In this comparison, Audi A6 Sportback e-tron leads on value for money, motorway range and running costs, while the Audi Q6 Sportback e-tron leads on charging speed.
Choose the Audi A6 Sportback e-tron if...
Choose the Audi Q6 Sportback e-tron if...
Our take
The Audi A6 Sportback 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 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| Price | £69,900 (better) | £71,475 |
| Official range | 463 miles (better) | 390 miles |
| Boot space | 502 L | 511 L (better) |
| 10-80% rapid charge | 21 min (better) | 22 min |
| 0-62 mph | 5.4 sec (better) | 5.9 sec |
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi A6 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| Length | 4,928 mm | 4,771 mm |
| Width (mirrors folded) | 1,882 mm (better) | 1,939 mm |
| Width with mirrors out | 2,137 mm (better) | 2,193 mm |
| Height | 1,487 mm | 1,665 mm |
| Turning circle | 12.3 m | 12.1 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 518 mm spare (better) | 461 mm spare |
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi A6 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 502 L | 511 L (better) |
| Boot space (seats down) | 1330 L | 1373 L (better) |
| Frunk | 27 L | Not available |
| Towing capacity (braked) | Not available | 2,000 kg |
Percentile ranks against UK EVs of the same body style.
Audi A6 Sportback e-tron
Not enough peers to make confident percentile claims.
Audi Q6 Sportback e-tron
| Specification | Audi A6 Sportback e-tron performance | Audi Q6 Sportback e-tron quattro |
|---|---|---|
| Dimensions | ||
| Length | 4.93m | 4.77m-157mm |
| Width | 1.88m | 1.94m+57mm |
| Width (mirrors) | 2.14m | 2.19m+56mm |
| Height | 1.49m | 1.67m+178mm |
| Wheelbase | 2.95m | 2.89m-57mm |
| Capacity | ||
| Boot (seats up) | 502L | 511L (better) |
| Boot (seats down) | 1330L | 1373L (better) |
| Frunk | 27L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 12.3m | 12.1m (better) |
| Kerb Weight | 2,250kg | 2,150kg (better) |
| Towing Capacity | Not available | 2,000kg |
| Electric | ||
| Battery | 100kWh | 100kWh |
| Range (WLTP) | 463 mi (better) | 390 mi |
| Max DC Charge | 270kW | 270kW |
| Pricing | ||
| UK MSRP | £69,900 (better) | £71,475 |
| Details | ||
| Body Style | Saloon | SUV |
| Available | 2024+ | 2025+ |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi A6 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| Official range (WLTP) | 463 miles (better) | 390 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 386 miles (better) | 325 miles |
| 10-80% rapid charge time | 21 min (better) | 22 min |
| Max rapid charge rate | 270 kW | 270 kW |
| Home AC charging | 11 kW | 11 kW |
| Usable battery capacity | 94.9 kWh | 94.9 kWh |
| Battery chemistry | NMC | NMC |
| Battery architecture | 800V | 800V |
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi A6 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| 0-62 mph | 5.4 sec (better) | 5.9 sec |
| Power | 280 kW | 285 kW (better) |
| Torque | 565 Nm (better) | 485 Nm |
| Drivetrain | RWD | AWD |
See how UK motoring publications rate each car in their road tests.

Audi A6 Sportback e-tron
performance

Audi Q6 Sportback e-tron
quattro
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 2024
Check the published battery warranty cover for each selected trim.
| Measure | Audi A6 Sportback e-tronperformance | Audi Q6 Sportback e-tronquattro |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 160,934 km |
Get a quote
Audi A6 Sportback e-tron
Audi Q6 Sportback e-tron
The Audi Q6 Sportback e-tron costs £1,575 more than the Audi A6 Sportback e-tron. On the headline specs that premium buys little measurable advantage - the two are closely matched on range, charging and space. The Audi A6 Sportback e-tron is not just cheaper - it also offers 73 miles more WLTP range. On EVcarsguide's combined category scores, the Audi A6 Sportback e-tron comes out ahead overall.
The Audi A6 Sportback e-tron is £1,575 cheaper to buy. The Audi A6 Sportback e-tron is cheaper to charge, roughly £144 a year versus £176 for the Audi Q6 Sportback e-tron, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Audi A6 Sportback e-tron comes out roughly £1,735 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 386 miles for the Audi A6 Sportback e-tron and 325 miles for the Audi Q6 Sportback e-tron - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Audi A6 Sportback e-tron goes roughly 61 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 21-22 minutes.
The Audi A6 Sportback e-tron is the easier car for tight UK car parks: it is 57 mm narrower than the Audi Q6 Sportback e-tron. In a standard 2,400 mm bay that leaves about 518 mm of total clearance for the Audi A6 Sportback e-tron and about 461 mm of total clearance for the Audi Q6 Sportback e-tron.
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi A6 Sportback e-tron and 84% for the Audi Q6 Sportback e-tron. 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. Both batteries carry a 8-year manufacturer warranty.
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
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Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .