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Mercedes-Benz CLA vs MG IM6
Selected trim250+ Sport EditionChange trim484 mi · 85 kWh · £45,615
Selected trim100 Long RangeChange trim388 mi · 100 kWh · £47,995
At a glance
In this comparison, Mercedes-Benz CLA leads on value for money, motorway range and family practicality, while the MG IM6 leads on 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 most family-friendly option with good safety and space
- you want the lowest running costs - from just 1.5p per mile on off-peak electricity
Choose the MG IM6 if...
- you need the fastest charging of these options
How we reached the recommendation
Verdict
Our take
The Mercedes-Benz CLA leads in the most categories, but each car here has its strengths.
ValueMercedes-Benz
Mercedes-Benz
7.9
MG
5.8
Motorway RangeMercedes-Benz
Mercedes-Benz
9
MG
6
FamilyMercedes-Benz
Mercedes-Benz
6.5
MG
5.1
ChargingMG
Mercedes-Benz
7.7
MG
9.1
Cost Per MileMercedes-Benz
Mercedes-Benz
9.8
MG
1.8
City Driving
Mercedes-Benz
3.9
MG
3.7
Too close to call
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
MG IM6
100 Long Range
- 260 litres more boot space
- 76 kW faster rapid charging
- 100 kW more power
- 1.3s quicker 0-62 mph
- 1.0 m tighter turning circle
Key specifications
Compare the key specifications for your selected trims.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| Price | £45,615 (better) | £47,995 |
| Official range | 484 miles (better) | 388 miles |
| Boot space | 405 L | 665 L (better) |
| 10-80% rapid charge | Not available | 17 min |
| 0-62 mph | 6.7 sec | 5.4 sec (better) |
Size Comparison
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Mercedes-Benz CLA
MG IM6
Length
Mercedes-Benz CLA4,723mm-181mm
MG IM64,904mm
Width
Mercedes-Benz CLA1,855mm-133mm
MG IM61,988mm
Height
Mercedes-Benz CLA1,468mm-201mm
MG IM61,669mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| Length | 4,723 mm | 4,904 mm |
| Width (mirrors folded) | 1,855 mm (better) | 1,988 mm |
| Width with mirrors out | Not available | 2,190 mm |
| Height | 1,468 mm | 1,669 mm |
| Turning circle | 11.2 m | 10.2 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 545 mm spare (better) | 412 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| Seats | Not available | 5 |
| ISOFIX child-seat points | Not available | 2 |
| Boot space (seats up) | 405 L | 665 L (better) |
| Boot space (seats down) | Not available | 1640 L |
| Frunk | 101 L (better) | 32 L |
| Towing capacity (braked) | Not available | 1,500 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
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.
MG IM6
- 388 mile WLTP range, longer than 90% of SUVs we track.
- At 4,904 mm, longer than 90% of SUVs we track.
- Peak DC charging of 396 kW, faster than 100% of SUVs in our catalogue.
Full specifications
| Specification |  Mercedes-Benz CLA 250+ Sport Edition |  MG IM6 100 Long Range |
|---|---|---|
| Dimensions | ||
| Length | 4.72m | 4.90m+181mm |
| Width | 1.85m | 1.99m+133mm |
| Width (mirrors) | Not available | 2.19m |
| Height | 1.47m | 1.67m+201mm |
| Wheelbase | 2.79m | 2.95m+160mm |
| Capacity | ||
| Boot (seats up) | 405L | 665L (better) |
| Boot (seats down) | Not available | 1640L |
| Frunk | 101L (better) | 32L |
| Seats | Not available | 5 |
| Practicality | ||
| Turning Circle | 11.21m | 10.18m (better) |
| Kerb Weight | Not available | 2,320kg |
| Towing Capacity | Not available | 1,500kg |
| Electric | ||
| Battery | 85kWh | 100kWh (better) |
| Range (WLTP) | 484 mi (better) | 388 mi |
| Max DC Charge | 320kW | 396kW (better) |
| Pricing | ||
| UK MSRP | £45,615 (better) | £47,995 |
| Details | ||
| Body Style | Saloon | SUV |
| Available | 2025+ | 2025+ |
* MG IM6: Not yet Euro NCAP tested as of 2026-05. Limited-production / halo / pre-launch / new-brand models are typically rated some time after general sale.
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| Official range (WLTP) | 484 miles (better) | 388 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 403 miles (better) | 275 miles |
| 10-80% rapid charge time | Not available | 17 min |
| Max rapid charge rate | 320 kW | 396 kW (better) |
| Home AC charging | Not available | 11 kW |
| Energy consumption | Not available | 182 Wh/km |
| Usable battery capacity | 85 kWh | 96.5 kWh (better) |
| Battery chemistry | Not available | NMC |
| Battery architecture | 800V | 800V |
| Heat pump | Standard | Standard |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| 0-62 mph | 6.7 sec | 5.4 sec (better) |
| Power | 200 kW | 300 kW (better) |
| Torque | 335 Nm | 500 Nm (better) |
| Drivetrain | RWD | RWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
Mercedes-Benz CLA
250+ Sport Edition
MG IM6
100 Long 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.
Check a lease quote
Assess the effective monthly cost alongside the list price and expected depreciation.
Safety & ownership confidence
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)
Euro NCAP - MG IM6 100 Long Range
MG IM6 100 Long Range
Not yet Euro NCAP tested as of 2026-05. Limited-production / halo / pre-launch / new-brand models are typically rated some time after general sale.
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Mercedes-Benz CLA250+ Sport Edition | MG IM6100 Long Range |
|---|---|---|
| Battery warranty | Not available | 8 years |
| Battery warranty distance | Not available | 160,934 km |
Buying options
Get a quote
Mercedes-Benz CLA
Used on AutoTraderLease deals
MG IM6
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Mercedes-Benz CLA
No active listings.
MG IM6
- £35,4582026Car360View
- £34,9902026Cars2View
- £35,2902025Cars2View
Frequently asked questions
Is the MG IM6 worth the extra £2,380 over the Mercedes-Benz CLA?
The MG IM6 costs £2,380 more than the Mercedes-Benz CLA. For that premium it adds 76 kW faster peak rapid charging, 260 litres more boot space and 100 kW more power. The Mercedes-Benz CLA is not just cheaper - it also offers 96 miles more WLTP range. On EVcarsguide's combined category scores, the Mercedes-Benz CLA comes out ahead overall.
Which is cheaper to own over 5 years, the Mercedes-Benz CLA or the MG IM6?
The Mercedes-Benz CLA is £2,380 cheaper to buy. The Mercedes-Benz CLA is cheaper to charge, roughly £120 a year versus £200 for the MG IM6, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Mercedes-Benz CLA comes out roughly £2,780 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Mercedes-Benz CLA and MG IM6 like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 403 miles for the Mercedes-Benz CLA and 275 miles for the MG IM6 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Mercedes-Benz CLA goes roughly 129 miles further between charging stops.
Which is easier to park and drive in town, the Mercedes-Benz CLA or the MG IM6?
The Mercedes-Benz CLA is the easier car for tight UK car parks: it is 133 mm narrower than the MG IM6. In a standard 2,400 mm bay that leaves about 545 mm of total clearance for the Mercedes-Benz CLA and about 412 mm of total clearance for the MG IM6. The MG IM6 also turns in a 1.0 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 Mercedes-Benz CLA comparisons
More MG IM6 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 Mercedes-Benz CLA and MG IM6 rank among long-range EVsWhere the Mercedes-Benz CLA and MG IM6 rank among the best motorway EVsWhere the Mercedes-Benz CLA and MG IM6 rank among the best city EVsWhere the Mercedes-Benz CLA and MG IM6 rank among the cheapest EVs to runWhere the Mercedes-Benz CLA and MG IM6 rank among EVs with the biggest bootsWhere the Mercedes-Benz CLA and MG IM6 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 .