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Mazda 6e vs Mercedes-Benz CLA
Selected trimTakumiChange trim348 mi · 78 kWh · £38,995
Selected trim250+ Sport EditionChange trim484 mi · 85 kWh · £45,615
At a glance
In this comparison, Mazda 6e counters with the lowest price, while the Mercedes-Benz CLA leads on value for money, motorway range and charging speed.
Which should you choose?
Choose the Mercedes-Benz CLA 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 need the fastest charging of these options
- you want the lowest running costs - from just 1.5p 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 wins almost every category - it's the clear choice unless price is the deciding factor.
ValueMercedes-Benz
Mazda
6.8
Mercedes-Benz
7.9
Motorway RangeMercedes-Benz
Mazda
6.2
Mercedes-Benz
9
Family
Mazda
6.5
Mercedes-Benz
6.5
Too close to call
ChargingMercedes-Benz
Mazda
5
Mercedes-Benz
7.7
Cost Per MileMercedes-Benz
Mazda
7.5
Mercedes-Benz
9.8
City DrivingMercedes-Benz
Mazda
2.9
Mercedes-Benz
3.9
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Mercedes-Benz CLA
250+ Sport Edition
- 136 miles more WLTP range
- 69 litres more boot space
- 125 kW faster rapid charging
- 1.2s quicker 0-62 mph
- 0.4 m tighter turning circle
Key specifications
Compare the key specifications for your selected trims.
| Measure | Mazda 6eTakumi | Mercedes-Benz CLA250+ Sport Edition |
|---|---|---|
| Price | £38,995 (better) | £45,615 |
| Official range | 348 miles | 484 miles (better) |
| Boot space | 336 L | 405 L (better) |
| 10-80% rapid charge | 24 min | Not available |
| 0-62 mph | 7.9 sec | 6.7 sec (better) |
Size Comparison
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Align by:
Mazda 6e
Mercedes-Benz CLA
Length
Mazda 6e4,921mm
Mercedes-Benz CLA4,723mm-198mm
Width
Mazda 6e1,890mm
Mercedes-Benz CLA1,855mm-35mm
Height
Mazda 6e1,491mm
Mercedes-Benz CLA1,468mm-23mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Mazda 6eTakumi | Mercedes-Benz CLA250+ Sport Edition |
|---|---|---|
| Length | 4,921 mm | 4,723 mm |
| Width (mirrors folded) | 1,890 mm | 1,855 mm (better) |
| Height | 1,491 mm | 1,468 mm |
| Turning circle | 11.6 m | 11.2 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 510 mm spare | 545 mm spare (better) |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Mazda 6eTakumi | Mercedes-Benz CLA250+ Sport Edition |
|---|---|---|
| Seats | 5 | Not available |
| ISOFIX child-seat points | 4 | Not available |
| Boot space (seats up) | 336 L | 405 L (better) |
| Frunk | 72 L | 101 L (better) |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Mazda 6e
Not enough peers to make confident percentile claims.
Mercedes-Benz CLA
- A 101 L frunk, one of 7 of 232 UK EVs in our catalogue with a front boot of 101 L or more.
- 484 mile WLTP range, longer than 95% of saloon EVs we track.
- At 4,723 mm, shorter than 85% of saloon EVs in our UK catalogue.
Full specifications
| Specification |  Mazda 6e Takumi |  Mercedes-Benz CLA 250+ Sport Edition |
|---|---|---|
| Dimensions | ||
| Length | 4.92m | 4.72m-198mm |
| Width | 1.89m | 1.85m-35mm |
| Height | 1.49m | 1.47m-23mm |
| Wheelbase | 2.90m | 2.79m-105mm |
| Capacity | ||
| Boot (seats up) | 336L | 405L (better) |
| Frunk | 72L | 101L (better) |
| Seats | 5 | Not available |
| Practicality | ||
| Turning Circle | 11.6m | 11.21m (better) |
| Kerb Weight | 2,027kg | Not available |
| Electric | ||
| Battery | 78kWh | 85kWh (better) |
| Range (WLTP) | 348 mi | 484 mi (better) |
| Max DC Charge | 195kW | 320kW (better) |
| Pricing | ||
| UK MSRP | £38,995 (better) | £45,615 |
| Details | ||
| Body Style | Saloon | Saloon |
| Available | 2026+ | 2025+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Mazda 6eTakumi | Mercedes-Benz CLA250+ Sport Edition |
|---|---|---|
| Official range (WLTP) | 348 miles | 484 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 290 miles | 403 miles (better) |
| 10-80% rapid charge time | 24 min | Not available |
| Max rapid charge rate | 195 kW | 320 kW (better) |
| Home AC charging | 11 kW | Not available |
| Usable battery capacity | 78 kWh | 85 kWh (better) |
| Battery chemistry | LFP | Not available |
| Battery architecture | 800V | 800V |
| Heat pump | Not available | Standard |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Mazda 6eTakumi | Mercedes-Benz CLA250+ Sport Edition |
|---|---|---|
| 0-62 mph | 7.9 sec | 6.7 sec (better) |
| Power | 190 kW | 200 kW (better) |
| Torque | 290 Nm | 335 Nm (better) |
| Drivetrain | RWD | RWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
Mazda 6e
Takumi
Mercedes-Benz CLA
250+ Sport Edition
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 - Mazda 6e Takumi
Tested 2025
Adult Occupant93%
Child Occupant93%
Vulnerable Road Users74%
Safety Assist77%
Full result on euroncap.com (opens in new tab)
Euro NCAP - Mercedes-Benz CLA 250+ Sport Edition
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
Mazda 6e
Used on AutoTraderLease deals
Mercedes-Benz CLA
Used on AutoTraderLease deals
Frequently asked questions
Is the Mercedes-Benz CLA worth the extra £6,620 over the Mazda 6e?
The Mercedes-Benz CLA costs £6,620 more than the Mazda 6e. For that premium it adds 136 miles more WLTP range, 125 kW faster peak rapid charging and 69 litres more boot space. On EVcarsguide's combined category scores, the Mercedes-Benz CLA comes out ahead overall.
Which is cheaper to own over 5 years, the Mazda 6e or the Mercedes-Benz CLA?
The Mazda 6e is £6,620 cheaper to buy. The Mercedes-Benz CLA is cheaper to charge, roughly £120 a year versus £152 for the Mazda 6e, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Mazda 6e comes out roughly £6,460 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Mazda 6e and Mercedes-Benz CLA like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 290 miles for the Mazda 6e and 403 miles for the Mercedes-Benz CLA - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Mercedes-Benz CLA goes roughly 113 miles further between charging stops.
Which is easier to park and drive in town, the Mazda 6e or the Mercedes-Benz CLA?
The Mercedes-Benz CLA is the easier car for tight UK car parks: it is 35 mm narrower than the Mazda 6e. In a standard 2,400 mm bay that leaves about 545 mm of total clearance for the Mercedes-Benz CLA and about 510 mm of total clearance for the Mazda 6e. The Mercedes-Benz CLA also turns in a 0.4 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 Mazda 6e comparisons
More Mercedes-Benz CLA 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 Mazda 6e and Mercedes-Benz CLA rank among long-range EVsWhere the Mazda 6e and Mercedes-Benz CLA rank among the best motorway EVsWhere the Mazda 6e and Mercedes-Benz CLA rank among the best city EVsWhere the Mazda 6e and Mercedes-Benz CLA rank among the cheapest EVs to runWhere the Mazda 6e and Mercedes-Benz CLA rank among EVs with the biggest bootsWhere the Mazda 6e and Mercedes-Benz CLA 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 .