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Audi A6 e-tron Avant vs BYD Dolphin Surf comparison

Compare performance (551 HP vs 156 HP), boot space and price (55,200 £ vs 19,700 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or BYD Dolphin Surf?

Audi A6 e-tron Avant vs BYD Dolphin Surf: Key differences

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • significantly more power
  • very slightly more efficient
  • considerably more electric range
  • considerably quicker 0–100 km/h
  • markedly more trunk space
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BYD Dolphin Surf

4.4 (1 Reviews)
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  • considerably cheaper
  • considerably lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

A6 e-tron Avant

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BYD Dolphin Surf is considerably cheaper – starting at 19,700 £ , while the Audi A6 e-tron Avant costs 55,200 £ . That’s a price difference of around 35,537 £.

In terms of energy consumption, the Audi A6 e-tron Avant is very slightly more efficient: consuming 14.8 kWh/100km compared to 15.5 kWh/100km for the BYD Dolphin Surf. That’s a difference of about 0.7 kWh/100km.

As for electric range, the Audi A6 e-tron Avant offers considerably more range – reaching up to 716 km, about 394 km more than the BYD Dolphin Surf.

Dolphin Surf

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A6 e-tron Avant offers significantly more power – delivering 551 HP compared to 156 HP. That’s roughly 395 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Avant is considerably quicker – completing the sprint in 3.9 s, while the BYD Dolphin Surf takes 9.1 s. That’s about 5.2 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Avant delivers considerably more torque with 855 Nm compared to 220 Nm. That’s about 635 Nm more.

A6 e-tron Avant

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A6 e-tron Avant offers more seats – 5 vs 4.

In terms of curb weight, BYD Dolphin Surf is considerably lighter – 1,294 kg compared to 2,185 kg. The difference is around 891 kg.

Looking at boot space, the Audi A6 e-tron Avant offers markedly more boot space – 502 L compared to 308 L. That’s a difference of about 194 L.

When it comes to payload, the Audi A6 e-tron Avant carries visibly more – 500 kg compared to 344 kg. That’s a difference of about 156 kg.

Who wins the race in the data check?

The Audi A6 e-tron Avant holds a decisive overall lead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 326 - 551 HP
  • Consumption kWh/100km 14.8 - 17 kWh/100km
  • Electric Range 539 - 716 km
details

Frequently compared as well

BYD Dolphin Surf
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The BYD Dolphin Surf and the MG4 Urban are compact electric hatchbacks that target buyers who want a practical, tech-rich EV without blowing the budget. This comparison focuses on range, performance, interior space, and value to help you pick the better fit for daily driving and city life.
BYD Dolphin
BYD Dolphin Surf
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The BYD Dolphin and the sportier Dolphin Surf share the same efficient electric bones, but the Surf adds visual muscle, slightly firmer suspension and sharper steering for anyone craving a bit more attitude. Inside they’re twins — clever packaging, roomy rear seats and a useful boot — so the Surf’s …
Audi A6 e-tron Avant
BYD Dolphin Surf

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
rate

No reviews yet. Share your experience and help others decide.

BYD Dolphin Surf

The BYD Dolphin Surf is an intriguing model that combines sleek design with modern electric technology, making it an appealing choice for urban commuters seeking sustainability and style. Its dynamic exterior design is complemented by an interior that prioritizes comfort and functionality, reflecting the brand's commitment to innovation. The model also offers impressive handling and a smooth driving experience, embodying the shift towards eco-friendly transportation.

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BYD_Dolphin_Surf__251_UK05BYD
BYD_Dolphin_Surf__205-1
BYD_Dolphin_Surf__195

Reviews BYD Dolphin Surf

4.4 (1 Reviews)
rate
Dieter Schönrock
9 Jun 2026, 07:04:54

The Dolphin Surf is especially appealing because of the entry height and the low step-in. The amount of space is very good. It's a pity it has no towing capacity — around 500–600 kg would be great. The Dolphin Surf is better suited for older people than the R5.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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The Hyundai Inster and the BYD Dolphin Surf are two fresh contenders in the compact car segment, each taking a different approach to styling, technology and everyday practicality. This comparison will highlight the key differences in comfort, efficiency, driving feel and value so you can pick the …
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The Audi A6 e-tron Avant and the VW ID.7 Touring are two electric estate cars aimed at buyers who want long-range practicality with the feel of a traditional wagon, but they take different approaches to luxury, technology and driving character. The Audi leans on premium materials, sharper dynamics …
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The Audi A6 e-tron Avant and the Audi Q6 e-tron bring electric power to two distinct Audi philosophies: the Avant offers a low, aerodynamic touring wagon focused on efficiency and luggage capacity, while the Q6 e-tron is a higher-riding SUV that emphasizes space, visibility and everyday …
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Audi A6 e-tron Avant
BYD Dolphin Surf

Costs and Consumption
Price
55,200 - 100,100 £
Price
19,700 - 26,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
15.5 - 16 kWh/100km
Electric Range
539 - 716 km
Electric Range
220 - 322 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Hatchback
Seats
5
Seats
4
Doors
5
Doors
-
Curb weight
2,185 - 2,410 kg
Curb weight
1,294 - 1,390 kg
Trunk capacity
502 L
Trunk capacity
308 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,720 mm
Height
1,504 - 1,527 mm
Height
-
Max trunk capacity
1,422 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
344 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
326 - 551 HP
Power HP
88 - 156 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
9.1 - 12.1 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
175 - 220 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
65 - 115 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
BYD
What drivetrain options does the Audi A6 e-tron Avant have?

The Audi A6 e-tron Avant is available as Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.