In this comparison, MG MG4 EV leads on family practicality, charging speed and city driving, while the Smart #1 stays competitive across the board.
Choose the MG4 EV (2022-2025) if...
Our take
The MG MG4 EV 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.
Compare the key specifications for your selected trims.
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | MG4 EVSE Standard Range | Smart #1Pure |
|---|---|---|
| Length | 4,287 mm | 4,270 mm |
| Width (mirrors folded) | 1,836 mm | 1,822 mm (better) |
| Width with mirrors out | 2,060 mm | 2,025 mm (better) |
| Height | 1,504 mm | 1,636 mm |
| Turning circle | 10.5 m (better) | 11 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 564 mm spare | 578 mm spare (better) |
Compare seating, child-seat mounting points, boot space and towing capacity.
Percentile ranks against UK EVs of the same body style.
MG4 EV
Smart #1
| Specification | MG4 EV SE Standard Range | Smart #1 Pure |
|---|---|---|
| Dimensions | ||
| Length | 4.29m | 4.27m-17mm |
| Width | 1.84m | 1.82m-14mm |
| Width (mirrors) | 2.06m | 2.02m-35mm |
| Height | 1.50m | 1.64m+132mm |
| Wheelbase | 2.71m | 2.75m+45mm |
| Capacity | ||
| Boot (seats up) | 363L (better) | 313L |
| Boot (seats down) | 1177L (better) | 976L |
| Frunk | Not available | 15L (better) |
| Seats | 5 | Not available |
| Practicality | ||
| Turning Circle | 10.5m (better) | 11m |
| Kerb Weight | 1,655kg | Not available |
| Towing Capacity | 500kg (better) | Not available |
| Electric | ||
| Battery | 51kWh (better) | 49kWh |
| Range (WLTP) | 217 mi (better) | 193 mi |
| Max DC Charge | 117kW | 130kW (better) |
| Pricing | ||
| UK MSRP | £25,995 (better) | £29,960 |
| Details | ||
| Body Style | Hatchback | SUV |
| Available | 2022–2026 | 2023+ |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | MG4 EVSE Standard Range | Smart #1Pure |
|---|---|---|
| Official range (WLTP) | 217 miles (better) | 193 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 155 miles (better) | 133 miles |
| 10-80% rapid charge time | 39 min | 30 min (better) |
| Max rapid charge rate | 117 kW | 130 kW (better) |
| Home AC charging | 7 kW | 7.4 kW (better) |
| Energy consumption | 170 Wh/km (better) | 181 Wh/km |
| Usable battery capacity | 50.8 kWh (better) | 49 kWh |
| Battery chemistry | LFP | LFP |
| Battery architecture | 400V | Not available |
| Heat pump | Not standard | Not available |
Compare acceleration, power and drivetrain specifications for the selected trims.
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.

MG4 EV
SE Standard Range
No critic reviews gathered yet for this car.

Smart #1
Pure
7.5/10
average across 4 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.
Current pricing and recent used-market behaviour.
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 2022
Tested 2022
Check the published battery warranty cover for each selected trim.
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 infotainment & software. Worth checking on a test drive whichever you choose.

MG4 EV
SE Standard Range

Smart #1
Pure
Get a quote
MG4 EV
Smart #1
Active inventory from independent UK dealers.
MG4 EV
Smart #1
The Smart #1 costs £3,965 more than the MG MG4 EV. For that premium it adds 75 kW more power. The MG MG4 EV is not just cheaper - it also offers 50 litres more boot space. On EVcarsguide's combined category scores, the MG MG4 EV comes out ahead overall.
The MG MG4 EV is £3,965 cheaper to buy. Running costs are almost identical - about £184 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the MG MG4 EV comes out roughly £4,045 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 155 miles for the MG MG4 EV and 133 miles for the Smart #1 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The MG MG4 EV goes roughly 22 miles further between charging stops. A rapid charge to 80% takes around 39 minutes in the MG MG4 EV and 30 in the Smart #1, so the Smart #1 loses less time at each stop. So the MG MG4 EV stops less often while the Smart #1 stops for less time - pick on which you would rather do.
The two are within 14 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 578 mm of total clearance for the Smart #1 and about 564 mm of total clearance for the MG MG4 EV. The MG MG4 EV also turns in a 0.5 m tighter circle, which helps with U-turns and multi-storey ramps.
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 90% battery health for the MG MG4 EV and 90% for the Smart #1. That is close enough that capacity loss should not decide between them. Both use LFP-type cells, which are happy charged to 100% every day. The Smart #1 has the longer battery warranty at 8 years, versus 7 for the MG MG4 EV.
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 MG MG4 EV comparisons
More Smart #1 comparisons
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Explore buying and ownership guides to help you choose between these electric cars.
GuideA used MG4 EV buyer’s guide: the five versions and the 2026 facelift, how it differs from the MG4 Urban, the transferable 7-year warranty and how to keep it, LFP vs NMC batteries, real-world range, the recall, what to pay and a printable checklist.
GuideA used Smart #1 buyer’s guide: the 66 kWh Pro+, Premium and BRABUS and the later 49 kWh Pure and Pro, the seat belt recall, the short car warranty but 8-year battery cover, real-world range, what owners report and a printable checklist.
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .