In this comparison, Kia EV3 leads on value for money, family practicality and charging speed, while the Mercedes-Benz EQA stays competitive across the board.
Choose the Kia EV3 if...
Our take
The Kia EV3 wins almost every category - it's the clear choice unless price is the deciding factor.
Too close to call
See the specification differences behind the verdict, with supporting figures for each advantage.
Standard Range 58.3kWh
Compare the key specifications for your selected trims.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Price | £33,055 (better) | £43,495 |
| Official range | 270 miles (better) | 263 miles |
| Boot space | 460 L (better) | 340 L |
| 10-80% rapid charge | 29 min (better) | 30 min |
| 0-62 mph | 7.5 sec (better) | 8.1 sec |
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Length | 4,310 mm | 4,463 mm |
| Width (mirrors folded) | 1,850 mm | 1,834 mm (better) |
| Width with mirrors out | Not available | 2,020 mm |
| Height | 1,570 mm | 1,620 mm |
| Turning circle | 10.4 m (better) | 11.4 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 550 mm spare | 566 mm spare (better) |
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Seats | 5 | 5 |
| ISOFIX child-seat points | 2 | 2 |
| Boot space (seats up) | 460 L (better) | 340 L |
| Boot space (seats down) | Not available | 1320 L |
| Frunk | 25 L | Not available |
| Towing capacity (braked) | Not available | 750 kg |
Percentile ranks against UK EVs of the same body style.
Kia EV3
Mercedes-Benz EQA
Not enough peers to make confident percentile claims.
| Specification | Kia EV3 Standard Range 58.3kWh | Mercedes-Benz EQA 250 |
|---|---|---|
| Dimensions | ||
| Length | 4.31m | 4.46m+153mm |
| Width | 1.85m | 1.83m-16mm |
| Width (mirrors) | Not available | 2.02m |
| Height | 1.57m | 1.62m+50mm |
| Wheelbase | 2.68m | 2.73m+49mm |
| Ground Clearance | Not available | 168mm |
| Capacity | ||
| Boot (seats up) | 460L (better) | 340L |
| Boot (seats down) | Not available | 1320L |
| Frunk | 25L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 10.4m (better) | 11.4m |
| Kerb Weight | 1,800kg (better) | 2,040kg |
| Towing Capacity | Not available | 750kg |
| Electric | ||
| Battery | 58.3kWh | 66.5kWh (better) |
| Range (WLTP) | 270 mi (better) | 263 mi |
| Max DC Charge | 127kW (better) | 100kW |
| Pricing | ||
| UK MSRP | £33,055 (better) | £43,495 |
| Price after EV grant | £31,555 (-£1,500) | £43,495 (not eligible) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2024+ | 2021–2022 |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Official range (WLTP) | 270 miles (better) | 263 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 193 miles | 219 miles (better) |
| 10-80% rapid charge time | 29 min (better) | 30 min |
| Max rapid charge rate | 127 kW (better) | 100 kW |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | 149 Wh/km | Not available |
| Usable battery capacity | 58.3 kWh | 66.5 kWh (better) |
| Battery chemistry | NCMA | NMC |
| Battery architecture | Not available | 400V |
| Heat pump | Not available | Standard |
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| 0-62 mph | 7.5 sec (better) | 8.1 sec |
| Power | 150 kW (better) | 140 kW |
| Torque | 283 Nm | 375 Nm (better) |
| Drivetrain | FWD | FWD |
See how UK motoring publications rate each car in their road tests.

Kia EV3
Standard Range 58.3kWh
8.5/10
average across 5 reviews

Mercedes-Benz EQA
250
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.
Current pricing and recent used-market behaviour.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Used market price from | £25,220 | £16,278 |
| Average used price | £25,750 | £18,653 |
Used prices are indicative figures gathered from independent UK dealer listings and change frequently.
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.
Tested 2025
Tested 2019
Check the published battery warranty cover for each selected trim.
| Measure | Kia EV3Standard Range 58.3kWh | Mercedes-Benz EQA250 |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km (better) | 160,000 km |
Aggregated from UK owner forums and communities - the things you only learn after living with the car.
Shared watch-outs for both cars
Owners of every car here flag dealer & service support. Worth checking on a test drive whichever you choose.

Kia EV3
Standard Range 58.3kWh

Mercedes-Benz EQA
250
Get a quote
Kia EV3
Mercedes-Benz EQA
Active inventory from independent UK dealers.
Kia EV3
No active listings.
Mercedes-Benz EQA
The Mercedes-Benz EQA costs £10,440 more than the Kia EV3. On the headline specs that premium buys little measurable advantage - the two are closely matched on range, charging and space. The Kia EV3 is not just cheaper - it also offers 27 kW faster peak rapid charging and 120 litres more boot space. On EVcarsguide's combined category scores, the Kia EV3 comes out ahead overall.
The Kia EV3 is £10,440 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 EV3 comes out roughly £10,520 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
EVcarsguide estimates a real-world motorway range of about 193 miles for the Kia EV3 and 219 miles for the Mercedes-Benz EQA - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Mercedes-Benz EQA goes roughly 27 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 29-30 minutes.
The two are within 16 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 566 mm of total clearance for the Mercedes-Benz EQA and about 550 mm of total clearance for the Kia EV3. The Kia EV3 also turns in a 1.0 m tighter circle, which helps with U-turns and multi-storey ramps.
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 89% battery health for the Kia EV3 and 84% for the Mercedes-Benz EQA. That gives the Kia EV3 a modest edge in retained real-world range. 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.
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare similarly sized and priced electric cars before finalising your shortlist.
More Kia EV3 comparisons
More Mercedes-Benz EQA comparisons
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
Explore buying and ownership guides to help you choose between these electric cars.
GuideA used Kia EV3 buyer’s guide: Standard and Long Range explained, the instrument-cluster recall, the 7-year warranty left, real-world range, what owners report, what to pay against a new one with the grant, and a printable checklist.
GuideBuying a used Mercedes-Benz EQA: the 250, 250+ and 4MATIC versions, realistic range, the software recalls, what owners report and what to pay in 2026.
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .