PlainEV

BYD Dolphin Surf vs Hyundai Ioniq 3

· Real-world figures, not WLTP

BYD Dolphin Surf
Photo: User3204, CC BY-SA 4.0

BYD Dolphin Surf

DOLPHIN SURF 30 kWh Active

£18,650 · 118 mi

Wins 2 of 17

Hyundai Ioniq 3
Photo: AutoGids, CC BY 3.0

Hyundai Ioniq 3

IONIQ 3 42.2 kWh (MY27)

£18,495 · 165 mi

Wins 15 of 17

Our verdict

The BYD Dolphin Surf and Hyundai Ioniq 3 are both electric hatchbacks in the small car class. The BYD Dolphin Surf starts at £18,650 in the UK and the Hyundai Ioniq 3 at £18,495, comparing the cheapest version of each.

The Dolphin Surf has the longer warranty (6 years against 5).

The Ioniq 3 goes further, with about 165 miles of real-world range against 118 for the Dolphin Surf. On top of that, it charges faster on a rapid charger (60 kW against 45 kW on average, 10–80%), has the bigger boot (441 litres against 308) and is quicker, doing 0–62 mph in 8.8 s against 11.1 s.

There's little between them on price and efficiency.

Choose the BYD Dolphin Surf if you want a longer warranty and the Hyundai Ioniq 3 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 Dolphin SurfHyundai Ioniq 3

Price

Price new
£18,650on sale now
£18,495 (best)on sale now
Used from (estimated)
£10,6002025 car
–too new
Price per mile of range
£158
£112 (best)

Range and efficiency

Real-world range
118 mi190 km, estimate
165 mi (best)265 km, estimate
Range today, used (estimated)
about 116 mi2025 car, est.
–
Efficiency
3.9 mi/kWh158 Wh/km, estimate
4.0 mi/kWh (best)155 Wh/km, estimate
Range with one 15-min stop
124 mi199 km
184 mi (best)296 km

Charging

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

Battery

Usable battery
30 kWh
41 kWh (best)estimate
Battery chemistry
LFP (lithium iron phosphate)
LFP (lithium iron phosphate)
Heat pump
Yes
Yes

Body and performance

Body style
Hatchback
Hatchback
Size class
B · Small car
B · Small car
Seats
4
5 (best)
Drive
Front-wheel drive
Front-wheel drive
0–62 mph
11.1 s0–100 km/h
8.8 s (best)0–100 km/h
Weight
1,369 kg
1,550 kg

Size

Length
3.99 m13 ft 1 in
4.16 m13 ft 8 in
Width (without mirrors)
1.72 m5 ft 8 in
1.80 m5 ft 11 in
Width with mirrors
1.97 m6 ft 6 in
2.10 m6 ft 11 in
Height
1.59 m5 ft 3 in
1.51 m4 ft 11 in
Wheelbase
2.50 m8 ft 2 in
2.68 m8 ft 10 in

Practicality and safety

Boot space
308 litres
441 litres (best)
Towbar available
Yes
Yes
Towing (braked)
Not approved
750 kg (best)
Max payload
344 kgpeople and luggage
615 kg (best)people and luggage
Euro NCAP rating
5 stars
–not tested yet

Warranty (UK)

Car warranty
6 years (best)93,750 miles
5 yearsunlimited miles
Battery warranty
8 years (best)125,000 miles
8 years100,000 miles, 70% capacity
Passes to next owner
Yes, with conditions
Yes

Availability

Status
On sale new
On sale new
Model years
2025 on
2026 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.

Every version

BYD Dolphin Surf

Hyundai Ioniq 3