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Audi A6 Avant vs BMW 3 Series Saloon comparison

Compare performance (367 HP vs 530 HP), boot space and price (49,700 £ vs 39,900 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW 3 Series Saloon?

Audi A6 Avant vs BMW 3 Series Saloon: Key differences

Audi A6 Avant

  • very slightly more efficient
  • very slightly more trunk space
details

BMW 3 Series Saloon

  • clearly cheaper
  • visibly more power
  • clearly quicker 0–100 km/h
  • moderately 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.

BMW 3 Series Saloon is clearly cheaper – starting at 39,900 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 9,772 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is very slightly more efficient than the BMW 3 Series Saloon with 2.4 L/100km. The difference is about 0.1 L/100km.

The electric range is almost identical – both manage about 101 km on a single charge.

3 Series Saloon

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 BMW 3 Series Saloon offers visibly more power – delivering 530 HP compared to 367 HP. That’s roughly 163 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 3 Series Saloon is clearly quicker – completing the sprint in 3.5 s, while the Audi A6 Avant takes 4.7 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the BMW 3 Series Saloon delivers slightly more torque with 700 Nm compared to 580 Nm. That’s about 120 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, BMW 3 Series Saloon is moderately lighter – 1,575 kg compared to 1,865 kg. The difference is around 290 kg.

Looking at boot space, the Audi A6 Avant offers very slightly more boot space – 503 L compared to 480 L. That’s a difference of about 23 L.

When it comes to payload, the Audi A6 Avant carries slightly more – 570 kg compared to 495 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon is decisively ahead 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 £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic, Manuel
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 150 - 530 HP
  • Consumption L/100km : 2.4 - 10.1 L/100km
  • Electric Range : 96 - 101 km
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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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BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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Audi A6 Avant
BMW 3 Series Saloon

Costs and Consumption
Price
49,700 - 70,200 £
Price
39,900 - 91,000 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
2.4 - 10.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
96 - 101 km
Battery Capacity
-
Battery Capacity
19.5 kWh
co2
53 - 170 g/km
co2
54 - 227 g/km
Fuel tank capacity
-
Fuel tank capacity
40 L

Dimensions and Body
Body Type
Estate
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,865 - 2,240 kg
Curb weight
1,575 - 1,960 kg
Trunk capacity
404 - 503 L
Trunk capacity
375 - 480 L
Length
-
Length
4,713 mm
Width
1,875 mm
Width
1,827 - 1,903 mm
Height
-
Height
1,446 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
405 - 495 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
150 - 530 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
3.5 - 8.6 s
Max Speed
-
Max Speed
230 km/h
Torque
340 - 580 Nm
Torque
250 - 700 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
150 - 270 kW
Power kW
110 - 390 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,995 - 2,998 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
D, E, F, G, B
Brand
Audi
Brand
BMW
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.