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Audi A6 Avant vs Audi A5 Sportback comparison

Compare performance (367 HP vs 639 HP), boot space and price (49,700 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Audi A5 Sportback?

Audi A6 Avant vs Audi A5 Sportback: Key differences

Audi A6 Avant

  • visibly more trunk space
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Audi A5 Sportback

  • clearly cheaper
  • clearly more power
  • somewhat more efficient
  • barely more electric range
  • noticeably quicker 0–100 km/h
  • barely lighter
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By Achim Sedelmaier

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

A6 Avant

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A5 Sportback is clearly cheaper – starting at 40,200 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 9,514 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is somewhat more efficient than the Audi A6 Avant with 2.3 L/100km. The difference is about 0.3 L/100km.

As for electric range, the Audi A5 Sportback offers barely more range – reaching up to 110 km, about 9 km more than the Audi A6 Avant.

A5 Sportback

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 A5 Sportback offers clearly more power – delivering 639 HP compared to 367 HP. That’s roughly 272 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is noticeably quicker – completing the sprint in 3.7 s, while the Audi A6 Avant takes 4.7 s. That’s about 1 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers clearly more torque with 825 Nm compared to 580 Nm. That’s about 245 Nm more.

A6 Avant

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A5 Sportback is barely lighter – 1,770 kg compared to 1,865 kg. The difference is around 95 kg.

Looking at boot space, the Audi A6 Avant offers visibly more boot space – 503 L compared to 331 L. That’s a difference of about 172 L.

When it comes to payload, the Audi A6 Avant carries only slightly more – 570 kg compared to 530 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Audi A5 Sportback stands well ahead of its rival 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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Reviews Audi A6 Avant

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Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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Frequently compared as well

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Audi A5 Sportback
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In a head-to-head comparison, the Audi A5 Sportback impresses with its sleek design and performance-oriented features, appealing to those who value a blend of luxury and sportiness. Meanwhile, the VW Passat offers a more practical approach, prioritizing spaciousness and comfort for families and …
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Audi A6 Avant
Audi A5 Sportback

Costs and Consumption
Price
49,700 - 70,200 £
Price
40,200 - 91,000 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
2 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
84 - 110 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
45 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
1,770 - 2,430 kg
Trunk capacity
404 - 503 L
Trunk capacity
331 L
Length
-
Length
-
Width
1,875 mm
Width
1,860 - 1,952 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
475 - 530 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
204 - 367 HP
Power HP
150 - 639 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
280 - 825 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
150 - 270 kW
Power kW
110 - 470 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
B, E, F, D
Brand
Audi
Brand
Audi
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with Front-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.