BYD Sealion 7 vs MG IM6

Updated October 2026 · Real-world figures, not WLTP

BYD Sealion 7

SEALION 7 82.5 kWh RWD Comfort

£46,990 · 261 mi

Wins 4 of 15

MG IM6

IM6 Long Range

£48,495 · 298 mi

Wins 11 of 15

Our verdict

The BYD Sealion 7 and MG IM6 are both electric SUVs in the large car class. The BYD Sealion 7 starts at £46,990 in the UK and the MG IM6 at £48,495, comparing the cheapest version of each.

The Sealion 7 is £1,505 cheaper to buy new (£46,990 against £48,495).

The IM6 goes further, with about 298 miles of real-world range against 261 for the Sealion 7. On top of that, it charges faster on a rapid charger (250 kW against 115 kW on average, 10–80%), has the bigger boot (697 litres against 578), is quicker, doing 0–62 mph in 5.4 s against 6.7 s and has the longer warranty (7 years against 6).

There's little between them on efficiency.

Choose the BYD Sealion 7 if you want the lower price and the MG IM6 if you want the longest range and quicker charging stops.

Written from the figures below, comparing the cheapest UK version of each. Other versions can differ: open them in Compare to swap versions.

BYD Sealion 7MG IM6

Price

Price new: £46,990 (best)on sale now; £48,495on sale now
Used from (estimated): £22,300 (best)2024 car; £27,6002025 car
Price per mile of range: £180; £163 (best)

Range and efficiency

Real-world range: 261 mi420 km, estimate; 298 mi (best)480 km, estimate
Range today, used (estimated): about 250 mi2024 car, est.; about 292 mi (best)2025 car, est.
Efficiency: 3.2 mi/kWh (best)196 Wh/km, estimate; 3.1 mi/kWh201 Wh/km, estimate
Range with one 15-min stop: 273 mi440 km; 378 mi (best)609 km

Charging

Rapid charging: 115 kW10–80% average; 250 kW (best)10–80% average
Home (AC) charging: 11 kW; 11 kW
Charging plug: Type 2 CCS; Type 2 CCS
Vehicle-to-load (V2L): Yes; Yes
Vehicle-to-home (V2H): No; No
Vehicle-to-grid (V2G): No; No

Battery

Usable battery: 82.5 kWh; 96.5 kWh (best)
Battery chemistry: LFP (lithium iron phosphate); NCM (nickel manganese cobalt)
Heat pump: Yes; Yes

Body and performance

Body style: SUV; SUV
Size class: D · Large car; D · Large car
Seats: 5; 5
Drive: Rear-wheel drive; Rear-wheel drive
0–62 mph: 6.7 s0–100 km/h; 5.4 s (best)0–100 km/h
Weight: 2,300 kg; 2,395 kg

Size

Length: 4.83 m15 ft 10 in; 4.90 m16 ft 1 in
Width (without mirrors): 1.93 m6 ft 4 in; 1.99 m6 ft 6 in
Width with mirrors: 2.19 m7 ft 2 in; –
Height: 1.62 m5 ft 4 in; 1.67 m5 ft 6 in
Wheelbase: 2.93 m9 ft 7 in; 2.95 m9 ft 8 in

Practicality and safety

Boot space: 578 litres; 697 litres (best)
Towbar available: Yes; Yes
Towing (braked): 750 kg; 1,500 kg (best)
Max payload: 410 kgpeople and luggage; 451 kg (best)people and luggage
Euro NCAP rating: 5 stars; 5 stars

Warranty (UK)

Car warranty: 6 years93,750 miles; 7 years (best)80,000 miles
Battery warranty: 8 years (best)125,000 miles; 7 years80,000 miles, 70% capacity
Passes to next owner: Yes, with conditions; Yes

Availability

Status: On sale new; On sale new
Model years: 2024 on; 2025 on

Green marks the better figure in each row. Range is a real-world estimate, not WLTP. Used prices are estimates. Warranty terms are UK terms from each maker’s website.