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Polestar 4 Coupé vs Porsche Cayenne
Selected trimRear motorChange trim385 mi · 100 kWh · £56,750
Selected trimElectricChange trim358 mi · 113 kWh · £83,200
At a glance
In this comparison, Polestar 4 Coupé leads on motorway range and running costs, while the Porsche Cayenne leads on family practicality.
Which should you choose?
Choose the Polestar 4 Coupé 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
Choose the Porsche Cayenne if...
- you have a family - it has the best combination of boot space, safety, and rear legroom
How we reached the recommendation
Verdict
Our take
The Polestar 4 Coupé edges ahead overall, but it's close - check which categories matter most to you.
Value
Polestar
6.2
Porsche
5.8
Too close to call
Motorway RangePolestar
Polestar
6.3
Porsche
4.9
FamilyPorsche
Polestar
6.4
Porsche
9.3
Charging
Polestar
8.2
Porsche
8.5
Too close to call
Cost Per MilePolestar
Polestar
3.8
Porsche
0.3
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Key specifications
Compare the key specifications for your selected trims.
| Measure | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| Price | £56,750 (better) | £83,200 |
| Official range | 385 miles (better) | 358 miles |
| Boot space | 526 L | 781 L (better) |
| 0-62 mph | Not available | 4.7 sec |
Size Comparison
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Polestar 4 Coupé
Porsche Cayenne
Length
Polestar 4 Coupé4,840mm-145mm
Porsche Cayenne4,985mm
Width
Polestar 4 Coupé2,008mm
Porsche Cayenne1,980mm-28mm
Height
Polestar 4 Coupé1,534mm-140mm
Porsche Cayenne1,674mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| Length | 4,840 mm | 4,985 mm |
| Width (mirrors folded) | 2,008 mm | 1,980 mm (better) |
| Width with mirrors out | 2,139 mm (better) | 2,199 mm |
| Height | 1,534 mm | 1,674 mm |
| Turning circle | 11.6 m (better) | 12.7 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 392 mm spare | 420 mm spare (better) |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | Not available | 4 |
| Boot space (seats up) | 526 L | 781 L (better) |
| Boot space (seats down) | Not available | 1588 L |
| Frunk | Not available | 90 L |
| Towing capacity (braked) | Not available | 2,500 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Polestar 4 Coupé
Not enough peers to make confident percentile claims.
Porsche Cayenne
- A 90 L frunk, one of 11 of 232 UK EVs in our catalogue with a front boot of 90 L or more.
- 358 mile WLTP range, longer than 80% of SUVs we track.
- At 4,985 mm, longer than 90% of SUVs we track.
Full specifications
| Specification |  Polestar 4 Coupé Rear motor |  Porsche Cayenne Electric |
|---|---|---|
| Dimensions | ||
| Length | 4.84m | 4.99m+145mm |
| Width | 2.01m | 1.98m-28mm |
| Width (mirrors) | 2.14m | 2.20m+60mm |
| Height | 1.53m | 1.67m+140mm |
| Wheelbase | 3.00m | 3.02m+24mm |
| Ground Clearance | 166mm | Not available |
| Capacity | ||
| Boot (seats up) | 526L | 781L (better) |
| Boot (seats down) | Not available | 1588L |
| Frunk | Not available | 90L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 11.64m (better) | 12.7m |
| Kerb Weight | 2,230kg (better) | 2,512kg |
| Towing Capacity | Not available | 2,500kg |
| Electric | ||
| Battery | 100kWh | 113kWh (better) |
| Range (WLTP) | 385 mi (better) | 358 mi |
| Max DC Charge | 200kW | 390kW (better) |
| Pricing | ||
| UK MSRP | £56,750 (better) | £83,200 |
| Details | ||
| Body Style | Coupe SUV | SUV |
| Available | 2026+ | 2025+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| Official range (WLTP) | 385 miles (better) | 358 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 321 miles (better) | 234 miles |
| Max rapid charge rate | 200 kW | 390 kW (better) |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | Not available | 221 Wh/km |
| Usable battery capacity | 100 kWh | 100 kWh |
| Battery chemistry | Not available | NMC |
| Battery architecture | Not available | 800V |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| 0-62 mph | Not available | 4.7 sec |
| Power | 200 kW | 325 kW (better) |
| Torque | Not available | 835 Nm |
| 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.
Polestar 4 Coupé
Rear motor
No critic reviews gathered yet for this car.
Porsche Cayenne
Electric
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
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 - Polestar 4 Coupé Rear motor
Tested 2025
Adult Occupant92%
Child Occupant85%
Vulnerable Road Users81%
Safety Assist79%
Full result on euroncap.com (opens in new tab)
Euro NCAP - Porsche Cayenne Electric
Tested 2025
Adult Occupant91%
Child Occupant89%
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 | Polestar 4 CoupéRear motor | Porsche CayenneElectric |
|---|---|---|
| Battery warranty | 8 years | Not available |
| Battery warranty distance | 160,934 km | Not available |
Buying options
Get a quote
Polestar 4 Coupé
Used on AutoTraderLease deals
Porsche Cayenne
Used on AutoTraderLease deals
Frequently asked questions
Is the Porsche Cayenne worth the extra £26,450 over the Polestar 4 Coupé?
The Porsche Cayenne costs £26,450 more than the Polestar 4 Coupé. For that premium it adds 190 kW faster peak rapid charging, 255 litres more boot space and 125 kW more power. The Polestar 4 Coupé is not just cheaper - it also offers 27 miles more WLTP range. On EVcarsguide's combined category scores, the Polestar 4 Coupé comes out ahead overall.
Which is cheaper to own over 5 years, the Polestar 4 Coupé or the Porsche Cayenne?
The Polestar 4 Coupé is £26,450 cheaper to buy. The Polestar 4 Coupé is cheaper to charge, roughly £176 a year versus £240 for the Porsche Cayenne, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Polestar 4 Coupé comes out roughly £26,770 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Polestar 4 Coupé and Porsche Cayenne like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 321 miles for the Polestar 4 Coupé and 234 miles for the Porsche Cayenne - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Polestar 4 Coupé goes roughly 87 miles further between charging stops.
Which is easier to park and drive in town, the Polestar 4 Coupé or the Porsche Cayenne?
The two are within 28 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 420 mm of total clearance for the Porsche Cayenne and about 392 mm of total clearance for the Polestar 4 Coupé. The Polestar 4 Coupé also turns in a 1.1 m tighter circle, which helps with U-turns and multi-storey ramps.
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 Polestar 4 Coupé comparisons
More Porsche Cayenne 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 Polestar 4 Coupé and Porsche Cayenne rank among the best family EVsWhere the Polestar 4 Coupé and Porsche Cayenne rank among long-range EVsWhere the Polestar 4 Coupé and Porsche Cayenne rank among the best motorway EVsWhere the Polestar 4 Coupé and Porsche Cayenne rank among the best city EVsWhere the Polestar 4 Coupé and Porsche Cayenne rank among the cheapest EVs to runWhere the Polestar 4 Coupé and Porsche Cayenne rank among EVs with the biggest boots
If neither is quite right
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .