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Mercedes-Benz EQS (2021-2025) vs Polestar 4
Selected trim450+ · 2021-25Change trim453 mi · 115 kWh · £99,995
Selected trimLong range Single motor · 2024-26Change trim391 mi · 100 kWh · £59,990
At a glance
In this comparison, Mercedes-Benz EQS leads on motorway range, family practicality and running costs, while the Polestar 4 leads on charging speed.
Which should you choose?
Choose the Mercedes-Benz EQS (2021-2025) if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you have a family - it has the best combination of boot space, safety, and rear legroom
- you want the lowest running costs - from just 2.2p per mile on off-peak electricity
Choose the Polestar 4 if...
- you need the fastest charging of these options
How we reached the recommendation
Verdict
Our take
The Mercedes-Benz EQS leads in the most categories, but each car here has its strengths.
Value
Mercedes-Benz
6.3
Polestar
6
Too close to call
Motorway RangeMercedes-Benz
Mercedes-Benz
7.6
Polestar
4.9
FamilyMercedes-Benz
Mercedes-Benz
8.1
Polestar
7.6
ChargingPolestar
Mercedes-Benz
3.5
Polestar
5.8
Cost Per MileMercedes-Benz
Mercedes-Benz
4.4
Polestar
2.1
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Mercedes-Benz EQS
450+
- 62 miles more WLTP range
- 80 litres more boot space
- 45 kW more power
- 0.7 m tighter turning circle
- 2 more years of battery warranty
Key specifications
Compare the key specifications for your selected trims.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Price | £99,995 | £59,990 (better) |
| Official range | 453 miles (better) | 391 miles |
| Boot space | 610 L (better) | 530 L |
| 10-80% rapid charge | 31 min | 30 min (better) |
| 0-62 mph | 6.2 sec | 6.2 sec |
Size Comparison
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Mercedes-Benz EQS
Polestar 4
Length
Mercedes-Benz EQS5,216mm
Polestar 44,840mm-376mm
Width
Mercedes-Benz EQS1,926mm-82mm
Polestar 42,008mm
Height
Mercedes-Benz EQS1,512mm-44mm
Polestar 41,556mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Length | 5,216 mm | 4,840 mm |
| Width (mirrors folded) | 1,926 mm (better) | 2,008 mm |
| Width with mirrors out | 2,135 mm (better) | 2,139 mm |
| Height | 1,512 mm | 1,556 mm |
| Turning circle | 10.9 m (better) | 11.6 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 474 mm spare (better) | 392 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | 2 | 2 |
| Boot space (seats up) | 610 L (better) | 530 L |
| Boot space (seats down) | 1770 L (better) | 1665 L |
| Frunk | Not available | 15 L |
| Towing capacity (braked) | 750 kg | 1,500 kg (better) |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Mercedes-Benz EQS
- 3rd-largest boot among saloon EVs in our catalogue at 610 L.
- 453 mile WLTP range, longer than 85% of saloon EVs we track.
- At 5,216 mm, longer than 90% of saloon EVs we track.
Polestar 4
- 391 mile WLTP range, longer than 95% of SUVs we track.
- At 4,840 mm, longer than 80% of SUVs we track.
- 2,999 mm wheelbase, longer than 90% of SUVs we track.
Full specifications
| Specification |  Mercedes-Benz EQS 450+ |  Polestar 4 Long range Single motor |
|---|---|---|
| Dimensions | ||
| Length | 5.22m | 4.84m-376mm |
| Width | 1.93m | 2.01m+82mm |
| Width (mirrors) | 2.13m | 2.14m+4mm |
| Height | 1.51m | 1.56m+44mm |
| Wheelbase | 3.21m | 3.00m-211mm |
| Ground Clearance | 143mm | 166mm+23mm |
| Capacity | ||
| Boot (seats up) | 610L (better) | 530L |
| Boot (seats down) | 1770L (better) | 1665L |
| Frunk | Not available | 15L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 10.9m (better) | 11.64m |
| Kerb Weight | 2,480kg | 2,265kg (better) |
| Towing Capacity | 750kg | 1,500kg (better) |
| Electric | ||
| Battery | 115kWh (better) | 100kWh |
| Range (WLTP) | 453 mi (better) | 391 mi |
| Max DC Charge | 200kW | 200kW |
| Pricing | ||
| UK MSRP | £99,995 | £59,990 (better) |
| Details | ||
| Body Style | Saloon | suv |
| Available | 2021–2025 | 2024–2026 |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Official range (WLTP) | 453 miles (better) | 391 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 378 miles (better) | 277 miles |
| 10-80% rapid charge time | 31 min | 30 min (better) |
| Max rapid charge rate | 200 kW | 200 kW |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | Not available | 178 Wh/km |
| Usable battery capacity | 107.8 kWh (better) | 100 kWh |
| Battery chemistry | NMC | NMC |
| Battery architecture | 400V | 400V |
| Heat pump | Not standard | Standard (better) |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| 0-62 mph | 6.2 sec | 6.2 sec |
| Power | 245 kW (better) | 200 kW |
| Torque | 568 Nm (better) | 343 Nm |
| Drivetrain | RWD | RWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
Mercedes-Benz EQS
450+
Polestar 4
Long range Single motor
Watch the reviews
Watch selected video reviews here, or visit each model page for the full collection.
