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Audi Q8 e-tron vs BMW iX (2021-2025)
Selected trim50 quattro · 2023-25Change trim281 mi · 95 kWh · £67,800
Selected trimxDrive40 · 2021-25Change trim257 mi · 76.6 kWh · £69,905
At a glance
In this comparison, Audi Q8 e-tron leads on value for money, while the BMW iX stays competitive across the board.
Which should you choose?
Choose the Audi Q8 e-tron if...
- you want the most for your money - best overall spec per pound
How we reached the recommendation
Verdict
Our take
The Audi Q8 e-tron edges ahead overall, but it's close - check which categories matter most to you.
ValueAudi
Audi
4.8
BMW
4.1
Motorway Range
Audi
3
BMW
3
Too close to call
Family
Audi
7.8
BMW
7.8
Too close to call
Charging
Audi
4
BMW
3.7
Too close to call
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 | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Price | £67,800 (better) | £69,905 |
| Official range | 281 miles (better) | 257 miles |
| Boot space | 569 L (better) | 500 L |
| 10-80% rapid charge | 31 min (better) | 35 min |
| 0-62 mph | 5.6 sec | 4.6 sec (better) |
Size Comparison
View:
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Audi Q8 e-tron
BMW iX
Length
Audi Q8 e-tron4,915mm-50mm
BMW iX4,965mm
Width
Audi Q8 e-tron1,937mm-33mm
BMW iX1,970mm
Height
Audi Q8 e-tron1,633mm-62mm
BMW iX1,695mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Length | 4,915 mm | 4,965 mm |
| Width (mirrors folded) | 1,937 mm (better) | 1,970 mm |
| Width with mirrors out | 2,189 mm | Not available |
| Height | 1,633 mm | 1,695 mm |
| Turning circle | 12.2 m (better) | 12.8 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 463 mm spare (better) | 430 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | 2 | Not available |
| Boot space (seats up) | 569 L (better) | 500 L |
| Boot space (seats down) | 1637 L | 1750 L (better) |
| Towing capacity (braked) | 1,800 kg | 2,500 kg (better) |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Audi Q8 e-tron
- At 4,915 mm, longer than 90% of SUVs we track.
- Boot space of 569 L is bigger than 85% of SUVs we track.
BMW iX
- At 4,965 mm, longer than 90% of SUVs we track.
- Braked towing capacity of 2,500 kg, a stronger tow rating than 90% of SUVs we track.
- 3,000 mm wheelbase, longer than 90% of SUVs we track.
Full specifications
| Specification |  Audi Q8 e-tron 50 quattro |  BMW iX xDrive40 |
|---|---|---|
| Dimensions | ||
| Length | 4.92m | 4.96m+50mm |
| Width | 1.94m | 1.97m+33mm |
| Width (mirrors) | 2.19m | Not available |
| Height | 1.63m | 1.70m+62mm |
| Wheelbase | 2.93m | 3.00m+72mm |
| Ground Clearance | 172mm | Not available |
| Capacity | ||
| Boot (seats up) | 569L (better) | 500L |
| Boot (seats down) | 1637L | 1750L (better) |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 12.2m (better) | 12.8m |
| Kerb Weight | 2,595kg | Not available |
| Towing Capacity | 1,800kg | 2,500kg (better) |
| Electric | ||
| Battery | 95kWh (better) | 76.6kWh |
| Range (WLTP) | 281 mi (better) | 257 mi |
| Max DC Charge | 150kW | 150kW |
| Pricing | ||
| UK MSRP | £67,800 (better) | £69,905 |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2023–2025 | 2021–2025 |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Official range (WLTP) | 281 miles (better) | 257 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 234 miles (better) | 214 miles |
| 10-80% rapid charge time | 31 min (better) | 35 min |
| Max rapid charge rate | 150 kW | 150 kW |
| Home AC charging | 11 kW | 11 kW |
| Usable battery capacity | 89 kWh (better) | 71 kWh |
| Battery chemistry | NMC | NMC |
| Battery architecture | 400V | Not available |
| Heat pump | Standard | Not available |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| 0-62 mph | 5.6 sec | 4.6 sec (better) |
| Power | 250 kW (better) | 240 kW |
| Torque | 664 Nm | 765 Nm (better) |
| Drivetrain | AWD | AWD |
Prices & deals
New and used prices
Current pricing and recent used-market behaviour.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Used market price from | £26,718 | £26,350 |
| Average used price | £35,973 | £28,990 |
| Active used listings trackedIndependent UK dealer listings seen in the last 90 days. | 22 listings (better) | 15 listings |
| Recent used-price trend | Broadly flat | Up 20% over ~6 months |
Used prices are indicative figures gathered from independent UK dealer listings and change frequently.
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 Q8 e-tron 50 quattro
Tested 2019
Adult Occupant91%
Child Occupant85%
Vulnerable Road Users71%
Safety Assist76%
Euro NCAP - BMW iX xDrive40
Tested 2025
Adult Occupant91%
Child Occupant87%
Vulnerable Road Users73%
Safety Assist81%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Audi Q8 e-tron50 quattro | BMW iXxDrive40 |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,000 km | 160,934 km (better) |
Buying options
Get a quote
Audi Q8 e-tron
Used on AutoTraderLease deals
BMW iX
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Audi Q8 e-tron
- £43,2992023Car360View
- £26,7182023Car360View
- £26,7462023Car360View
BMW iX
- £31,6302021Car360View
- £26,3502022Anchor CarsView
Frequently asked questions
Is the BMW iX worth the extra £2,105 over the Audi Q8 e-tron?
The BMW iX costs £2,105 more than the Audi Q8 e-tron. For that premium it adds a 1.0s quicker 0-62mph time. The Audi Q8 e-tron is not just cheaper - it also offers 69 litres more boot space. On EVcarsguide's combined category scores, the Audi Q8 e-tron comes out ahead overall.
Which is cheaper to own over 5 years, the Audi Q8 e-tron or the BMW iX?
The Audi Q8 e-tron is £2,105 cheaper to buy. The BMW iX is cheaper to charge, roughly £200 a year versus £232 for the Audi Q8 e-tron, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Audi Q8 e-tron comes out roughly £1,945 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 Q8 e-tron and BMW iX like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 234 miles for the Audi Q8 e-tron and 214 miles for the BMW iX - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Audi Q8 e-tron goes roughly 20 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 31-35 minutes.
Which is easier to park and drive in town, the Audi Q8 e-tron or the BMW iX?
The Audi Q8 e-tron is the easier car for tight UK car parks: it is 33 mm narrower than the BMW iX. In a standard 2,400 mm bay that leaves about 463 mm of total clearance for the Audi Q8 e-tron and about 430 mm of total clearance for the BMW iX. The Audi Q8 e-tron also turns in a 0.6 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the Audi Q8 e-tron or the BMW iX?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi Q8 e-tron and 84% for the BMW iX. 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.
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 Q8 e-tron comparisons
More BMW iX 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 Q8 e-tron and BMW iX rank among the best family EVsWhere the Audi Q8 e-tron and BMW iX rank among the best electric SUVsWhere the Audi Q8 e-tron and BMW iX rank among the best motorway EVsWhere the Audi Q8 e-tron and BMW iX rank among the best city EVsWhere the Audi Q8 e-tron and BMW iX rank among the cheapest EVs to runWhere the Audi Q8 e-tron and BMW iX 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.
Further reading
Explore buying and ownership guides to help you choose between these electric cars.
GuideBuying a Used Audi Q8 e-tron (2023-2025): 50 vs 55, Recalls & What to Pay
A used Audi Q8 e-tron and Q8 Sportback e-tron buyer’s guide: 50 vs 55 quattro, how to tell it from the older e-tron, the brake-servo recall, battery warranty left, real-world range, what to pay and a printable checklist.
GuideBuying a Used BMW iX (2021 on): xDrive40 vs xDrive50, Recalls, Insurance & What to Pay
A used BMW iX buyer’s guide: xDrive40, xDrive50 and M60 against the 2025 xDrive45 and xDrive60, the range gap, battery and airbag recalls, insurance, battery warranty left, what owners report, what to pay and a printable checklist.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .