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MG4 EV vs Polestar 2 (2020-2023)
Selected trimPremium Long RangeChange trim280 mi · 64 kWh · £29,995
Selected trimLong range Dual motor 78 kWh · 2020-23Change trim303 mi · 78 kWh · Not available
At a glance
In this comparison, MG MG4 EV leads on value for money, family practicality and charging speed, while the Polestar 2 leads on motorway range and running costs.
Which should you choose?
Choose the MG4 EV if...
- you want the most for your money - best overall spec per pound
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
- you need the best car for city driving and tight parking
Choose the Polestar 2 (2020-2023) if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you want the lowest running costs - from just 2.2p per mile on off-peak electricity
How we reached the recommendation
Verdict
Our take
The MG MG4 EV leads in the most categories, but each car here has its strengths.
ValueMG
MG
7.2
Polestar
0
Motorway RangePolestar
MG
3.5
Polestar
4.4
FamilyMG
MG
7.4
Polestar
5.8
ChargingMG
MG
7.4
Polestar
3.5
Cost Per MilePolestar
MG
2.3
Polestar
4.2
City DrivingMG
MG
6.7
Polestar
4.3
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Polestar 2
Long range Dual motor 78 kWh
- 160 kW more power
- 2.8s quicker 0-62 mph
- 1000 kg more towing capacity
Key specifications
Compare the key specifications for your selected trims.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Price | £29,995 | Not available |
| Official range | 280 miles | 303 miles (better) |
| Boot space | 388 L | 405 L (better) |
| 10-80% rapid charge | 25 min (better) | 28 min |
| 0-62 mph | 7.5 sec | 4.7 sec (better) |
Size Comparison
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MG4 EV
Polestar 2
Length
MG4 EV4,287mm-319mm
Polestar 24,606mm
Width
MG4 EV1,836mm-23mm
Polestar 21,859mm
Height
MG4 EV1,516mm
Polestar 21,479mm-37mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Length | 4,287 mm | 4,606 mm |
| Width (mirrors folded) | 1,836 mm (better) | 1,859 mm |
| Width with mirrors out | 2,060 mm | 1,985 mm (better) |
| Height | 1,516 mm | 1,479 mm |
| Turning circle | 10.5 m (better) | 11.5 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 564 mm spare (better) | 541 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | 2 | 2 |
| Boot space (seats up) | 388 L | 405 L (better) |
| Boot space (seats down) | 1164 L (better) | 1097 L |
| Frunk | 0 L | 35 L (better) |
| Towing capacity (braked) | 500 kg | 1,500 kg (better) |
How each stacks up
Percentile ranks against UK EVs of the same body style.
MG4 EV
- 280 mile WLTP range, longer than 90% of hatchback EVs we track.
- Peak DC charging of 154 kW, faster than 95% of hatchback EVs in our catalogue.
- One of 33 of 233 UK EVs in our catalogue with V2L (vehicle-to-load) support.
Polestar 2
Not enough peers to make confident percentile claims.
Full specifications
| Specification |  MG4 EV Premium Long Range |  Polestar 2 Long range Dual motor 78 kWh |
|---|---|---|
| Dimensions | ||
| Length | 4.29m | 4.61m+319mm |
| Width | 1.84m | 1.86m+23mm |
| Width (mirrors) | 2.06m | 1.99m-75mm |
| Height | 1.52m | 1.48m-37mm |
| Wheelbase | 2.71m | 2.73m+30mm |
| Ground Clearance | Not available | 151mm |
| Capacity | ||
| Boot (seats up) | 388L | 405L (better) |
| Boot (seats down) | 1164L (better) | 1097L |
| Frunk | Not available | 35L (better) |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 10.5m (better) | 11.5m |
| Kerb Weight | 1,765kg | Not available |
| Towing Capacity | 500kg | 1,500kg (better) |
| Electric | ||
| Battery | 64kWh | 78kWh (better) |
| Range (WLTP) | 280 mi | 303 mi (better) |
| Max DC Charge | 154kW (better) | 150kW |
| Pricing | ||
| UK MSRP | £29,995 | Not available |
| Details | ||
| Body Style | Hatchback | Saloon |
| Available | 2026+ | 2020–2023 |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Official range (WLTP) | 280 miles | 303 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 181 miles | 253 miles (better) |
| 10-80% rapid charge time | 25 min (better) | 28 min |
| Max rapid charge rate | 154 kW (better) | 150 kW |
| Home AC charging | 7 kW | 11 kW (better) |
| Energy consumption | 176 Wh/km | Not available |
| Usable battery capacity | 61.7 kWh | 75 kWh (better) |
| Battery chemistry | LFP | NMC |
| Battery architecture | 400V | 400V |
| Heat pump | Not standard | Not available |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| 0-62 mph | 7.5 sec | 4.7 sec (better) |
| Power | 140 kW | 300 kW (better) |
| Torque | 350 Nm | 660 Nm (better) |
| Drivetrain | RWD | AWD |
What the critics say
See how UK motoring publications rate each car in their road tests. One car has more review coverage than the other - we show that rather than guessing.
MG4 EV
Premium Long Range
Polestar 2
Long range Dual motor 78 kWh
No critic reviews gathered yet for this car.
Reviews and videos discuss each model overall; the specifications above apply to your selected trims.
Prices & deals
New and used prices
Current pricing and recent used-market behaviour.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Used market price from | £20,992 | £17,500 |
| Average used price | £21,792 | £21,000 |
| Active used listings trackedIndependent UK dealer listings seen in the last 90 days. | 15 listings | 46 listings (better) |
| Recent used-price trend | Down 22.1% over ~6 months | Down 1.8% over ~6 months |
Used prices are indicative figures gathered from independent UK dealer listings and change frequently.
Calculate your real costs
For a useful running-cost comparison, factor in your mileage, charging access and current petrol or diesel car alongside the EV estimate.
Compare with petrol or diesel
Compare purchase price, energy, road tax and maintenance with a petrol or diesel alternative.
Calculate company-car tax
Work out monthly Benefit-in-Kind using current and future HMRC rates.
Cost per mile
Compare EV charging costs per mile with petrol and diesel using your charging options.
Check a lease quote
Assess the effective monthly cost alongside the list price and expected depreciation.
Safety & ownership confidence
Euro NCAP - MG MG4 EV Premium Long Range
Tested 2022
Adult Occupant83%
Child Occupant80%
Vulnerable Road Users75%
Safety Assist78%
Full result on euroncap.com (opens in new tab)
Euro NCAP - Polestar 2 Long range Dual motor 78 kWh
Tested 2021
Adult Occupant93%
Child Occupant89%
Vulnerable Road Users80%
Safety Assist83%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | MG4 EVPremium Long Range | Polestar 2Long range Dual motor 78 kWh |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 160,934 km |
Buying options
Get a quote
MG4 EV
Used on AutoTraderLease deals
Polestar 2
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
MG4 EV
- £18,4992026Car360View
- £21,9902026Cars2View
- £24,4902026Cars2View
Polestar 2
- £22,1002020EV ExpertsView
Frequently asked questions
What are the MG MG4 EV and Polestar 2 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 181 miles for the MG MG4 EV and 253 miles for the Polestar 2 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Polestar 2 goes roughly 71 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 25-28 minutes.
Which is easier to park and drive in town, the MG MG4 EV or the Polestar 2?
The two are within 23 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 564 mm of total clearance for the MG MG4 EV and about 541 mm of total clearance for the Polestar 2. The MG MG4 EV also turns in a 1.0 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the MG MG4 EV or the Polestar 2?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 90% battery health for the MG MG4 EV and 84% for the Polestar 2. That gives the MG MG4 EV a modest edge in retained real-world range. The MG MG4 EV's LFP-type pack tolerates daily 100% charging, while the Polestar 2's NMC-type pack lasts longest kept to about 80% for everyday use. Both batteries carry a 8-year manufacturer warranty.
Go deeper on each car
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare against other rivals
Compare similarly sized and priced electric cars before finalising your shortlist.
More MG MG4 EV comparisons
More Polestar 2 comparisons
See both cars in our rankings
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
Where the MG MG4 EV and Polestar 2 rank among the best family EVsWhere the MG MG4 EV and Polestar 2 rank among the best motorway EVsWhere the MG MG4 EV and Polestar 2 rank among the best city EVsWhere the MG MG4 EV and Polestar 2 rank among the cheapest EVs to runWhere the MG MG4 EV and Polestar 2 rank among EVs with the biggest bootsWhere the MG MG4 EV and Polestar 2 rank among Best Used Electric Cars Under £10,000 (UK)
Further reading
Explore buying and ownership guides to help you choose between these electric cars.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .