Loading comparison
BMW iX3 vs Mercedes-Benz CLA Shooting Brake
Selected trim40Change trim395 mi · 82.6 kWh · £53,250
Selected trim250+ electric Sport469 mi · 85 kWh · £49,900
At a glance
In this comparison, BMW iX3 leads on family practicality and charging speed, while the Mercedes-Benz CLA Shooting Brake leads on value for money, motorway range and running costs.
Best value
Mercedes-Benz CLA Shooting BrakeRange & charging
Too close to call
Practicality
Too close to call
Which should you choose?
Choose the BMW iX3 if...
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
Choose the Mercedes-Benz CLA Shooting Brake 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 want the lowest running costs - from just 1.8p per mile on off-peak electricity
- you need the best car for city driving and tight parking
How we reached the recommendation
Verdict
Our take
The Mercedes-Benz CLA Shooting Brake leads in the most categories, but each car here has its strengths.
ValueMercedes-Benz
BMW
6.2
Mercedes-Benz
6.8
Motorway RangeMercedes-Benz
BMW
7.8
Mercedes-Benz
8.4
FamilyBMW
BMW
8
Mercedes-Benz
6.6
ChargingBMW
BMW
8.3
Mercedes-Benz
6.8
Cost Per MileMercedes-Benz
BMW
6.4
Mercedes-Benz
8.8
City DrivingMercedes-Benz
BMW
3.3
Mercedes-Benz
4.6
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Mercedes-Benz CLA Shooting Brake
250+ electric Sport
- £3,350 cheaper
- 75 miles more WLTP range
- 16 Wh/km more efficient
- 0.9 m tighter turning circle
Key specifications
Compare the key specifications for your selected trims.
| Measure | BMW iX340 | Mercedes-Benz CLA Shooting Brake250+ electric Sport |
|---|---|---|
| Price | £53,250 | £49,900 (better) |
| Official range | 395 miles | 469 miles (better) |
| Boot space | 520 L (better) | 455 L |
| 10-80% rapid charge | 21 min | 20 min (better) |
| 0-62 mph | 6 sec (better) | 6.8 sec |
Size Comparison
View:
Align by:
BMW iX3
Mercedes-Benz CLA Shooting Brake
Length
BMW iX34,782mm
Mercedes-Benz CLA Shooting Brake4,723mm-59mm
Width
BMW iX31,895mm
Mercedes-Benz CLA Shooting Brake1,855mm-40mm
Height
BMW iX31,635mm
Mercedes-Benz CLA Shooting Brake1,469mm-166mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | BMW iX340 | Mercedes-Benz CLA Shooting Brake250+ electric Sport |
|---|---|---|
| Length | 4,782 mm | 4,723 mm |
| Width (mirrors folded) | 1,895 mm | 1,855 mm (better) |
| Width with mirrors out | 2,093 mm | 2,021 mm (better) |
| Height | 1,635 mm | 1,469 mm |
| Turning circle | 12.1 m | 11.2 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 505 mm spare | 545 mm spare (better) |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | BMW iX340 | Mercedes-Benz CLA Shooting Brake250+ electric Sport |
|---|---|---|
| Seats | Not available | 5 |
| Boot space (seats up) | 520 L (better) | 455 L |
| Boot space (seats down) | 1750 L (better) | 1320 L |
| Frunk | 58 L | Not available |
| Towing capacity (braked) | Not available | 1,500 kg |
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.
Mercedes-Benz CLA Shooting Brake
Not enough peers to make confident percentile claims.
Full specifications
| Specification |  BMW iX3 40 |  Mercedes-Benz CLA Shooting Brake 250+ electric Sport |
|---|---|---|
| Dimensions | ||
| Length | 4.78m | 4.72m-59mm |
| Width | 1.90m | 1.85m-40mm |
| Width (mirrors) | 2.09m | 2.02m-72mm |
| Height | 1.64m | 1.47m-166mm |
| Wheelbase | 2.90m | 2.83m-66mm |
| Capacity | ||
| Boot (seats up) | 520L (better) | 455L |
| Boot (seats down) | 1750L (better) | 1320L |
| Frunk | 58L | Not available |
| Seats | Not available | 5 |
| Practicality | ||
| Turning Circle | 12.1m | 11.21m (better) |
| Kerb Weight | 2,200kg | 2,091kg (better) |
| Towing Capacity | Not available | 1,500kg |
| Electric | ||
| Battery | 82.6kWh | 85kWh (better) |
| Range (WLTP) | 395 mi | 469 mi (better) |
| Max DC Charge | 300kW | 320kW (better) |
| Pricing | ||
| UK MSRP | £53,250 | £49,900 (better) |
| Details | ||
| Body Style | SUV | Estate |
| Available | 2026+ | 2026+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | BMW iX340 | Mercedes-Benz CLA Shooting Brake250+ electric Sport |
|---|---|---|
| Official range (WLTP) | 395 miles | 469 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 293 miles | 339 miles (better) |
| 10-80% rapid charge time | 21 min | 20 min (better) |
| Max rapid charge rate | 300 kW | 320 kW (better) |
| Home AC charging | 11 kW | 22 kW (better) |
| Energy consumption | 146 Wh/km | 130 Wh/km (better) |
| Usable battery capacity | 82.6 kWh | 85 kWh (better) |
| Battery chemistry | Not available | NMC |
| Battery architecture | 800V | 800V |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | BMW iX340 | Mercedes-Benz CLA Shooting Brake250+ electric Sport |
|---|---|---|
| 0-62 mph | 6 sec (better) | 6.8 sec |
| Power | 235 kW (better) | 200 kW |
| Torque | 500 Nm (better) | 335 Nm |
| Drivetrain | RWD | RWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
BMW iX3
40
Mercedes-Benz CLA Shooting Brake
250+ electric Sport
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.
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 - Mercedes-Benz CLA Shooting Brake 250+ electric Sport
Tested 2025
Adult Occupant94%
Child Occupant89%
Vulnerable Road Users93%
Safety Assist85%
Full result on euroncap.com (opens in new tab)
Buying options
Get a quote
BMW iX3
Used on AutoTraderLease deals
Mercedes-Benz CLA Shooting Brake
Used on AutoTraderLease deals
Frequently asked questions
Is the BMW iX3 worth the extra £3,350 over the Mercedes-Benz CLA Shooting Brake?
The BMW iX3 costs £3,350 more than the Mercedes-Benz CLA Shooting Brake. For that premium it adds 65 litres more boot space and 35 kW more power. The Mercedes-Benz CLA Shooting Brake is not just cheaper - it also offers 75 miles more WLTP range and lower energy use, 130 versus 146 Wh/km. On EVcarsguide's combined category scores, the Mercedes-Benz CLA Shooting Brake comes out ahead overall.
Which is cheaper to own over 5 years, the BMW iX3 or the Mercedes-Benz CLA Shooting Brake?
The Mercedes-Benz CLA Shooting Brake is £3,350 cheaper to buy. Running costs are almost identical - about £144 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Mercedes-Benz CLA Shooting Brake comes out roughly £3,430 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 Mercedes-Benz CLA Shooting Brake like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 293 miles for the BMW iX3 and 339 miles for the Mercedes-Benz CLA Shooting Brake - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Mercedes-Benz CLA Shooting Brake goes roughly 46 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 20-21 minutes.
Which is easier to park and drive in town, the BMW iX3 or the Mercedes-Benz CLA Shooting Brake?
The Mercedes-Benz CLA Shooting Brake is the easier car for tight UK car parks: it is 40 mm narrower than the BMW iX3. In a standard 2,400 mm bay that leaves about 545 mm of total clearance for the Mercedes-Benz CLA Shooting Brake and about 505 mm of total clearance for the BMW iX3. The Mercedes-Benz CLA Shooting Brake also turns in a 0.9 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 Mercedes-Benz CLA Shooting Brake 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 Mercedes-Benz CLA Shooting Brake rank among long-range EVsWhere the BMW iX3 and Mercedes-Benz CLA Shooting Brake rank among the best motorway EVsWhere the BMW iX3 and Mercedes-Benz CLA Shooting Brake rank among the best city EVsWhere the BMW iX3 and Mercedes-Benz CLA Shooting Brake rank among the cheapest EVs to runWhere the BMW iX3 and Mercedes-Benz CLA Shooting Brake rank among EVs with the biggest bootsWhere the BMW iX3 and Mercedes-Benz CLA Shooting Brake rank among Best Used Electric Cars Under £10,000 (UK)
If neither is quite right
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .