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Audi S6 Sportback e-tron vs BMW i7 (2022-2026)
Selected trimStandard411 mi · 100 kWh · £93,125
Selected trimxDrive60 · 2022-26Change trim388 mi · 105.7 kWh · £110,545
At a glance
In this comparison, Audi S6 Sportback e-tron leads on value for money, motorway range and family practicality, while the BMW i7 stays competitive across the board.
Best value
Audi S6 Sportback e-tronRange & charging
Audi S6 Sportback e-tronPracticality
Audi S6 Sportback e-tronWhich should you choose?
Choose the Audi S6 Sportback e-tron if...
- you want the most for your money - best overall spec per pound
- you do long motorway journeys - it has the best estimated real-world range at speed
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
- you want the lowest running costs - from just 2.1p per mile on off-peak electricity
How we reached the recommendation
Verdict
Our take
The Audi S6 Sportback e-tron wins almost every category - it's the clear choice unless price is the deciding factor.
ValueAudi
Audi
6.1
BMW
3.8
Motorway RangeAudi
Audi
8.2
BMW
4.9
FamilyAudi
Audi
7.7
BMW
3.6
ChargingAudi
Audi
4.7
BMW
2.9
Cost Per MileAudi
Audi
5.5
BMW
2.9
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Audi S6 Sportback e-tron
Base
- £17,420 cheaper
- 75 kW faster rapid charging
- 13 min quicker 10-80% rapid charge
- 0.8s quicker 0-62 mph
- 0.8 m tighter turning circle
Key specifications
Compare the key specifications for your selected trims.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| Price | £93,125 (better) | £110,545 |
| Official range | 411 miles (better) | 388 miles |
| Boot space | 502 L (better) | 500 L |
| 10-80% rapid charge | 21 min (better) | 34 min |
| 0-62 mph | 3.9 sec (better) | 4.7 sec |
Size Comparison
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Audi S6 Sportback e-tron
BMW i7
Length
Audi S6 Sportback e-tron4,928mm-463mm
BMW i75,391mm
Width
Audi S6 Sportback e-tron1,923mm-27mm
BMW i71,950mm
Height
Audi S6 Sportback e-tron1,465mm-79mm
BMW i71,544mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| Length | 4,928 mm | 5,391 mm |
| Width (mirrors folded) | 1,923 mm (better) | 1,950 mm |
| Width with mirrors out | Not available | 2,192 mm |
| Height | 1,465 mm | 1,544 mm |
| Turning circle | 12.3 m (better) | 13.1 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 477 mm spare (better) | 450 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 502 L (better) | 500 L |
| Boot space (seats down) | 1330 L | Not available |
| Frunk | 27 L | Not available |
| Towing capacity (braked) | Not available | 0 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Audi S6 Sportback e-tron
- 411 mile WLTP range, longer than 85% of estate EVs we track.
- 2,951 mm wheelbase, longer than 85% of estate EVs we track.
BMW i7
- At 5,391 mm, longer than 95% of saloon EVs we track.
- 3,215 mm wheelbase, longer than 95% of saloon EVs we track.
Full specifications
| Specification |  Audi S6 Sportback e-tron Base |  BMW i7 xDrive60 |
|---|---|---|
| Dimensions | ||
| Length | 4.93m | 5.39m+463mm |
| Width | 1.92m | 1.95m+27mm |
| Width (mirrors) | Not available | 2.19m |
| Height | 1.47m | 1.54m+79mm |
| Wheelbase | 2.95m | 3.21m+264mm |
| Capacity | ||
| Boot (seats up) | 502L (better) | 500L |
| Boot (seats down) | 1330L | Not available |
| Frunk | 27L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 12.3m (better) | 13.1m |
| Kerb Weight | 2,400kg (better) | 2,715kg |
| Electric | ||
| Battery | 100kWh | 105.7kWh (better) |
| Range (WLTP) | 411 mi (better) | 388 mi |
| Max DC Charge | 270kW (better) | 195kW |
| Pricing | ||
| UK MSRP | £93,125 (better) | £110,545 |
| Details | ||
| Body Style | Estate | Saloon |
| Available | 2025+ | 2022–2026 |
* BMW i7: Not yet Euro NCAP tested as of 2026-05. Limited-production / halo / pre-launch / new-brand models are typically rated some time after general sale.
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| Official range (WLTP) | 411 miles (better) | 388 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 342 miles (better) | 323 miles |
| 10-80% rapid charge time | 21 min (better) | 34 min |
| Max rapid charge rate | 270 kW (better) | 195 kW |
| Home AC charging | 11 kW | 11 kW |
| Usable battery capacity | 100 kWh | 101.7 kWh (better) |
| Battery chemistry | NMC | NMC |
| Battery architecture | 800V | Not available |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| 0-62 mph | 3.9 sec (better) | 4.7 sec |
| Power | 404 kW (better) | 400 kW |
| Torque | 580 Nm | Not available |
| Drivetrain | AWD | 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.
Audi S6 Sportback e-tron
Base
No critic reviews gathered yet for this car.
BMW i7
xDrive60
Watch the reviews
Watch selected video reviews here, or visit each model page for the full collection.
Audi S6 Sportback e-tron
All 3 videos
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 - Audi S6 Sportback e-tron Base
Tested 2025
Adult Occupant92%
Child Occupant91%
Vulnerable Road Users75%
Safety Assist80%
Full result on euroncap.com (opens in new tab)
Euro NCAP - BMW i7 xDrive60
BMW i7 xDrive60
Not yet Euro NCAP tested as of 2026-05. Limited-production / halo / pre-launch / new-brand models are typically rated some time after general sale.
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Audi S6 Sportback e-tronBase | BMW i7xDrive60 |
|---|---|---|
| Battery warranty | Not available | 8 years |
| Battery warranty distance | Not available | 160,934 km |
Buying options
Get a quote
Audi S6 Sportback e-tron
Used on AutoTraderLease deals
BMW i7
Used on AutoTraderLease deals
Frequently asked questions
Is the BMW i7 worth the extra £17,420 over the Audi S6 Sportback e-tron?
The BMW i7 costs £17,420 more than the Audi S6 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 S6 Sportback e-tron is not just cheaper - it also offers 75 kW faster peak rapid charging and a 0.8s quicker 0-62mph time. On EVcarsguide's combined category scores, the Audi S6 Sportback e-tron comes out ahead overall.
Which is cheaper to own over 5 years, the Audi S6 Sportback e-tron or the BMW i7?
The Audi S6 Sportback e-tron is £17,420 cheaper to buy. Running costs are almost identical - about £168 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Audi S6 Sportback e-tron comes out roughly £17,500 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Audi S6 Sportback e-tron and BMW i7 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 342 miles for the Audi S6 Sportback e-tron and 323 miles for the BMW i7 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Audi S6 Sportback e-tron goes roughly 19 miles further between charging stops. A rapid charge to 80% takes around 21 minutes in the Audi S6 Sportback e-tron and 34 in the BMW i7, so the Audi S6 Sportback e-tron loses less time at each stop. That makes the Audi S6 Sportback e-tron the stronger long-distance car.
Which is easier to park and drive in town, the Audi S6 Sportback e-tron or the BMW i7?
The two are within 27 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 477 mm of total clearance for the Audi S6 Sportback e-tron and about 450 mm of total clearance for the BMW i7. The Audi S6 Sportback e-tron also turns in a 0.8 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the Audi S6 Sportback e-tron or the BMW i7?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi S6 Sportback e-tron and 84% for the BMW i7. 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.
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 Audi S6 Sportback e-tron comparisons
More BMW i7 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 Audi S6 Sportback e-tron and BMW i7 rank among the best family EVsWhere the Audi S6 Sportback e-tron and BMW i7 rank among long-range EVsWhere the Audi S6 Sportback e-tron and BMW i7 rank among the best motorway EVsWhere the Audi S6 Sportback e-tron and BMW i7 rank among the best city EVsWhere the Audi S6 Sportback e-tron and BMW i7 rank among the cheapest EVs to runWhere the Audi S6 Sportback e-tron and BMW i7 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.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .