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BYD Sealion 7 vs Hyundai IONIQ 5 N
Selected trimComfortChange trim300 mi · 82.5 kWh · £44,990
Selected trimStandard278 mi · 84 kWh · £65,800
At a glance
In this comparison, BYD Sealion 7 leads on value for money and family practicality, while the Hyundai IONIQ 5 N leads on motorway range and charging speed.
Which should you choose?
Choose the BYD Sealion 7 if...
- you want the most for your money - best overall spec per pound
- you need the most family-friendly option with good safety and space
Choose the Hyundai IONIQ 5 N if...
- you do long motorway journeys - it has the best estimated real-world range at speed
- you need the fastest charging of these options
How we reached the recommendation
Verdict
Our take
The Hyundai IONIQ 5 N leads in the most categories, but each car here has its strengths.
ValueBYD
BYD
6
Hyundai
4.8
Motorway RangeHyundai
BYD
3.1
Hyundai
3.6
FamilyBYD
BYD
8
Hyundai
7.4
ChargingHyundai
BYD
5.9
Hyundai
7.4
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Hyundai IONIQ 5 N
Base
- 90 kW faster rapid charging
- 248 kW more power
- 3.3s quicker 0-62 mph
- 850 kg more towing capacity
Key specifications
Compare the key specifications for your selected trims.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Price | £44,990 (better) | £65,800 |
| Official range | 300 miles (better) | 278 miles |
| Boot space | 520 L (better) | 480 L |
| 10-80% rapid charge | 24 min (better) | 27 min |
| 0-62 mph | 6.7 sec | 3.4 sec (better) |
Size Comparison
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BYD Sealion 7
Hyundai IONIQ 5 N
Length
BYD Sealion 74,830mm
Hyundai IONIQ 5 N4,715mm-115mm
Width
BYD Sealion 71,925mm-15mm
Hyundai IONIQ 5 N1,940mm
Height
BYD Sealion 71,620mm
Hyundai IONIQ 5 N1,585mm-35mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Length | 4,830 mm | 4,715 mm |
| Width (mirrors folded) | 1,925 mm (better) | 1,940 mm |
| Width with mirrors out | 2,189 mm | 2,170 mm (better) |
| Height | 1,620 mm | 1,585 mm |
| Turning circle | 11.7 m (better) | 12 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 475 mm spare (better) | 460 mm spare |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Seats | 5 | 5 |
| Boot space (seats up) | 520 L (better) | 480 L |
| Boot space (seats down) | 1789 L (better) | 1587 L |
| Frunk | 58 L (better) | 57 L |
| Towing capacity (braked) | 750 kg | 1,600 kg (better) |
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.
Hyundai IONIQ 5 N
- Peak DC charging of 240 kW, faster than 80% of SUVs in our catalogue.
- 3,000 mm wheelbase, longer than 90% of SUVs we track.
Full specifications
| Specification |  BYD Sealion 7 Comfort |  Hyundai IONIQ 5 N Base |
|---|---|---|
| Dimensions | ||
| Length | 4.83m | 4.71m-115mm |
| Width | 1.93m | 1.94m+15mm |
| Width (mirrors) | 2.19m | 2.17m-19mm |
| Height | 1.62m | 1.58m-35mm |
| Wheelbase | 2.93m | 3.00m+70mm |
| Ground Clearance | 157mm | Not available |
| Capacity | ||
| Boot (seats up) | 520L (better) | 480L |
| Boot (seats down) | 1789L (better) | 1587L |
| Frunk | 58L (better) | 57L |
| Seats | 5 | 5 |
| Practicality | ||
| Turning Circle | 11.7m (better) | 12m |
| Kerb Weight | 2,225kg (better) | 2,234kg |
| Towing Capacity | 750kg | 1,600kg (better) |
| Electric | ||
| Battery | 82.5kWh | 84kWh (better) |
| Range (WLTP) | 300 mi (better) | 278 mi |
| Max DC Charge | 150kW | 240kW (better) |
| Pricing | ||
| UK MSRP | £44,990 (better) | £65,800 |
| Details | ||
| Body Style | SUV | SUV |
| Available | 2025+ | 2024+ |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Official range (WLTP) | 300 miles (better) | 278 miles |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 204 miles | 232 miles (better) |
| 10-80% rapid charge time | 24 min (better) | 27 min |
| Max rapid charge rate | 150 kW | 240 kW (better) |
| Home AC charging | 11 kW | 11 kW |
| Energy consumption | 199 Wh/km | Not available |
| Usable battery capacity | 82.5 kWh | 84 kWh (better) |
| Battery chemistry | LFP | NCMA |
| Battery architecture | Not available | 800V |
| Heat pump | Standard | Not available |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| 0-62 mph | 6.7 sec | 3.4 sec (better) |
| Power | 230 kW | 478 kW (better) |
| Torque | 380 Nm | 770 Nm (better) |
| Drivetrain | RWD | AWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
BYD Sealion 7
Comfort
6.6/10
average across 6 reviews
- Parkers3.9/5
- Auto Express3.5/5
- Electrifying.com7/10
Hyundai IONIQ 5 N
Base
Watch the reviews
Watch selected video reviews here, or visit each model page for the full collection.
BYD Sealion 7
All 3 videos
Reviews and videos discuss each model overall; the specifications above apply to your selected trims.
Prices & deals
New and used prices
Current pricing and recent used-market behaviour.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Used market price from | £30,211 | £44,236 |
| Average used price | £30,993 | £47,731 |
| Saving vs RRP | £13,997 below new | £18,069 below new |
| Recent used-price trend | Up 11.3% over ~6 months | Up 4.5% over ~6 months |
Used prices are indicative figures gathered from independent UK dealer listings and change frequently.
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 - Hyundai IONIQ 5 N Base
Tested 2021
Adult Occupant88%
Child Occupant86%
Vulnerable Road Users63%
Safety Assist88%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | BYD Sealion 7Comfort | Hyundai IONIQ 5 NBase |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 250,000 km (better) | 160,934 km |
Buying options
Get a quote
BYD Sealion 7
Used on AutoTraderLease deals
Hyundai IONIQ 5 N
Used on AutoTraderLease deals
Frequently asked questions
Is the Hyundai IONIQ 5 N worth the extra £20,810 over the BYD Sealion 7?
The Hyundai IONIQ 5 N costs £20,810 more than the BYD Sealion 7. For that premium it adds 90 kW faster peak rapid charging, 248 kW more power and a 3.3s quicker 0-62mph time. On EVcarsguide's combined category scores, the Hyundai IONIQ 5 N comes out ahead overall.
Which is cheaper to own over 5 years, the BYD Sealion 7 or the Hyundai IONIQ 5 N?
The BYD Sealion 7 is £20,810 cheaper to buy. Running costs are almost identical - about £208 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD Sealion 7 comes out roughly £20,770 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 Hyundai IONIQ 5 N like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 204 miles for the BYD Sealion 7 and 232 miles for the Hyundai IONIQ 5 N - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Hyundai IONIQ 5 N goes roughly 28 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 24-27 minutes.
Which is easier to park and drive in town, the BYD Sealion 7 or the Hyundai IONIQ 5 N?
The two are within 15 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 475 mm of total clearance for the BYD Sealion 7 and about 460 mm of total clearance for the Hyundai IONIQ 5 N. The BYD Sealion 7 also turns in a 0.3 m tighter circle, which helps with U-turns and multi-storey ramps.
Which battery will hold up better as a used buy, the BYD Sealion 7 or the Hyundai IONIQ 5 N?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 90% battery health for the BYD Sealion 7 and 89% for the Hyundai IONIQ 5 N. That is close enough that capacity loss should not decide between them. The BYD Sealion 7's LFP-type pack tolerates daily 100% charging, while the Hyundai IONIQ 5 N's NMC-type pack lasts longest kept to about 80% for everyday use. Both batteries carry a 8-year manufacturer warranty.
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.
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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 Hyundai IONIQ 5 N rank among the best family EVsWhere the BYD Sealion 7 and Hyundai IONIQ 5 N rank among the best electric SUVsWhere the BYD Sealion 7 and Hyundai IONIQ 5 N rank among the best motorway EVsWhere the BYD Sealion 7 and Hyundai IONIQ 5 N rank among the best city EVsWhere the BYD Sealion 7 and Hyundai IONIQ 5 N rank among the cheapest EVs to runWhere the BYD Sealion 7 and Hyundai IONIQ 5 N 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 Hyundai IONIQ 5 N (2024 on): Range, Tyres, Recalls & What to Pay
A used Hyundai IONIQ 5 N buyer’s guide: what makes it different from the IONIQ 5, real-world range, tyre and brake costs, recalls, the 5-year warranty, what to pay and a printable checklist.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .