Loading comparison
Kia EV6 vs XPENG G6
Selected trimAir361 mi · 84 kWh · £45,635
Selected trimStandard RangeChange trim292 mi · 68.5 kWh · £39,990
At a glance
In this comparison, Kia EV6 leads on motorway range and running costs, while the XPENG G6 leads on family practicality and charging speed.
Which should you choose?
Choose the Kia EV6 if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you want the lowest running costs - from just 2p per mile on off-peak electricity
Choose the XPENG G6 if...
- 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 Kia EV6 edges ahead overall, but it's close - check which categories matter most to you.
Value
Kia
6.7
XPENG
6.6
Too close to call
Motorway RangeKia
Kia
8.2
XPENG
5.3
FamilyXPENG
Kia
7.2
XPENG
8.3
ChargingXPENG
Kia
8.4
XPENG
8.9
Cost Per MileKia
Kia
6.6
XPENG
2.4
City Driving
Kia
3.4
XPENG
3
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.
Size Comparison
View:
Align by:
Kia EV6
XPENG G6
Length
Kia EV64,695mm-63mm
XPENG G64,758mm
Width
Kia EV61,890mm-30mm
XPENG G61,920mm
Height
Kia EV61,550mm-100mm
XPENG G61,650mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Kia EV6Air | XPENG G6Standard Range |
|---|---|---|
| Length | 4,695 mm | 4,758 mm |
| Width (mirrors folded) | 1,890 mm (better) | 1,920 mm |
| Width with mirrors out | 2,141 mm | Not available |
| Height | 1,550 mm | 1,650 mm |
| Turning circle | 11.6 m | 11.6 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 510 mm spare (better) | 480 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
How each stacks up
Percentile ranks against UK EVs of the same body style.
Kia EV6
- 361 mile WLTP range, longer than 80% of SUVs we track.
- Peak DC charging of 258 kW, faster than 85% of SUVs in our catalogue.
XPENG G6
- Peak DC charging of 382 kW, faster than 95% of SUVs in our catalogue.
- Boot space of 571 L is bigger than 85% of SUVs we track.
Full specifications
| Specification |  Kia EV6 Air |  XPENG G6 Standard Range |
|---|---|---|
| Dimensions | ||
| Length | 4.70m | 4.76m+63mm |
| Width | 1.89m | 1.92m+30mm |
| Width (mirrors) | 2.14m | Not available |
| Height | 1.55m | 1.65m+100mm |
| Wheelbase | 2.90m | 2.89m-10mm |
| Capacity | ||
| Boot (seats up) | 490L | 571L (better) |
| Boot (seats down) | 1300L | 1374L (better) |
| Frunk | 52L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 11.6m | 11.6m |
| Kerb Weight | 2,055kg (better) | 2,065kg |
| Towing Capacity | 1,800kg | Not available |
| Electric | ||
| Battery | 84kWh (better) | 68.5kWh |
| Range (WLTP) | 361 mi (better) | 292 mi |
| Max DC Charge | 258kW | 382kW (better) |
| Pricing | ||
| UK MSRP | £45,635 | £39,990 (better) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2024+ | 2026+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Kia EV6Air | XPENG G6Standard Range |
|---|---|---|
| Official range (WLTP) | 361 miles (better) | 292 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 301 miles (better) | 193 miles |
| 10-80% rapid charge time | 18 min | 12 min (better) |
| Max rapid charge rate | 258 kW | 382 kW (better) |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | Not available | 175 Wh/km |
| Usable battery capacity | 84 kWh (better) | 68.5 kWh |
| Battery chemistry | NCMA | LFP |
| Battery architecture | 800V | 800V |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
What the critics say
See how UK motoring publications rate each car in their road tests.
Kia EV6
Air
XPENG G6
Standard Range
Watch the reviews
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.
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.
Safety & ownership confidence
Euro NCAP - Kia EV6 Air
Tested 2025
Adult Occupant90%
Child Occupant86%
Vulnerable Road Users64%
Safety Assist87%
Full result on euroncap.com (opens in new tab)
Euro NCAP - XPENG G6 Standard Range
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.
Buying options
Get a quote
Kia EV6
Used on AutoTraderLease deals
XPENG G6
Used on AutoTraderLease deals
Frequently asked questions
Is the Kia EV6 worth the extra £5,645 over the XPENG G6?
The Kia EV6 costs £5,645 more than the XPENG G6. For that premium it adds 69 miles more WLTP range. The XPENG G6 is not just cheaper - it also offers 124 kW faster peak rapid charging, 81 litres more boot space and 50 kW more power. On EVcarsguide's combined category scores, the Kia EV6 comes out ahead overall.
Which is cheaper to own over 5 years, the Kia EV6 or the XPENG G6?
The XPENG G6 is £5,645 cheaper to buy. The Kia EV6 is cheaper to charge, roughly £160 a year versus £192 for the XPENG G6, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the XPENG G6 comes out roughly £5,485 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Kia EV6 and XPENG G6 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 301 miles for the Kia EV6 and 193 miles for the XPENG G6 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Kia EV6 goes roughly 108 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 12-18 minutes.
Which is easier to park and drive in town, the Kia EV6 or the XPENG G6?
The Kia EV6 is the easier car for tight UK car parks: it is 30 mm narrower than the XPENG G6. In a standard 2,400 mm bay that leaves about 510 mm of total clearance for the Kia EV6 and about 480 mm of total clearance for the XPENG G6.
Which battery will hold up better as a used buy, the Kia EV6 or the XPENG G6?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 89% battery health for the Kia EV6 and 90% for the XPENG G6. That is close enough that capacity loss should not decide between them. The XPENG G6's LFP-type pack tolerates daily 100% charging, while the Kia EV6's NMC-type pack lasts longest kept to about 80% for everyday use.
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 Kia EV6 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 Kia EV6 and XPENG G6 rank among the best family EVsWhere the Kia EV6 and XPENG G6 rank among the best electric SUVsWhere the Kia EV6 and XPENG G6 rank among the best motorway EVsWhere the Kia EV6 and XPENG G6 rank among the best city EVsWhere the Kia EV6 and XPENG G6 rank among the cheapest EVs to runWhere the Kia EV6 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.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .