In this comparison, Audi A6 Avant e-tron leads on motorway range, family practicality and running costs, while the Polestar 4 Coupé leads on charging speed.
Choose the Audi A6 Avant e-tron if...
Choose the Polestar 4 Coupé if...
Our take
The Audi A6 Avant e-tron leads in the most categories, but each car here has its strengths.
Too close to call
See the specification differences behind the verdict, with supporting figures for each advantage.
Compare the key specifications for your selected trims.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| Price | £71,700 | £56,750 (better) |
| Official range | 437 miles (better) | 385 miles |
| Boot space | 502 L | 526 L (better) |
| 10-80% rapid charge | 21 min | Not available |
| 0-62 mph | 4.5 sec | Not available |
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| Length | 4,928 mm | 4,840 mm |
| Width (mirrors folded) | 1,887 mm (better) | 2,008 mm |
| Width with mirrors out | 2,137 mm (better) | 2,139 mm |
| Height | 1,527 mm | 1,534 mm |
| Turning circle | 12.3 m | 11.6 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 513 mm spare (better) | 392 mm spare |
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 502 L | 526 L (better) |
| Boot space (seats down) | 1422 L | Not available |
| Frunk | 27 L | Not available |
| Specification | Audi A6 Avant e-tron performance | Polestar 4 Coupé Rear motor |
|---|---|---|
| Dimensions | ||
| Length | 4.93m | 4.84m-88mm |
| Width | 1.89m | 2.01m+121mm |
| Width (mirrors) | 2.14m | 2.14m+2mm |
| Height | 1.53m | 1.53m+7mm |
| Wheelbase | 2.95m | 3.00m+53mm |
| Ground Clearance | Not available | 166mm |
| Capacity | ||
| Boot (seats up) | 502L | 526L (better) |
| Boot (seats down) | 1422L | Not available |
| Frunk | 27L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 12.3m | 11.64m (better) |
| Kerb Weight | 2,260kg | 2,230kg (better) |
| Electric | ||
| Battery | 100kWh | 100kWh |
| Range (WLTP) | 437 mi (better) | 385 mi |
| Max DC Charge | 270kW (better) | 200kW |
| Pricing | ||
| UK MSRP | £71,700 | £56,750 (better) |
| Details | ||
| Body Style | Estate | Coupe SUV |
| Available | 2024+ | 2026+ |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| Official range (WLTP) | 437 miles (better) | 385 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 364 miles (better) | 321 miles |
| 10-80% rapid charge time | 21 min | Not available |
| Max rapid charge rate | 270 kW (better) | 200 kW |
| Home AC charging | 11 kW | 11 kW |
| Usable battery capacity | 94.9 kWh | 100 kWh (better) |
| Battery chemistry | NMC | Not available |
| Battery architecture | 800V | Not available |
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| 0-62 mph | 4.5 sec | Not available |
| Power | 280 kW (better) | 200 kW |
| Torque | 565 Nm | Not available |
| Drivetrain | RWD | RWD |
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.
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.
Tested 2025
Tested 2025
Check the published battery warranty cover for each selected trim.
| Measure | Audi A6 Avant e-tronperformance | Polestar 4 CoupéRear motor |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 160,934 km |
Get a quote
Audi A6 Avant e-tron
Polestar 4 Coupé
The Audi A6 Avant e-tron costs £14,950 more than the Polestar 4 Coupé. For that premium it adds 52 miles more WLTP range, 70 kW faster peak rapid charging and 80 kW more power. On EVcarsguide's combined category scores, the Audi A6 Avant e-tron comes out ahead overall.
The Polestar 4 Coupé is £14,950 cheaper to buy. Running costs are almost identical - about £152 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Polestar 4 Coupé comes out roughly £14,830 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
EVcarsguide estimates a real-world motorway range of about 364 miles for the Audi A6 Avant e-tron and 321 miles for the Polestar 4 Coupé - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Audi A6 Avant e-tron goes roughly 43 miles further between charging stops.
The Audi A6 Avant e-tron is the easier car for tight UK car parks: it is 121 mm narrower than the Polestar 4 Coupé. In a standard 2,400 mm bay that leaves about 513 mm of total clearance for the Audi A6 Avant e-tron and about 392 mm of total clearance for the Polestar 4 Coupé. The Polestar 4 Coupé also turns in a 0.7 m tighter circle, which helps with U-turns and multi-storey ramps.
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare similarly sized and priced electric cars before finalising your shortlist.
More Audi A6 Avant e-tron comparisons
More Polestar 4 Coupé comparisons
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
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Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .