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Audi A6 Limousine vs BMW 5 Series Saloon comparison

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

Audi A6 Limousine vs BMW 5 Series Saloon: Key differences

Audi A6 Limousine

  • only slightly cheaper

BMW 5 Series Saloon

  • significantly more power
  • barely more efficient
  • visibly quicker 0–100 km/h
  • marginally lighter
  • barely more trunk space

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

A6 Limousine

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 only slightly 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.

5 Series Saloon

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 significantly 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 visibly 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 no difference in top speed – both reach 250 km/h.

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

A6 Limousine

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 marginally 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 barely 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 barely 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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View detailed analysis

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View detailed analysis

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View detailed analysis

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

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
BMW 5 Series Saloon

Costs and Consumption
Price
47,600 - 68,100 £
Price
50,800 - 124,500 £
Consumption L/100km
2.2 - 6.9 L/100km
Consumption L/100km
2.1 - 5.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
67 - 105 km
Battery Capacity
-
Battery Capacity
19 - 19.4 kWh
co2
49 - 157 g/km
co2
48 - 152 g/km
Fuel tank capacity
56 - 60 L
Fuel tank capacity
60 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
4
Doors
4
Curb weight
1,845 - 2,220 kg
Curb weight
1,800 - 2,515 kg
Trunk capacity
354 - 492 L
Trunk capacity
466 - 520 L
Length
4,999 mm
Length
5,060 mm
Width
1,875 mm
Width
1,900 - 1,970 mm
Height
1,452 mm
Height
1,515 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
425 - 600 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
197 - 727 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
3.5 - 7.5 s
Max Speed
243 - 250 km/h
Max Speed
225 - 250 km/h
Torque
340 - 580 Nm
Torque
330 - 1,000 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
150 - 270 kW
Power kW
145 - 535 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,995 - 4,395 cm3

General
Model Year
2,025
Model Year
2,023 - 2,026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
D, E, B, C
Brand
Audi
Brand
BMW
What drivetrain options does the Audi A6 Limousine have?

Available configurations include 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.