Quick Verdict
The BYD Sealion 7 is BYD’s most direct challenge to the Tesla Model Y and Kia EV6. It offers up to 323 miles of WLTP range (RWD), 150 kW fast charging, and a spacious family-ready interior at a price that undercuts many direct rivals. If you’re shopping in the family electric SUV segment, the Sealion 7 deserves serious consideration.
Best for: Families wanting a large electric SUV with class-competitive range, strong charging capability, and a value edge over the Tesla Model Y.
Key Specs
| Spec | Sealion 7 Design RWD | Sealion 7 Excellence AWD |
|---|---|---|
| UK price | £44,695 | £48,695 |
| Battery | 82.56 kWh | 82.56 kWh |
| WLTP range | 323 miles | 305 miles |
| Power | 308 bhp | 523 bhp |
| 0–62 mph | 6.7 sec | 4.5 sec |
| Max DC charge | 150 kW | 150 kW |
| DC time (10–80%) | ~26 min | ~26 min |
| AC charge | 11 kW | 11 kW |
| Boot space | 520 L | 520 L |
Pros and Cons
Pros
- Excellent WLTP range, especially on RWD
- 150 kW DC fast charging — same as Seal
- Spacious interior with genuinely usable rear cabin
- 520-litre boot — family-practical
- Blade Battery LFP chemistry
- 6-year/150,000-mile warranty
- Strong safety equipment
Cons
- No 7-seat option (unlike some rivals)
- Smaller front storage vs Tesla Model Y’s frunk
- Heavier than RWD rivals affects motorway efficiency
- Dealer network still expanding in many regions
- Infotainment software lags behind Tesla and Hyundai/Kia
Trim Levels
Sealion 7 Design (RWD) — £44,695
- 82.56 kWh Blade Battery
- Single rear motor, 308 bhp
- 15.6-inch touchscreen (non-rotating)
- 12.3-inch digital driver display
- Heated front and rear seats
- 20-inch alloys
- 360-degree camera
- Heat pump
Sealion 7 Excellence (AWD) — £48,695
- Dual motor all-wheel drive, 523 bhp
- 0–62 mph in 4.5 seconds
- 21-inch alloys
- Memory electric front seats
- Ventilated front seats
- Upgraded audio
Real-World Range
- Motorway at 70 mph: 225–260 miles (RWD)
- Mixed urban/rural: 265–300 miles (RWD)
- Urban/city: 300–330 miles (RWD)
The AWD version uses more energy due to the additional front motor weight, returning approximately 10–15% less range in real conditions. For long-distance motorway driving, the RWD is significantly more efficient.
Charging
At 150 kW peak DC, the Sealion 7 matches the Seal for charging speed. A 10–80% charge takes around 26 minutes on a suitable rapid charger, putting 200+ miles back into range.
The Sealion 7 uses CCS. Compatible with Gridserve, Osprey, Pod Point DC, Osprey, Fastned and other major networks.
Home charging at 11 kW AC from 20% to 100% takes approximately 7–8 hours.
Interior and Technology
The Sealion 7 is roomier than it looks from outside. The wheelbase supports genuinely comfortable five-person travel:
- Front: Well-positioned seats, good visibility, logical layout
- Rear: Excellent knee and legroom, flat floor, rear climate controls
- Boot: 520 L — comparable to Kia EV6, slightly behind Tesla Model Y’s 854 L (but Model Y has a rear hatch advantage)
- Infotainment: 15.6-inch touchscreen, responsive, Android-based DiLink system
- Wireless charging: Two-phone wireless pad on Excellence
Safety
5-star Euro NCAP rating. Includes:
- AEB with junction assist
- Adaptive cruise control with lane centring
- Blind-spot monitoring
- Rear cross-traffic alert
- Driver fatigue monitoring
- Speed sign recognition
Best Alternatives
- Tesla Model Y — larger boot, Supercharger network, stronger OTA updates, higher price
- Kia EV6 — V2L capability, strong warranty, excellent build quality
- Hyundai Ioniq 5 — iconic design, V2L, ultra-fast 800V charging on some versions
- Volkswagen ID.4 — established EV, good dealer network, slightly less range
Verdict
The BYD Sealion 7 is a strong all-rounder in the family electric SUV segment. It undercuts the Tesla Model Y on price while offering comparable range and superior charging speed to many rivals. The interior is spacious and well-equipped. If you can overlook the smaller dealer network and less mature software ecosystem, the Sealion 7 represents exceptional value — particularly the RWD Design trim.