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BMW 3 Series Saloon vs Audi A6 Avant comparison

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

BMW 3 Series Saloon vs Audi A6 Avant: Key differences

BMW 3 Series Saloon

  • noticeably cheaper
  • clearly more power
  • noticeably quicker 0–100 km/h
  • moderately lighter
details

Audi A6 Avant

  • only slightly more efficient
  • marginally more trunk space
details

By Achim Sedelmaier

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

3 Series Saloon

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.

BMW 3 Series Saloon is noticeably 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 only 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.

A6 Avant

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 clearly 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 noticeably 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.

3 Series Saloon

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

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 marginally 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 a bit 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 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 £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
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews BMW 3 Series Saloon

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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 A6 Avant

Costs and Consumption
Price
39,900 - 92,200 £
Price
49,700 - 70,200 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
2.3 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
94 - 101 km
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 g/km
co2
53 - 170 g/km
Fuel tank capacity
-
Fuel tank capacity
-

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

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

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
F, D, E, B
Brand
BMW
Brand
Audi
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon 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.