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BMW 5 Series Saloon vs Audi A6 Limousine comparison

Compare performance (727 HP vs 367 HP), boot space and price (50,800 £ vs 47,600 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Saloon or Audi A6 Limousine?

BMW 5 Series Saloon vs Audi A6 Limousine: Key differences

BMW 5 Series Saloon

  • substantially more power
  • barely more efficient
  • noticeably quicker 0–100 km/h
  • very slightly lighter
  • very slightly more trunk space
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Audi A6 Limousine

  • marginally cheaper
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By Achim Sedelmaier

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

5 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.

Audi A6 Limousine is marginally cheaper – starting at 47,600 £ , while the BMW 5 Series Saloon costs 50,800 £ . That’s a price difference of around 3,257 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is barely more efficient than the Audi A6 Limousine with 2.2 L/100km. The difference is about 0.1 L/100km.

The electric range is almost identical – both manage about 105 km on a single charge.

A6 Limousine

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW 5 Series Saloon offers substantially more power – delivering 727 HP compared to 367 HP. That’s roughly 360 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is noticeably quicker – completing the sprint in 3.5 s, while the Audi A6 Limousine takes 4.7 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the BMW 5 Series Saloon delivers substantially more torque with 1,000 Nm compared to 580 Nm. That’s about 420 Nm more.

5 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 5 Series Saloon is very slightly lighter – 1,800 kg compared to 1,845 kg. The difference is around 45 kg.

Looking at boot space, the BMW 5 Series Saloon offers very slightly more boot space – 520 L compared to 492 L. That’s a difference of about 28 L.

When it comes to payload, the Audi A6 Limousine carries very slightly more – 625 kg compared to 600 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The BMW 5 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 £50,800
5 Series Saloon

BMW 5 Series Saloon

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 197 - 727 HP
  • Consumption L/100km : 2.1 - 5.8 L/100km
  • Electric Range : 67 - 105 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 5 Series Saloon

The BMW 5 Series Saloon blends executive poise with a driver's instinct, delivering a supple, refined cabin and a chassis that prefers composed authority over bravado. For buyers who want a grown-up commuter that still enjoys a twisty road, it’s the kind of car that keeps your colleagues impressed and your weekend grin intact.

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Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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BMW 5 Series Saloon
Audi A6 Limousine

Costs and Consumption
Price
50,800 - 124,500 £
Price
47,600 - 68,100 £
Consumption L/100km
2.1 - 5.8 L/100km
Consumption L/100km
2.2 - 7.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 105 km
Electric Range
97 - 105 km
Battery Capacity
-
Battery Capacity
-
co2
48 - 152 g/km
co2
49 - 166 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,800 - 2,515 kg
Curb weight
1,845 - 2,220 kg
Trunk capacity
466 - 520 L
Trunk capacity
354 - 492 L
Length
-
Length
-
Width
1,900 - 1,970 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
425 - 600 kg
Payload
535 - 625 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
197 - 727 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
4.7 - 8.2 s
Max Speed
-
Max Speed
-
Torque
330 - 1,000 Nm
Torque
340 - 580 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4 - 6
Power kW
145 - 535 kW
Power kW
150 - 270 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,023 - 2,026
Model Year
2025
CO2 Efficiency Class
D, E, B, C
CO2 Efficiency Class
F, D, E, B
Brand
BMW
Brand
Audi
Is the BMW 5 Series Saloon offered with different drivetrains?

Available configurations include 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.