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BMW iX3 vs Kia EV6 (2021-2024)
Selected trim40Change trim395 mi · 82.6 kWh · £53,250
At a glance
In this comparison, BMW iX3 leads on family practicality, while the Kia EV6 counters with the lowest price.
Which should you choose?
Choose the BMW iX3 if...
- you need the most family-friendly option with good safety and space
How we reached the recommendation
Verdict
Our take
The BMW iX3 edges ahead overall, but it's close - check which categories matter most to you.
Value
BMW
6.2
Kia
6.1
Too close to call
Motorway Range
BMW
7.8
Kia
7.6
Too close to call
FamilyBMW
BMW
8
Kia
7.2
Charging
BMW
8.3
Kia
8.3
Too close to call
Cost Per Mile
BMW
6.4
Kia
6.3
Too close to call
City Driving
BMW
3.3
Kia
3.6
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
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BMW iX3
Kia EV6
Length
BMW iX34,782mm
Kia EV64,680mm-102mm
Width
BMW iX31,895mm
Kia EV61,880mm-15mm
Height
BMW iX31,635mm
Kia EV61,550mm-85mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | BMW iX340 | Kia EV6Air 77.4kWh |
|---|---|---|
| Length | 4,782 mm | 4,680 mm |
| Width (mirrors folded) | 1,895 mm | 1,880 mm (better) |
| Width with mirrors out | 2,093 mm (better) | 2,141 mm |
| Height | 1,635 mm | 1,550 mm |
| Turning circle | 12.1 m | 11.6 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 505 mm spare | 520 mm spare (better) |
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.
BMW iX3
- 395 mile WLTP range, longer than 95% of SUVs we track.
- Peak DC charging of 300 kW, faster than 90% of SUVs in our catalogue.
- Uses 146 Wh/km on the WLTP cycle, more efficient than 95% of SUVs we track.
Kia EV6
Not enough peers to make confident percentile claims.
Full specifications
| Specification |  BMW iX3 40 |  Kia EV6 Air 77.4kWh |
|---|---|---|
| Dimensions | ||
| Length | 4.78m | 4.68m-102mm |
| Width | 1.90m | 1.88m-15mm |
| Width (mirrors) | 2.09m | 2.14m+48mm |
| Height | 1.64m | 1.55m-85mm |
| Wheelbase | 2.90m | 2.90m+4mm |
| Capacity | ||
| Boot (seats up) | 520L (better) | 490L |
| Boot (seats down) | 1750L (better) | 1300L |
| Frunk | 58L (better) | 52L |
| Seats | Not available | 5 |
| Practicality | ||
| Turning Circle | 12.1m | 11.6m (better) |
| Kerb Weight | 2,200kg | Not available |
| Towing Capacity | Not available | 1,600kg |
| Electric | ||
| Battery | 82.6kWh (better) | 77.4kWh |
| Range (WLTP) | 395 mi (better) | 328 mi |
| Max DC Charge | 300kW (better) | 239kW |
| Pricing | ||
| UK MSRP | £53,250 | £40,895 (better) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2026+ | 2021–2024 |
* Kia EV6: Heat pump: optional on GT-Line and GT-Line S, standard on GT, not offered on the entry car at launch.
* Kia EV6: Headline WLTP figure for this drive type; versions on larger wheels are rated lower.
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | BMW iX340 | Kia EV6Air 77.4kWh |
|---|---|---|
| Official range (WLTP) | 395 miles (better) | 328 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 293 miles (better) | 273 miles |
| 10-80% rapid charge time | 21 min | 18 min (better) |
| Max rapid charge rate | 300 kW (better) | 239 kW |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | 146 Wh/km | Not available |
| Usable battery capacity | 82.6 kWh (better) | 77.4 kWh |
| Battery chemistry | Not available | NCMA |
| Battery architecture | 800V | 800V |
| Heat pump | Not available | Not standard |
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. One car has more review coverage than the other - we show that rather than guessing.
BMW iX3
40
Kia EV6
Air 77.4kWh
No critic reviews gathered yet for this car.
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 - BMW iX3 40
Tested 2026
Full result on euroncap.com (opens in new tab)
Euro NCAP - Kia EV6 Air 77.4kWh
Tested 2022
Adult Occupant90%
Child Occupant86%
Vulnerable Road Users64%
Safety Assist87%
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
BMW iX3
Used on AutoTraderLease deals
Kia EV6
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
BMW iX3
No active listings.
Kia EV6
- £23,2642023Car360View
- £28,4002023EV ExpertsView
- £28,9002023EV ExpertsView
Frequently asked questions
Is the BMW iX3 worth the extra £12,355 over the Kia EV6?
The BMW iX3 costs £12,355 more than the Kia EV6. For that premium it adds 66 miles more WLTP range, 61 kW faster peak rapid charging and 67 kW more power. On EVcarsguide's combined category scores, the BMW iX3 comes out ahead overall.
Which is cheaper to own over 5 years, the BMW iX3 or the Kia EV6?
The Kia EV6 is £12,355 cheaper to buy. Running costs are almost identical - about £160 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Kia EV6 comes out roughly £12,355 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the BMW iX3 and Kia EV6 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 293 miles for the BMW iX3 and 273 miles for the Kia EV6 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The BMW iX3 goes roughly 19 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 18-21 minutes.
Which is easier to park and drive in town, the BMW iX3 or the Kia EV6?
The two are within 15 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 520 mm of total clearance for the Kia EV6 and about 505 mm of total clearance for the BMW iX3. The Kia EV6 also turns in a 0.5 m tighter circle, which helps with U-turns and multi-storey ramps.
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 BMW iX3 comparisons
More Kia EV6 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 BMW iX3 and Kia EV6 rank among the best electric SUVsWhere the BMW iX3 and Kia EV6 rank among long-range EVsWhere the BMW iX3 and Kia EV6 rank among the best motorway EVsWhere the BMW iX3 and Kia EV6 rank among the best city EVsWhere the BMW iX3 and Kia EV6 rank among the cheapest EVs to runWhere the BMW iX3 and Kia EV6 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 .