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BYD Sealion 7 vs Nissan ARIYA
Selected trimComfortChange trim300 mi · 82.5 kWh · £44,990
At a glance
In this comparison, BYD Sealion 7 leads on family practicality and charging speed, while the Nissan ARIYA leads on motorway range, running costs and city driving.
Best value
Too close to call
Range & charging
Too close to call
Practicality
Too close to call
Which should you choose?
Choose the BYD Sealion 7 if...
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
Choose the Nissan ARIYA if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you want the lowest running costs - from just 2.1p per mile on off-peak electricity
- you need the best car for city driving and tight parking
How we reached the recommendation
Verdict
Our take
The Nissan ARIYA leads in the most categories, but each car here has its strengths.
Value
BYD
6
Nissan
5.8
Too close to call
Motorway RangeNissan
BYD
3.1
Nissan
4.3
FamilyBYD
BYD
8
Nissan
6.9
ChargingBYD
BYD
5.9
Nissan
2.8
Cost Per MileNissan
BYD
0.8
Nissan
4.6
City DrivingNissan
BYD
2.2
Nissan
4.7
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Key specifications
Compare the key specifications for your selected trims.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| Price | £44,990 | £37,000 (better) |
| Official range | 300 miles (better) | 250 miles |
| Boot space | 520 L (better) | 466 L |
| 10-80% rapid charge | 24 min (better) | 30 min |
| 0-62 mph | 6.7 sec (better) | 7.5 sec |
Size Comparison
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BYD Sealion 7
Nissan ARIYA
Length
BYD Sealion 74,830mm
Nissan ARIYA4,595mm-235mm
Width
BYD Sealion 71,925mm
Nissan ARIYA1,850mm-75mm
Height
BYD Sealion 71,620mm-40mm
Nissan ARIYA1,660mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| Length | 4,830 mm | 4,595 mm |
| Width (mirrors folded) | 1,925 mm | 1,850 mm (better) |
| Width with mirrors out | 2,189 mm | 2,172 mm (better) |
| Height | 1,620 mm | 1,660 mm |
| Turning circle | 11.7 m | 11.5 m (better) |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 475 mm spare | 550 mm spare (better) |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 520 L (better) | 466 L |
| Boot space (seats down) | 1789 L (better) | 1350 L |
| Frunk | 58 L | Not available |
| Towing capacity (braked) | 750 kg | 750 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
BYD Sealion 7
- One of 33 of 232 UK EVs in our catalogue with V2L (vehicle-to-load) support.
- At 4,830 mm, longer than 80% of SUVs we track.
Nissan ARIYA
Not enough peers to make confident percentile claims.
Full specifications
| Specification |  BYD Sealion 7 Comfort |  Nissan ARIYA Engage+ 63kWh |
|---|---|---|
| Dimensions | ||
| Length | 4.83m | 4.59m-235mm |
| Width | 1.93m | 1.85m-75mm |
| Width (mirrors) | 2.19m | 2.17m-17mm |
| Height | 1.62m | 1.66m+40mm |
| Wheelbase | 2.93m | 2.77m-155mm |
| Ground Clearance | 157mm | Not available |
| Capacity | ||
| Boot (seats up) | 520L (better) | 466L |
| Boot (seats down) | 1789L (better) | 1350L |
| Frunk | 58L | Not available |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 11.7m | 11.5m (better) |
| Kerb Weight | 2,225kg | 1,917kg (better) |
| Towing Capacity | 750kg | 750kg |
| Electric | ||
| Battery | 82.5kWh (better) | 63kWh |
| Range (WLTP) | 300 mi (better) | 250 mi |
| Max DC Charge | 150kW (better) | 130kW |
| Pricing | ||
| UK MSRP | £44,990 | £37,000 (better) |
| Price after EV grant | £44,990 (not eligible) | £35,500 (-£1,500) |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2025+ | 2026+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| Official range (WLTP) | 300 miles (better) | 250 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 204 miles | 209 miles (better) |
| 10-80% rapid charge time | 24 min (better) | 30 min |
| Max rapid charge rate | 150 kW (better) | 130 kW |
| Home AC charging | 11 kW (better) | 7 kW |
| Energy consumption | 199 Wh/km | Not available |
| Usable battery capacity | 82.5 kWh (better) | 63 kWh |
| Battery chemistry | LFP | NMC |
| Heat pump | Standard | Not available |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| 0-62 mph | 6.7 sec (better) | 7.5 sec |
| Power | 230 kW (better) | 160 kW |
| Torque | 380 Nm (better) | 300 Nm |
| Drivetrain | RWD | FWD |
What the critics say
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.
BYD Sealion 7
Comfort
6.6/10
average across 6 reviews
- Parkers3.9/5
- Auto Express3.5/5
- Electrifying.com7/10
Nissan ARIYA
Engage+ 63kWh
No critic reviews gathered yet for this car.
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 - BYD Sealion 7 Comfort
Tested 2025
Adult Occupant87%
Child Occupant93%
Vulnerable Road Users76%
Safety Assist79%
Full result on euroncap.com (opens in new tab)
Euro NCAP - Nissan ARIYA Engage+ 63kWh
Tested 2022
Adult Occupant86%
Child Occupant89%
Vulnerable Road Users74%
Safety Assist93%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | BYD Sealion 7Comfort | Nissan ARIYAEngage+ 63kWh |
|---|---|---|
| Battery warranty | 8 years | Not available |
| Battery warranty distance | 250,000 km | Not available |
Buying options
Get a quote
BYD Sealion 7
Used on AutoTraderLease deals
Nissan ARIYA
Used on AutoTraderLease deals
Frequently asked questions
Is the BYD Sealion 7 worth the extra £7,990 over the Nissan ARIYA?
The BYD Sealion 7 costs £7,990 more than the Nissan ARIYA. For that premium it adds 50 miles more WLTP range, 54 litres more boot space and 70 kW more power. On EVcarsguide's combined category scores, the Nissan ARIYA comes out ahead overall.
Which is cheaper to own over 5 years, the BYD Sealion 7 or the Nissan ARIYA?
The Nissan ARIYA is £7,990 cheaper to buy. The Nissan ARIYA is cheaper to charge, roughly £168 a year versus £216 for the BYD Sealion 7, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Nissan ARIYA comes out roughly £8,230 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the BYD Sealion 7 and Nissan ARIYA like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 204 miles for the BYD Sealion 7 and 209 miles for the Nissan ARIYA - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV. Both rapid-charge to 80% in a similar time, around 24-30 minutes.
Which is easier to park and drive in town, the BYD Sealion 7 or the Nissan ARIYA?
The Nissan ARIYA is the easier car for tight UK car parks: it is 75 mm narrower than the BYD Sealion 7. In a standard 2,400 mm bay that leaves about 550 mm of total clearance for the Nissan ARIYA and about 475 mm of total clearance for the BYD Sealion 7.
Which battery will hold up better as a used buy, the BYD Sealion 7 or the Nissan ARIYA?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 90% battery health for the BYD Sealion 7 and 84% for the Nissan ARIYA. That gives the BYD Sealion 7 a modest edge in retained real-world range. The BYD Sealion 7's LFP-type pack tolerates daily 100% charging, while the Nissan ARIYA's NMC-type pack lasts longest kept to about 80% for everyday use.
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 BYD Sealion 7 comparisons
More Nissan ARIYA 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 BYD Sealion 7 and Nissan ARIYA rank among the best family EVsWhere the BYD Sealion 7 and Nissan ARIYA rank among the best electric SUVsWhere the BYD Sealion 7 and Nissan ARIYA rank among the best motorway EVsWhere the BYD Sealion 7 and Nissan ARIYA rank among the best city EVsWhere the BYD Sealion 7 and Nissan ARIYA rank among the cheapest EVs to runWhere the BYD Sealion 7 and Nissan ARIYA rank among EVs with the biggest boots
If neither is quite right
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Further reading
Explore buying and ownership guides to help you choose between these electric cars.
GuideBuying a Used BYD Sealion 7 (2025 on): Comfort, Design or Excellence & What to Pay
A used BYD Sealion 7 buyer’s guide: Comfort RWD, Design AWD and Excellence AWD, the steep depreciation, BYD’s 8-year battery warranty, charging speeds, real-world range, what owners report and a printable checklist.
GuideBuying a Used Nissan Ariya (2022 on): 63 or 87 kWh, e-4ORCE, Motor Recalls, Range & What to Check
A used Nissan Ariya buyer’s guide: 63 vs 87 kWh, two-wheel drive vs e-4ORCE and Nismo, the motor and inverter recalls, 12-volt battery problems, warranty left, real-world range, what to pay vs a new one with the grant, and a printable checklist.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .