PlainEV

Audi A2 e-tron vs BYD Dolphin

· Real-world figures, not WLTP

the A2 e-tron concept car that previewed it
Photo shows the A2 e-tron concept car that previewed it.Photo: Autoviva, CC BY 2.0

Audi A2 e-tron

A2 e-tron 125 kW - 50 kWh (MY27)

£30,700 · 202 mi

Wins 7 of 14

BYD Dolphin
Photo: User3204, CC BY-SA 4.0

BYD Dolphin

DOLPHIN 60.4 kWh (MY25)

£30,205 · 217 mi

Wins 7 of 14

Our verdict

The Audi A2 e-tron and BYD Dolphin are both electric hatchbacks in the medium car class. The Audi A2 e-tron starts at £30,700 in the UK and the BYD Dolphin at £30,205, comparing the cheapest version of each.

The A2 e-tron charges faster on a rapid charger (90 kW against 75 kW on average, 10–80%). On top of that, it uses less energy (4.0 mi/kWh against 3.6 mi/kWh) and has the bigger boot (409 litres against 345).

The Dolphin goes further, with about 217 miles of real-world range against 202 for the A2 e-tron. On top of that, it is quicker, doing 0–62 mph in 7.0 s against 8.8 s and has the longer warranty (6 years against 3).

There's little between them on price.

Choose the Audi A2 e-tron if you want quicker charging stops and lower running costs and the BYD Dolphin if you want the longest range and more performance.

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

Audi A2 e-tronBYD Dolphin

Price

Price new
£30,700on sale now
£30,205 (best)on sale now
Used from (estimated)
–too new
£17,2002025 car
Price per mile of range
£152
£139 (best)

Range and efficiency

Real-world range
202 mi325 km, estimate
217 mi (best)350 km, estimate
Range today, used (estimated)
–
about 213 mi2025 car, est.
Efficiency
4.0 mi/kWh (best)154 Wh/km, estimate
3.6 mi/kWh173 Wh/km, estimate
Range with one 15-min stop
221 mi (best)355 km
220 mi354 km

Charging

Rapid charging
90 kW (best)10–80% average
75 kW10–80% 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)
Yes (best)
No
Vehicle-to-grid (V2G)
No
No

Battery

Usable battery
50 kWh
60.48 kWh (best)
Battery chemistry
LFP (lithium iron phosphate)
LFP (lithium iron phosphate)
Heat pump
Yes
Yes

Body and performance

Body style
Hatchback
Hatchback
Size class
C · Medium car
C · Medium car
Seats
5
5
Drive
Rear-wheel drive
Front-wheel drive
0–62 mph
8.8 s0–100 km/h
7.0 s (best)0–100 km/h
Weight
1,915 kg
1,733 kg

Size

Length
4.32 m14 ft 2 in
4.29 m14 ft 1 in
Width (without mirrors)
1.79 m5 ft 10 in
1.77 m5 ft 10 in
Width with mirrors
2.04 m6 ft 8 in
2.01 m6 ft 7 in
Height
1.58 m5 ft 2 in
1.57 m5 ft 2 in
Wheelbase
2.77 m9 ft 1 in
2.70 m8 ft 10 in

Practicality and safety

Boot space
409 litres (best)
345 litres
Towbar available
Yes
Yes
Towing (braked)
1,600 kg (best)
Not approved
Max payload
560 kg (best)people and luggage
410 kgpeople and luggage
Euro NCAP rating
–not tested yet
5 stars

Warranty (UK)

Car warranty
3 years60,000 miles
6 years (best)93,750 miles
Battery warranty
8 years100,000 miles, 70% capacity
8 years (best)125,000 miles
Passes to next owner
Yes
Yes, with conditions

Availability

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

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

Audi A2 e-tron

BYD Dolphin