Range is one of the most important factors when choosing an electric car. Whether you're worried about long journeys or just want maximum flexibility, here's everything you need to know about the longest-range EVs available in the UK.
The Longest-Range Electric Cars in the UK
Top 10 by Official Range (WLTP)
| Rank | Model | Official Range | Battery | Price From |
|---|---|---|---|---|
| 1 | Mercedes EQS 450+ | 453 miles | 118 kWh | £105,000 |
| 2 | BMW iX xDrive50 | 380 miles | 105 kWh | £85,000 |
| 3 | Mercedes EQE 350+ | 376 miles | 96 kWh | £75,000 |
| 4 | BMW i7 xDrive60 | 367 miles | 102 kWh | £110,000 |
| 5 | Tesla Model S | 405 miles | 100 kWh | £85,000 |
| 6 | Tesla Model 3 Long Range | 390 miles | 75 kWh | £50,000 |
| 7 | Hyundai Ioniq 6 Long Range | 338 miles | 77 kWh | £47,000 |
| 8 | Polestar 2 Long Range | 345 miles | 82 kWh | £50,000 |
| 9 | Ford Mustang Mach-E Extended | 372 miles | 91 kWh | £58,000 |
| 10 | Kia EV6 Long Range | 328 miles | 77 kWh | £48,000 |
Best Long-Range EVs by Price Category
Under £35,000:
| Model | Range | Battery | Price |
|---|---|---|---|
| MG4 Extended Range | 323 miles | 77 kWh | £34,000 |
| BYD Seal | 323 miles | 82 kWh | £33,000 |
| Hyundai Kona Electric | 305 miles | 65 kWh | £35,000 |
£35,000-£50,000:
| Model | Range | Battery | Price |
|---|---|---|---|
| Tesla Model 3 Long Range | 390 miles | 75 kWh | £50,000 |
| Hyundai Ioniq 6 | 338 miles | 77 kWh | £47,000 |
| Kia EV6 Long Range | 328 miles | 77 kWh | £48,000 |
£50,000-£80,000:
| Model | Range | Battery | Price |
|---|---|---|---|
| Mercedes EQE 350+ | 376 miles | 96 kWh | £75,000 |
| BMW iX xDrive40 | 324 miles | 71 kWh | £70,000 |
| Polestar 2 Long Range | 345 miles | 82 kWh | £50,000 |
£80,000+:
| Model | Range | Battery | Price |
|---|---|---|---|
| Mercedes EQS 450+ | 453 miles | 118 kWh | £105,000 |
| BMW iX xDrive50 | 380 miles | 105 kWh | £85,000 |
| Tesla Model S | 405 miles | 100 kWh | £85,000 |
Official Range vs Real-World Range
Important: WLTP (official) range figures are measured under ideal conditions. Real-world range is typically 10-20% lower, depending on:
| Factor | Impact on Range |
|---|---|
| Motorway driving | -20 to -30% |
| Cold weather | -10 to -25% |
| Heating/AC use | -5 to -15% |
| Hilly terrain | -5 to -15% |
| Aggressive driving | -10 to -20% |
| Heavy load/passengers | -5 to -10% |
Real-World Range Examples
| Model | Official Range | Real-World (Mixed) | Real-World (Motorway, Winter) |
|---|---|---|---|
| Mercedes EQS 450+ | 453 miles | 380-400 miles | 300-330 miles |
| Tesla Model 3 LR | 390 miles | 310-340 miles | 250-280 miles |
| MG4 Extended | 323 miles | 260-290 miles | 200-230 miles |
| Hyundai Ioniq 6 | 338 miles | 290-320 miles | 230-260 miles |
Rule of thumb: Expect 75-85% of official range in typical UK driving.
Most Efficient EVs (Range per kWh)
A big battery isn't everything — efficiency matters too. The most efficient EVs travel further per kWh:
| Model | Efficiency | Why It Matters |
|---|---|---|
| Hyundai Ioniq 6 | 4.4 mi/kWh | Aerodynamic design |
| Tesla Model 3 | 4.2 mi/kWh | Lightweight, efficient |
| Lucid Air | 4.3 mi/kWh | Advanced tech |
| BMW i4 | 3.9 mi/kWh | Good balance |
| Mercedes EQS | 3.8 mi/kWh | Luxury with efficiency |
Why efficiency matters:
Best Long-Range EVs by Use Case
Best for Motorway Miles
Tesla Model 3 Long Range
Best for Luxury Long Distance
Mercedes EQS 450+
Best Value Long Range
MG4 Extended Range
Best for Families
Kia EV6 or Hyundai Ioniq 5
Best for Company Car Drivers
Tesla Model 3 or BMW i4
How Much Range Do You Actually Need?
| Daily Driving | Recommended Range | Reasoning |
|---|---|---|
| Under 30 miles | 150+ miles | Weekly charging covers it |
| 30-60 miles | 200+ miles | Comfortable buffer |
| 60-100 miles | 250+ miles | Charge every 2-3 days |
| 100+ miles | 300+ miles | Maximum flexibility |
| Regular long trips | 350+ miles | Fewer charging stops |
Key insight: 95% of UK drivers cover under 50 miles daily. A 250-mile range EV handles this with charging twice a week.
For long trips: Even a 200-mile car works well — one 20-minute rapid charge adds 100+ miles.
What Affects EV Range?
Battery Size
Bigger battery = more range, but also:
Aerodynamics
The Hyundai Ioniq 6 gets 338 miles from 77kWh because its teardrop shape cuts through air efficiently. Boxy SUVs need bigger batteries for the same range.
Weight
Lighter cars travel further per kWh. The Tesla Model 3 is efficient partly because it's relatively light for its battery size.
Driving Style
Smooth acceleration and anticipating braking (maximising regeneration) can improve range by 10-15%.
Temperature
Batteries work best at 20-25°C. Cold weather reduces range because:
Tip: Precondition your car while plugged in — this warms the battery and cabin using grid power, preserving range.
Charging Long-Range EVs
More range means less frequent charging, but:
Bigger Batteries Take Longer to Charge
| Battery Size | Time to Charge 20-80% (7kW) | Time to Charge 20-80% (150kW) |
|---|---|---|
| 50 kWh | ~4 hours | ~18 mins |
| 75 kWh | ~6 hours | ~25 mins |
| 100 kWh | ~8 hours | ~35 mins |
800V Architecture
Some newer EVs (Hyundai Ioniq 5/6, Kia EV6, Porsche Taycan) use 800V systems that charge faster:
Our Recommendations
Best Overall Long Range
Tesla Model 3 Long Range — 390 miles, efficient, excellent Supercharger network, strong value at £50,000.
Best Affordable Long Range
MG4 Extended Range — 323 miles for £34,000 is unbeatable value.
Best Luxury Long Range
Mercedes EQS 450+ — 453 miles in supreme comfort. If budget allows, nothing beats it for range.
Best Long Range for Families
Kia EV6 Long Range — 328 miles, practical, ultra-fast charging, 7-year warranty.
Best Efficiency
Hyundai Ioniq 6 — Gets the most miles from each kWh, meaning lower running costs and shorter charging stops.
Summary
| Need | Recommendation |
|---|---|
| Maximum range at any cost | Mercedes EQS 450+ (453 mi) |
| Best range for the money | MG4 Extended (323 mi, £34k) |
| Range + performance | Tesla Model 3 LR (390 mi) |
| Range + practicality | Kia EV6 LR (328 mi) |
| Range + efficiency | Hyundai Ioniq 6 (338 mi) |
For most UK drivers, 250-350 miles of real-world range is more than enough. Focus on efficiency, charging speed, and overall value rather than chasing maximum range figures.