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 | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Used market price from | £40,645 | £32,498 |
| Average used price | £42,800 | £33,990 |
| Active used listings trackedIndependent UK dealer listings seen in the last 90 days. | 6 listings | 9 listings (better) |
| Recent used-price trend | Broadly flat | Broadly flat |
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 - Mercedes-Benz EQS 450+
Tested 2021
Adult Occupant96%
Child Occupant91%
Vulnerable Road Users76%
Safety Assist80%
Euro NCAP - Polestar 4 Long range Single motor
Tested 2025
Adult Occupant92%
Child Occupant85%
Vulnerable Road Users81%
Safety Assist79%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Mercedes-Benz EQS450+ | Polestar 4Long range Single motor |
|---|---|---|
| Battery warranty | 10 years (better) | 8 years |
| Battery warranty distance | 250,000 km (better) | 160,934 km |
What owners say
Aggregated from UK owner forums and communities - the things you only learn after living with the car.
Shared watch-outs for both cars
Owners of every car here flag infotainment & software. Worth checking on a test drive whichever you choose.
Mercedes-Benz EQS
450+
Owners love
- Owners report 400 to 450 miles in mild weather and a range estimate they can trust.
- The powertrain is almost silent, even at motorway speeds.
- Rear-wheel steering gives it a turning circle far tighter than its size suggests.
Watch out for
- The menus are deep and confusing, and face recognition and voice control often fail.
- Cabin quality disappoints at the price: air vents, door cards and the dashboard feel flimsy.
- 200 kW peak charging is slower than rivals; 10-80% takes about 31 minutes.
Owner tips
- Ask for a battery health report before buying, and how the car was charged.
- Check what the battery warranty covers for that car: owners say Mercedes changed its terms in 2024.
Polestar 4
Long range Single motor
Owners love
- Owners praise the build quality and the interior materials, a big step up from the Polestar 2.
- The rear seats are spacious and recline, and the glass roof gives the cabin a light, limousine-like feel.
- Real-world range is good for the class, with owners reporting around 250 miles on cold, wet motorway runs and more in mild weather.
Watch out for
- Early cars had many software bugs: the head-up display failing to start, temperamental haptic steering wheel buttons (some replaced), key and profile recognition, CarPlay drop-outs and glitchy driver aids.
- Some find the ride firm and fidgety on British roads, with body roll in corners, especially on the Dual motor.
- The lack of a rear window takes getting used to and rules out a normal rear dash cam.
Owner tips
- Make sure the latest software is installed; a full software reset at the dealer fixed many early gremlins.
- Test drive it to see whether you can live with the camera mirror and the ride, and try the Single motor if comfort matters most.
Buying options
Get a quote
Mercedes-Benz EQS
Used on AutoTraderLease deals
Polestar 4
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Mercedes-Benz EQS
- £40,9902022Cars2View
Polestar 4
- £33,6992024Car360View
- £33,7002025EV ExpertsView
Frequently asked questions
Is the Mercedes-Benz EQS worth the extra £40,005 over the Polestar 4?
The Mercedes-Benz EQS costs £40,005 more than the Polestar 4. For that premium it adds 62 miles more WLTP range, 80 litres more boot space and 45 kW more power. On EVcarsguide's combined category scores, the Mercedes-Benz EQS comes out ahead overall.
Which is cheaper to own over 5 years, the Mercedes-Benz EQS or the Polestar 4?
The Polestar 4 is £40,005 cheaper to buy. Running costs are almost identical - about £176 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Polestar 4 comes out roughly £39,925 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Mercedes-Benz EQS and Polestar 4 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 378 miles for the Mercedes-Benz EQS and 277 miles for the Polestar 4 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Mercedes-Benz EQS goes roughly 101 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 30-31 minutes.
Which is easier to park and drive in town, the Mercedes-Benz EQS or the Polestar 4?
The Mercedes-Benz EQS is the easier car for tight UK car parks: it is 82 mm narrower than the Polestar 4. In a standard 2,400 mm bay that leaves about 474 mm of total clearance for the Mercedes-Benz EQS and about 392 mm of total clearance for the Polestar 4. The Mercedes-Benz EQS also turns in a 0.7 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the Mercedes-Benz EQS or the Polestar 4?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Mercedes-Benz EQS and 84% for the Polestar 4. That is close enough that capacity loss should not decide between them. Both use NMC-type cells, so for daily use keep the charge limit near 80% to slow degradation. The Mercedes-Benz EQS has the longer battery warranty at 10 years, versus 8 for the Polestar 4.
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 Mercedes-Benz EQS 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 Mercedes-Benz EQS and Polestar 4 rank among the best family EVsWhere the Mercedes-Benz EQS and Polestar 4 rank among long-range EVsWhere the Mercedes-Benz EQS and Polestar 4 rank among the best motorway EVsWhere the Mercedes-Benz EQS and Polestar 4 rank among the best city EVsWhere the Mercedes-Benz EQS and Polestar 4 rank among the cheapest EVs to runWhere the Mercedes-Benz EQS and Polestar 4 rank among EVs with the biggest boots
If neither is quite right
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Further reading
Explore buying and ownership guides to help you choose between these electric cars.
GuideBuying a Used Mercedes EQS or EQS SUV (2021 on): Versions, Recalls, Real Range & What to Pay
A used Mercedes EQS buyer’s guide: the 450+ and AMG EQS 53 saloons and the EQS SUV, the 2024 battery update, software recalls, the 10-year battery warranty, real-world range, what to pay and a printable checklist.
GuideBuying a Used Polestar 4 (2024 on): Single vs Dual Motor, Warranty & What to Pay
A used Polestar 4 buyer’s guide: Single and Dual motor, the no-rear-window design, the short car warranty, huge depreciation, real-world range, what owners report, what to pay and a printable checklist.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .