If range anxiety is the one thing holding you back from an electric car, the good news is the longest-range models on sale in 2026 can genuinely cover the length of Great Britain on a single charge, at least on paper.
Overview:
- The Mercedes EQS 450+ leads the market at 542 miles WLTP, the longest official range of any car on sale in the UK.
- Real-world range can often sit around 70 to 75 percent of the headline WLTP figure in cold UK winter weather or at sustained 70mph motorway speeds, sometimes both together.
- Rapid charging has genuinely caught up with range. Several cars on this list add over 180 miles of range in 15 minutes or less.
- Most UK journeys fall well under 200 miles, meaning even a mid-range EV rarely needs charging more than once a week with home charging available.
- A bigger battery isn't automatically the right choice. It costs more, weighs more and often charges more slowly than a smaller, more efficient alternative.
What Does "Range" Actually Mean for an Electric Car?
Every range figure quoted for a new car comes from the WLTP test, a standardised laboratory cycle used across the industry specifically so different cars can be compared on equal terms. It's a genuinely useful number for comparison, not a reliable prediction though of what you'll actually get on a real motorway journey.
Sustained speeds around 70mph increase aerodynamic drag sharply compared to the test cycle's average pace, typically cutting real-world range by 20 to 30 percent versus the official figure.
Cold wet British winters reduce it further still, often leaving somewhere between 75 and 85 percent of the WLTP figure once heating, colder battery chemistry and winter road conditions are factored in.
Longest Range Electric Cars 2026 at a Glance
| Car | Battery size | WLTP range | Realistic motorway range |
|---|---|---|---|
| Mercedes EQS 450+ | 108kWh | 542 miles | Around 280 miles |
| BMW iX3 50 xDrive | Around 108kWh | 500 miles | Around 350 miles |
| Mercedes CLA 250+ | 85kWh | 483 miles | Around 350 to 400 miles |
| Audi A6 E-tron Performance | 100kWh | 471 miles | Around 390 miles |
| Tesla Model 3 Long Range RWD | 79kWh | 466 miles | Around 360 miles |
| Mercedes EQE 400 4Matic | 96kWh | 443 miles | Around 320 miles |
| MG IM5 | Around 100kWh | 441 miles | Around 320 miles |
| Volkswagen ID.7 | 86kWh | 441 miles | Around 325 miles |
| Volvo ES90 | 102kWh | 435 miles | Around 320 miles |
| Volvo EX60 | Around 106kWh | Over 500 miles claimed | Not yet independently confirmed |
| Polestar 2 Long Range | 78kWh | 406 miles | Around 240 to 270 miles |
| BMW i4 eDrive40 | 81kWh | 365 miles | Around 316 miles |
| Kia EV6 | 84kWh | 361 miles | Around 280 miles |
| Hyundai Ioniq 5 Long Range RWD | 84kWh | 338 miles | Around 270 to 280 miles |
| Hyundai Ioniq 6 RWD | 77.4kWh | 338 miles | Around 250 to 280 miles |
Here are the 15 cars going furthest between charges, what that actually means once you factor in motorway speeds and cold weather, and how fast you can top up when you need to.
1. Mercedes EQS 450+ (542 miles)
The EQS holds the outright UK record for official range, its distinctive, deliberately slippery shape designed specifically to cut through the air with minimal resistance. That aerodynamic focus is a huge part of why 542 miles is achievable at all from a 108kWh battery. Charging is genuinely fast too, reaching 10 to 80 percent in around 31 minutes on a 200kW DC connection, enough to add roughly 186 miles in just 15 minutes.
Why It Stands Out
- The longest official range of any car currently on sale in the UK
- Effortless motorway refinement and a genuinely comfortable ride
- Fast enough charging to make long trips practical, not just theoretical
What to Know Before Buying
- Real-world motorway range drops noticeably below the headline WLTP figure
- Rear seat comfort has been criticised compared to a Mercedes S-Class
- Tesla's charging network remains more extensive than Mercedes' own
2. BMW iX3 50 xDrive (500 miles)
The first car built on BMW's new Neue Klasse platform, the iX3 pairs a genuinely low-drag design with a 400kW maximum DC charging rate, among the fastest of any car on this list. That combination of strong range and genuinely rapid charging makes it a serious rival to the EQS for anyone covering high annual mileage.
Why It Stands Out
- One of the fastest charging rates available, up to 400kW
- Genuinely competitive range from a more accessible SUV body style
- New platform brings meaningfully improved efficiency over the outgoing iX3
What to Know Before Buying
- As a genuinely new platform, long-term reliability data is still limited
- SUV shape means slightly more aerodynamic drag than the saloon-style cars above it
- Full UK pricing and trim details were still being finalised at launch
3. Mercedes CLA 250+ (483 miles)
The CLA brings EQS-rivalling efficiency to a considerably smaller, more affordable saloon body. Its 320kW DC charging rate is genuinely among the fastest on this list, meaningfully quicker than the EQS despite the CLA's lower list price.
Why It Stands Out
- Genuinely strong real-world range retention relative to its WLTP figure
- Faster peak charging rate than the more expensive EQS
- A meaningfully lower price point than most of the cars above it on this list
What to Know Before Buying
- Smaller body means less rear space than the larger saloons on this list
- A newer nameplate with less of a track record than the established EQS
- Real-world range still trails the EQS and iX3 in absolute terms
4. Audi A6 E-tron Performance (471 miles)
Built on Audi's dedicated Premium Platform Electric architecture, the A6 e-tron pairs genuine driving appeal with a useful hatchback boot and rapid 270kW charging, reaching 10 to 80 percent in around 21 minutes.
Why It Stands Out
- A genuinely practical hatchback boot rather than a compromised saloon opening
- Strong, consistent real-world range retention versus its WLTP figure
- Particularly appealing for company car and high-mileage commuting use
What to Know Before Buying
- Sits at a premium price point reflecting Audi's positioning
- Less outright range than the EQS or iX3 above it
- Audi's own charging network is less extensive than Tesla's
5. Tesla Model 3 Long Range RWD (466 miles)
The Model 3 remains one of the most efficient cars on this entire list, consistently outperforming rivals with similarly sized batteries in independent range testing. Its access to Tesla's own Supercharger network remains a genuine practical advantage for long-distance UK driving specifically.
Why It Stands Out
- Among the most efficient cars on this list, stretching every kWh further
- Access to Tesla's extensive, reliable Supercharger network
- A genuinely competitive price relative to its official range
What to Know Before Buying
- Interior controls are unusually minimal, taking some adjustment
- Handling doesn't quite match the sharpest petrol rivals in this class
- Thick windscreen pillars have been criticised for hampering visibility
6. Mercedes EQE 400 4Matic (443 miles)
A slightly smaller sibling to the EQS, the EQE trades a little outright range for a lower price while keeping genuinely rapid 330kW charging, adding around 186 miles of range in just 10 minutes.
Why It Stands Out
- Very fast charging, among the quickest top-up times on this list
- A more accessible price than the flagship EQS
- Shares much of the EQS's refinement and comfort
What to Know Before Buying
- Rear visibility has been criticised in independent reviews
- Back seat comfort suffers on genuinely long journeys
- Less outright range than the EQS above it
7. MG IM5 (441 miles)
A genuinely surprising entry from a brand once associated purely with budget models, the IM5 demonstrates how far MG has moved upmarket. Strong performance and fast charging back up its genuinely competitive range figure.
Why It Stands Out
- Genuinely competitive range from a brand with historically lower prices
- Strong performance alongside efficient real-world range retention
- A distinctive alternative to the more commonly seen premium badges above it
What to Know Before Buying
- A newer nameplate with less established reputation than rivals
- UK charging and servicing network still developing compared to established brands
- Resale value patterns are less predictable given its recent launch
8. Volkswagen ID.7 (441 miles)
VW's flagship electric saloon balances genuine family practicality with efficient enough motorway range to make long trips comfortable. A standard heat pump, helping preserve range in cold weather, is a genuine advantage many rivals still charge extra for.
Why It Stands Out
- A standard heat pump included, helping protect range in cold UK winters
- Genuinely spacious enough to work as a proper family car
- Recognised as a leading large family electric car by independent reviewers
What to Know Before Buying
- Not the outright range leader on this list
- VW's software and infotainment history has drawn criticism on earlier models
- Charging speed trails the fastest cars on this list
9. Volvo ES90 (435 miles)
Volvo's flagship electric saloon combines a large 102kWh battery with standard air suspension, delivering both genuine range and the comfortable ride quality expected of the brand.
Why It Stands Out
- Standard air suspension for genuinely comfortable long-distance driving
- Hatchback practicality in a saloon-styled body
- Volvo's strong reputation for safety carried through to its electric range
What to Know Before Buying
- A newer model with limited long-term ownership data so far
- Sits at a premium price point
- Less outright range than the cars at the top of this list
10. Volvo EX60 (Over 500 miles claimed)
If you specifically want the longest-range SUV available, the EX60 is currently the strongest claim on the market, pairing Volvo's XC60 practicality with a genuinely large battery and fast 400kW charging for rapid top-ups.
Why It Stands Out
- The longest claimed range currently available in SUV form
- Familiar, practical XC60-style body in fully electric form
- Fast 400kW charging capability for rapid top-ups on longer trips
What to Know Before Buying
- Range figures are still being independently confirmed rather than fully verified
- As a genuinely new model, limited real-world ownership data exists yet
- Full UK pricing and trim availability were still being confirmed at the time of writing
11. Polestar 2 Long Range (406 miles)
Following a 2024 refresh, the Long Range Single Motor version gained a larger 78kWh battery, lifting its official range considerably to 406 miles. Independent real-world testing has shown a noticeably wider gap between official and actual range on this car than most rivals here though, with figures closer to 240 to 270 miles reported depending on conditions and whether the optional heat pump is fitted.
Why It Stands Out
- A genuinely significant range increase following its 2024 refresh
- Distinctive Scandinavian design and a genuinely minimalist interior
- Google's own software built directly into the infotainment system
What to Know Before Buying
- Real-world range has tested notably below its official WLTP figure
- The heat pump improving cold weather range isn't standard on every trim
- Handling has been described as less engaging than some rivals on this list
12. BMW i4 eDrive40 (365 miles)
The eDrive40 pairs an 81kWh battery with rear-wheel drive specifically to maximise range over outright performance, officially reaching 365 miles WLTP. Independent real-world testing recorded a genuinely strong 316 miles in mixed driving, a smaller gap to the official figure than several rivals on this list manage.
Why It Stands Out
- A genuinely small gap between official and real-world tested range
- BMW's typically strong build quality and driving refinement
- A high-quality interior with a genuinely capable infotainment system
What to Know Before Buying
- Less outright range than the premium cars higher up this list
- The sportier M50 variant sacrifices considerable range for performance
- BMW's charging network is less extensive than Tesla's own
13. Kia EV6 (361 miles)
Built on the same E-GMP platform underpinning the Hyundai Ioniq 5, the EV6's larger 84kWh battery delivers 361 miles WLTP alongside genuinely fast 233kW charging, reaching 10 to 80 percent in around 18 minutes.
Why It Stands Out
- Among the fastest charging speeds relative to its price on this list
- A transferable warranty that carries genuine value for used buyers
- Distinctive styling that stands apart from more conventional rivals
What to Know Before Buying
- Less outright range than the premium saloons higher up this list
- Real-world range sits noticeably below the official WLTP figure
- Boot space is modest compared to some rivals of a similar size
14. Hyundai Ioniq 5 Long Range RWD (338 miles)
Built on Hyundai's 800 volt E-GMP platform, the Ioniq 5 combines a distinctive retro-futuristic design with 338 miles of official range and genuinely rapid charging, among the fastest on the used EV market.
Why It Stands Out
- Genuinely fast 800 volt charging architecture
- A distinctive, boxy design that stands apart from typical EV styling
- Vehicle-to-load functionality, letting the car power external devices directly
What to Know Before Buying
- Less outright range than the cars higher up this list
- Real-world range typically sits notably below the official figure
- The distinctive styling won't appeal to every buyer
15. Hyundai Ioniq 6 RWD (338 miles)
Sharing its underpinnings with the Ioniq 5 but wrapped in a genuinely aerodynamic saloon body, the Ioniq 6 matches its sibling's 338 mile official range while returning stronger real-world efficiency thanks to its more slippery shape. A standard heat pump across the range helps protect range in cold UK winters too.
Why It Stands Out
- A standard heat pump included on every trim, unlike several rivals here
- Genuinely strong real-world efficiency thanks to its aerodynamic shape
- The same fast 800 volt charging architecture as the Ioniq 5
What to Know Before Buying
- Rear visibility has been criticised due to the sloping roofline
- Less outright range than the premium cars higher up this list
- Boot access is less practical than a conventional hatchback opening
My Picks: Which One Is Actually Best?
Every driver's priorities differ, so here's how the shortlist breaks down by genuine need rather than range alone.
- Best overall: BMW iX3 50 xDrive, combining huge range with genuine SUV practicality and among the fastest charging on this list.
- Best value: Mercedes CLA 250+, offering 483 miles for meaningfully less money than the flagship EQS above it.
- Best for motorway driving: Tesla Model 3 Long Range RWD, thanks to genuinely strong efficiency and access to Tesla's own Supercharger network.
- Best family SUV: Volvo EX60, pairing genuine XC60 practicality with the longest claimed SUV range currently available.
- Best luxury: Mercedes EQS 450+, the outright range leader with genuinely effortless motorway refinement.
- Best for fast charging: Hyundai Ioniq 6, built on an 800 volt platform capable of a 10 to 80 percent charge in under 20 minutes, among the quickest top-up times of any EV currently on sale.
Long Range EVs by Budget
Electric Cars Under £20,000
This bracket has changed considerably in the past two years. £20,000 now genuinely buys a used Tesla Model 3 with around 250 miles of usable real-world range, an early Hyundai Ioniq 5 with 800 volt ultra-fast charging or a nearly-new MG4 Long Range Trophy returning 240 to 260 real-world miles from 150kW peak charging.
Electric Cars From £20,000 to £30,000
This is where the used market genuinely opens up. Later higher-specification examples of the Tesla Model 3, Hyundai Ioniq 5, Ioniq 6 and Kia EV6 all become realistic options here, typically with lower mileage and more warranty remaining than the cheapest examples below £20,000.
Electric Cars From £30,000 to £40,000
Nearly-new examples of the Tesla Model 3 Long Range become realistic in this bracket, alongside used BMW i4 and Polestar 2 Long Range models, both genuinely competitive on efficiency and real-world range retention.
Electric Cars From £40,000 and Above
Cars in this bracket are typically newer or nearly-new, meaning genuine manufacturer warranty remains largely intact and battery health rarely needs questioning, the price point where the longest genuine ranges and fastest charging speeds on the current market both live together, a fair trade for buyers unwilling to compromise on either.
Can I Drive From London to the Furthest UK Cities on One Charge?
On paper, several cars on this list technically could. London to Edinburgh is roughly 405 miles, London to Inverness around 570 miles, both well within the Mercedes EQS's 542 mile WLTP figure for the shorter route. In practice though, sustained motorway speeds mean real-world range sits closer to 280 to 400 miles depending on the car.
Most journeys to Scotland's furthest cities genuinely need at least one rapid charging stop, even in the longest-range car here.
The practical answer for most UK drivers is reassuring rather than restrictive. London to Manchester (around 200 miles) or London to Cardiff (around 150 miles) sit comfortably within a single charge for every car here, even after the real-world motorway drop.
How Long Does It Take to Charge on the Motorway, and What Does It Cost?
Modern rapid and ultra-rapid chargers have narrowed the gap between an EV top-up and a traditional fuel stop considerably. Several cars on this list add 150 to 190 miles of range in just 10 to 15 minutes on a sufficiently powerful charger, roughly the time it takes to grab a coffee at a service station.
Public rapid and ultra-rapid charging costs considerably more than charging at home though, typically around 79p per kWh compared to roughly 25p at home on a standard tariff, or as little as 9p on a dedicated off-peak EV tariff.
The UK's charging network has grown considerably to support this. Over 86,000 public charge points now operate nationwide including more than 9,290 ultra-rapid chargers rated 150kW or above, a figure that grew over 50 percent in 2025 alone. 350kW charging is increasingly becoming the standard at major motorway service stations specifically.
How Often Will I Actually Need to Charge?
Less often than range anxiety typically suggests. The majority of UK journeys fall well under 200 miles, meaning a car doing 250 to 300 miles of real-world range on home charging alone often only needs a full top-up around once a week for typical daily use.
Regular long-distance driving over 200 miles is where charging speed starts to matter more than outright range since planning journeys around 250 mile legs with a 20 minute rapid charging stop tends to prove more reliable in practice than stretching a single charge to its absolute limit.
Is the Longest Range Car Always the Best Choice?
Not necessarily. A larger battery costs more to buy, adds genuine weight that can blunt handling and efficiency and sometimes charges more slowly than a smaller, better optimised alternative. The Mercedes CLA on this list proves the point directly, charging faster than the longer-range EQS despite its smaller battery and lower price.
If your typical driving rarely exceeds 60 to 80 miles a day and home charging is available, a genuinely shorter-range, more affordable EV can make more practical sense than paying a premium for range you'll rarely use.
Common Myths About EV Range
"The official WLTP figure is what you'll actually get." Rarely, especially at motorway speeds. Real-world range typically sits 20 to 30 percent below the WLTP figure once sustained higher speeds are factored in.
"Range drops in a straight line as the battery ages." Genuine degradation data shows a slower, more gradual pattern than most buyers expect, with most batteries retaining well above 80 percent capacity for well over 100,000 miles in normal use.
"A bigger battery is always the better choice." Not if your typical driving rarely needs it. A smaller, more efficient battery can charge faster and cost considerably less while still comfortably covering most UK journeys.
How Can Car Planet Help With Your Electrifying Journey?
Choosing between range, charging speed and price can feel genuinely overwhelming given how quickly this market moves. Every electric car we sell comes with clear documentation covering battery health, genuine range expectations and charging specifics. You're comparing real, verified information rather than headline figures alone.
Whether you're covering genuine long-distance motorway miles regularly or mostly driving locally with occasional longer trips, we can help match the right range and charging setup to how you actually drive, not just the biggest number on the spec sheet.
Frequently Asked Questions
Which electric car has the longest range?
The Mercedes EQS 450+ currently holds the outright UK record, with an official WLTP range of 542 miles.
Is there a 600 mile range electric car?
Not yet on sale in the UK. The EQS's 542 miles remains the current record, though the upcoming BMW i3 Neue Klasse has been reported with an early WLTP target of up to 559 miles when it launches.
Which electric car has the best long range?
Best depends on what you value alongside the number itself. The EQS leads on pure range, while the BMW iX3 and Mercedes CLA arguably offer a better overall package once genuinely fast charging is factored in too.
Which EV has 800 km range?
800km converts to roughly 497 miles. Both the Mercedes EQS and BMW iX3 comfortably exceed this on their official WLTP figures.
What EVs should I stay away from?
Rather than naming specific models, the genuinely useful checks are the same regardless of badge. Verify battery health directly, confirm remaining warranty and stay cautious of any brand-new platform without an established track record yet, since real-world reliability data simply takes longer to build than a headline spec sheet does.
Do electric cars depreciate quickly?
They fell sharply through 2023 and 2024 as supply grew and used prices corrected, though values have largely stabilised since. Which specific model and brand you choose now matters more to resale value than simply being electric.
How much does cold weather actually reduce EV range?
Typically leaving somewhere between 75 and 85 percent of the official WLTP figure, once cabin heating, colder battery chemistry and winter road conditions are all factored in together.
Does fast charging damage a car's range over time?
Frequent rapid charging can accelerate long-term battery degradation compared to mostly charging at home on a slower connection, though modern battery management systems are specifically designed to limit this impact.
Is 300 miles of range enough for most UK drivers?
Yes, comfortably since the majority of UK journeys fall well under 200 miles, leaving genuine headroom even before accounting for the real-world reduction from the official WLTP figure.
Do plug-in hybrids have genuine long-range electric driving?
No, not in the same sense as the cars on this list. A PHEV's electric-only range typically covers 25 to 44 miles before the petrol engine takes over, genuinely useful for short trips but nowhere near comparable to a full electric car's range.
Conclusion
The headline range figure is only ever the starting point. The Mercedes EQS leads on paper at 542 miles. Real-world motorway driving, cold weather and charging habits all shape what a car actually delivers day to day far more than the number on the spec sheet alone though.
A car further down this list with genuinely fast charging, like the BMW iX3 or Mercedes CLA, can suit a high-mileage driver better than the outright range leader, while most typical UK journeys sit comfortably within reach of every car covered here regardless of where it ranks.
Checking real-world range, genuine charging speed and battery health properly before buying remains the one step that turns a spec sheet into an honest picture of what you're actually getting.
Browse our full range of used electric and hybrid cars at Car Planet, with genuine range and battery health details clearly listed on every vehicle we sell.
