PlainEV

Polestar 3 vs Porsche Cayenne Electric

· Real-world figures, not WLTP

Polestar 3
Photo: Alexander-93, CC BY-SA 4.0

Polestar 3

3 Rear Motor (MY26)

£76,540 · 273 mi

Wins 6 of 17

Porsche Cayenne Electric
Photo: Alexander Migl, CC BY-SA 4.0

Porsche Cayenne Electric

Cayenne Electric (MY26)

£83,200 · 326 mi

Wins 11 of 17

Our verdict

The Polestar 3 and Porsche Cayenne Electric are both electric SUVs in the executive car class. The Polestar 3 starts at £76,540 in the UK and the Porsche Cayenne Electric at £83,200, comparing the cheapest version of each.

The 3 is £6,660 cheaper to buy new (£76,540 against £83,200). On top of that, it uses less energy (3.1 mi/kWh against 3.0 mi/kWh).

The Cayenne Electric goes further, with about 326 miles of real-world range against 273 for the 3. On top of that, it charges faster on a rapid charger (290 kW against 170 kW on average, 10–80%), has the bigger boot (871 litres against 508) and is quicker, doing 0–62 mph in 4.8 s against 6.5 s.

There's little between them on warranty length (3 years).

Choose the Polestar 3 if you want the lower price and lower running costs and the Porsche Cayenne Electric if you want the longest range and quicker charging stops.

Written from the figures below, comparing the cheapest UK version of each. Other versions can differ: open them in Compare to swap versions.

Polestar 3Porsche Cayenne Electric

Price

Price new
£76,540 (best)on sale now
£83,200on sale now
Used from (estimated)
£43,600 (best)2025 car
£47,4002025 car
Price per mile of range
£280
£255 (best)

Range and efficiency

Real-world range
273 mi440 km, estimate
326 mi (best)525 km, estimate
Range today, used (estimated)
about 268 mi2025 car, est.
about 320 mi (best)2025 car, est.
Efficiency
3.1 mi/kWh (best)200 Wh/km, estimate
3.0 mi/kWh207 Wh/km, estimate
Range with one 15-min stop
323 mi520 km
413 mi (best)665 km

Charging

Rapid charging
170 kW10–80% average
290 kW (best)10–80% average
Home (AC) charging
11 kW
22 kW (best)
Charging plug
Type 2 CCS
Type 2 CCS
Vehicle-to-load (V2L)
Yes (best)
No
Vehicle-to-home (V2H)
Yes (best)
No
Vehicle-to-grid (V2G)
Yes (best)
No

Battery

Usable battery
88 kWh
108.7 kWh (best)
Battery chemistry
NCM (nickel manganese cobalt)
NCM (nickel manganese cobalt)
Heat pump
Yes
Yes

Body and performance

Body style
SUV
SUV
Size class
E · Executive car
E · Executive car
Seats
5
5
Drive
Rear-wheel drive
All-wheel drive
0–62 mph
6.5 s0–100 km/h
4.8 s (best)0–100 km/h
Weight
2,390 kg
2,600 kg

Size

Length
4.90 m16 ft 1 in
4.99 m16 ft 4 in
Width (without mirrors)
1.97 m6 ft 5 in
1.98 m6 ft 6 in
Width with mirrors
2.12 m6 ft 11 in
2.20 m7 ft 3 in
Height
1.62 m5 ft 4 in
1.67 m5 ft 6 in
Wheelbase
2.99 m9 ft 10 in
3.02 m9 ft 11 in

Practicality and safety

Boot space
508 litres
871 litres (best)
Towbar available
Yes
Yes
Towing (braked)
1,500 kg
3,000 kg (best)
Max payload
645 kgpeople and luggage
645 kgpeople and luggage
Euro NCAP rating
–not tested yet
5 stars

Warranty (UK)

Car warranty
3 years60,000 miles
3 years (best)unlimited miles
Battery warranty
8 years100,000 miles, 70% capacity
8 years100,000 miles, 70% capacity
Passes to next owner
Yes
Not confirmed

Availability

Status
On sale new
On sale new
Model years
2025 on
2025 on

Green marks the better figure in each row. Range is a real-world estimate, not WLTP. Used prices are estimates. Warranty terms are UK terms from each maker’s website.

Every version

Polestar 3

Porsche Cayenne Electric