In this comparison, BYD Dolphin Surf leads on value for money, family practicality and charging speed, while the MINI Aceman leads on motorway range and running costs.
Choose the BYD Dolphin Surf if...
Choose the MINI Aceman if...
Our take
The BYD Dolphin Surf leads in the most categories, but each car here has its strengths.
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.
| Measure | BYD Dolphin SurfActive | MINI AcemanE |
|---|---|---|
| Price | £18,650 (better) | £28,310 |
| Official range | 137 miles | 191 miles (better) |
| Boot space | 308 L (better) | 300 L |
| 10-80% rapid charge | 30 min | 29 min (better) |
| 0-62 mph | 11.1 sec (better) | 12.7 sec |
Size Comparison
Length
Width
Height
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | BYD Dolphin SurfActive | MINI AcemanE |
|---|---|---|
| Length | 3,990 mm | 4,079 mm |
| Width (mirrors folded) | 1,720 mm (better) | 1,754 mm |
| Width with mirrors out | Not available | 1,984 mm |
| Height | 1,590 mm | 1,514 mm |
| Turning circle | 10.4 m (better) | 10.8 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 680 mm spare (better) | 646 mm spare |
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | BYD Dolphin SurfActive | MINI AcemanE |
|---|---|---|
| Seats | 4 | 5 (better) |
| Rear legroom | Not available | 822 mm |
| ISOFIX child-seat points | 3 | Not available |
| Boot space (seats up) | 308 L (better) | 300 L |
| Boot space (seats down) | 1037 L (better) | 1005 L |
| Frunk | Not available | 0 L |
| Towing capacity (braked) | 0 kg | 750 kg (better) |
Percentile ranks against UK EVs of the same body style.
BYD Dolphin Surf
MINI Aceman
Not enough peers to make confident percentile claims.
| Specification | BYD Dolphin Surf Active | MINI Aceman E |
|---|---|---|
| Dimensions | ||
| Length | 3.99m | 4.08m+89mm |
| Width | 1.72m | 1.75m+34mm |
| Width (mirrors) | Not available | 1.98m |
| Height | 1.59m | 1.51m-76mm |
| Wheelbase | 2.50m | 2.61m+106mm |
| Ground Clearance | 151mm | Not available |
| Capacity | ||
| Boot (seats up) | 308L (better) | 300L |
| Boot (seats down) | 1037L (better) | 1005L |
| Seats | 4 | 5 (better) |
| Rear Legroom | Not available | 822mm |
| Practicality | ||
| Turning Circle | 10.4m (better) | 10.8m |
| Kerb Weight | 1,294kg (better) | 1,720kg |
| Towing Capacity | Not available | 750kg (better) |
| Electric | ||
| Battery | 30kWh | 38.5kWh (better) |
| Range (WLTP) | 137 mi | 191 mi (better) |
| Max DC Charge | 65kW | 75kW (better) |
| Pricing | ||
| UK MSRP | £18,650 (better) | £28,310 |
| Details | ||
| Body Style | Hatchback | SUV |
| Available | 2025+ | 2024+ |
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | BYD Dolphin SurfActive | MINI AcemanE |
|---|---|---|
| Official range (WLTP) | 137 miles | 191 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 87 miles | 159 miles (better) |
| 10-80% rapid charge time | 30 min | 29 min (better) |
| Max rapid charge rate | 65 kW | 75 kW (better) |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | 170 Wh/km | Not available |
| Usable battery capacity | 30 kWh | 38.5 kWh (better) |
| Battery chemistry | LFP | NMC |
| Battery architecture | 400V | 400V |
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | BYD Dolphin SurfActive | MINI AcemanE |
|---|---|---|
| 0-62 mph | 11.1 sec (better) | 12.7 sec |
| Power | 65 kW | 135 kW (better) |
| Torque | 175 Nm | 290 Nm (better) |
| Drivetrain | FWD | FWD |
See how UK motoring publications rate each car in their road tests.

BYD Dolphin Surf
Active

MINI Aceman
E
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.
For a useful running-cost comparison, factor in your mileage, charging access and current petrol or diesel car alongside the EV estimate.
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Cost per mile
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Tested 2025
Tested 2025
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BYD Dolphin Surf
MINI Aceman
The MINI Aceman costs £9,660 more than the BYD Dolphin Surf. For that premium it adds 53 miles more WLTP range, 70 kW more power and 1 more seat (5 versus 4). The BYD Dolphin Surf is not just cheaper - it also offers a 1.6s quicker 0-62mph time. On EVcarsguide's combined category scores, the BYD Dolphin Surf comes out ahead overall.
The BYD Dolphin Surf is £9,660 cheaper to buy. The MINI Aceman is cheaper to charge, roughly £136 a year versus £184 for the BYD Dolphin Surf, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD Dolphin Surf comes out roughly £9,420 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 87 miles for the BYD Dolphin Surf and 159 miles for the MINI Aceman - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The MINI Aceman goes roughly 72 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 29-30 minutes.
The BYD Dolphin Surf is the easier car for tight UK car parks: it is 34 mm narrower than the MINI Aceman. In a standard 2,400 mm bay that leaves about 680 mm of total clearance for the BYD Dolphin Surf and about 646 mm of total clearance for the MINI Aceman. The BYD Dolphin Surf also turns in a 0.4 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 BYD Dolphin Surf and 84% for the MINI Aceman. That gives the BYD Dolphin Surf a modest edge in retained real-world range. The BYD Dolphin Surf's LFP-type pack tolerates daily 100% charging, while the MINI Aceman's NMC-type pack lasts longest kept to about 80% for everyday use.
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 BYD Dolphin Surf comparisons
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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.
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .