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Audi Q4 e-tron (2021-2023) vs XPENG G6 (2025)
Selected trim35 e-tron · 2021-23Change trim221 mi · 55 kWh · £40,750
Selected trimStandard Range 66kWh · 2025Change trim270 mi · 66 kWh · £39,990
At a glance
In this comparison, Audi Q4 e-tron leads on running costs and city driving, while the XPENG G6 leads on value for money, motorway range and family practicality.
Which should you choose?
Choose the Audi Q4 e-tron (2021-2023) if...
- you want the lowest running costs - from just 2.1p per mile on off-peak electricity
- you drive in the city - it's compact with an excellent turning circle
Choose the XPENG G6 (2025) 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 have a family - it has the best combination of boot space, safety, and rear legroom
- you need the fastest charging of these options
How we reached the recommendation
Verdict
Our take
The XPENG G6 leads in the most categories, but each car here has its strengths.
ValueXPENG
Audi
5.1
XPENG
6.3
Motorway RangeXPENG
Audi
3.7
XPENG
5.3
FamilyXPENG
Audi
7.7
XPENG
8.3
ChargingXPENG
Audi
2
XPENG
8.3
Cost Per MileAudi
Audi
4.8
XPENG
2.4
City DrivingAudi
Audi
6
XPENG
3
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
XPENG G6
Standard Range 66kWh
- 50 miles more WLTP range
- 51 litres more boot space
- 115 kW faster rapid charging
- 65 kW more power
- 2.1s quicker 0-62 mph
Key specifications
Compare the key specifications for your selected trims.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| Price | £40,750 | £39,990 (better) |
| Official range | 221 miles | 270 miles (better) |
| Boot space | 520 L | 571 L (better) |
| 10-80% rapid charge | Not available | 12 min |
| 0-62 mph | 9 sec | 6.9 sec (better) |
Size Comparison
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Audi Q4 e-tron
XPENG G6
Length
Audi Q4 e-tron4,588mm-170mm
XPENG G64,758mm
Width
Audi Q4 e-tron1,865mm-55mm
XPENG G61,920mm
Height
Audi Q4 e-tron1,632mm-18mm
XPENG G61,650mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| Length | 4,588 mm | 4,758 mm |
| Width (mirrors folded) | 1,865 mm (better) | 1,920 mm |
| Width with mirrors out | 2,108 mm | Not available |
| Height | 1,632 mm | 1,650 mm |
| Turning circle | 10.2 m (better) | 11.6 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 535 mm spare (better) | 480 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 520 L | 571 L (better) |
| Boot space (seats down) | 1490 L (better) | 1374 L |
Full specifications
| Specification |  Audi Q4 e-tron 35 e-tron |  XPENG G6 Standard Range 66kWh |
|---|---|---|
| Dimensions | ||
| Length | 4.59m | 4.76m+170mm |
| Width | 1.86m | 1.92m+55mm |
| Width (mirrors) | 2.11m | Not available |
| Height | 1.63m | 1.65m+18mm |
| Wheelbase | 2.76m | 2.89m+126mm |
| Capacity | ||
| Boot (seats up) | 520L | 571L (better) |
| Boot (seats down) | 1490L (better) | 1374L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 10.2m (better) | 11.6m |
| Kerb Weight | Not available | 2,065kg |
| Electric | ||
| Battery | 55kWh | 66kWh (better) |
| Range (WLTP) | 221 mi | 270 mi (better) |
| Max DC Charge | 100kW | 215kW (better) |
| Pricing | ||
| UK MSRP | £40,750 | £39,990 (better) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2021–2023 | 2025–2025 |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| Official range (WLTP) | 221 miles | 270 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 184 miles | 193 miles (better) |
| 10-80% rapid charge time | Not available | 12 min |
| Max rapid charge rate | 100 kW | 215 kW (better) |
| Home AC charging | 7.2 kW | 11 kW (better) |
| Energy consumption | Not available | 175 Wh/km |
| Usable battery capacity | 52 kWh | 65.3 kWh (better) |
| Battery chemistry | NMC | LFP |
| Battery architecture | 400V | 800V (better) |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| 0-62 mph | 9 sec | 6.9 sec (better) |
| Power | 125 kW | 190 kW (better) |
| Torque | Not available | 440 Nm |
| Drivetrain | RWD | RWD |
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 Q4 e-tron 35 e-tron
Tested 2021
Adult Occupant93%
Child Occupant89%
Vulnerable Road Users66%
Safety Assist80%
Full result on euroncap.com (opens in new tab)
Euro NCAP - XPENG G6 Standard Range 66kWh
Tested 2024
Adult Occupant88%
Child Occupant85%
Vulnerable Road Users81%
Safety Assist75%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Audi Q4 e-tron35 e-tron | XPENG G6Standard Range 66kWh |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km | 160,934 km |
Buying options
Get a quote
Audi Q4 e-tron
Used on AutoTraderLease deals
XPENG G6
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Audi Q4 e-tron
- £19,0412023Car360View
- £18,3932023Car360View
XPENG G6
No active listings.
Frequently asked questions
Which is cheaper to own over 5 years, the Audi Q4 e-tron or the XPENG G6?
The XPENG G6 is £760 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 XPENG G6 comes out roughly £640 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 Q4 e-tron and XPENG G6 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 184 miles for the Audi Q4 e-tron and 193 miles for the XPENG G6 - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV.
Which is easier to park and drive in town, the Audi Q4 e-tron or the XPENG G6?
The Audi Q4 e-tron is the easier car for tight UK car parks: it is 55 mm narrower than the XPENG G6. In a standard 2,400 mm bay that leaves about 535 mm of total clearance for the Audi Q4 e-tron and about 480 mm of total clearance for the XPENG G6. The Audi Q4 e-tron also turns in a 1.4 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the Audi Q4 e-tron or the XPENG G6?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi Q4 e-tron and 90% for the XPENG G6. That gives the XPENG G6 a modest edge in retained real-world range. The XPENG G6's LFP-type pack tolerates daily 100% charging, while the Audi Q4 e-tron's NMC-type pack lasts longest kept to about 80% for everyday use. 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 Q4 e-tron comparisons
More XPENG G6 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 Q4 e-tron and XPENG G6 rank among the best family EVsWhere the Audi Q4 e-tron and XPENG G6 rank among the best electric SUVsWhere the Audi Q4 e-tron and XPENG G6 rank among the best motorway EVsWhere the Audi Q4 e-tron and XPENG G6 rank among the best city EVsWhere the Audi Q4 e-tron and XPENG G6 rank among the cheapest EVs to runWhere the Audi Q4 e-tron and XPENG G6 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 Q4 e-tron (2021 on): 35, 40, 45, 50 or 55, the Recall, Range & What to Check
A used Audi Q4 e-tron buyer’s guide: every version and battery explained, the 2021-2023 cars vs the 2024 update, the brake-software recall, warranty left, real-world range, what to pay, used vs new, and a printable checklist.
GuideBuying a Used XPENG G6 (2025 on): Original vs Updated, Warranty & What to Pay
A used XPENG G6 buyer’s guide: the original 66 kWh and 87.5 kWh cars vs the updated 2026 G6, battery warranty, a young brand and dealer network, real-world range, 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 .