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Audi A8 vs BMW 5 Series Saloon comparison

Compare performance (571 HP vs 727 HP), boot space and price (91,400 £ vs 50,800 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or BMW 5 Series Saloon?

Audi A8 vs BMW 5 Series Saloon: Key differences

Audi A8

5 (1 Reviews)
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BMW 5 Series Saloon

  • substantially cheaper
  • visibly more power
  • significantly more efficient
  • substantially more electric range
  • very slightly quicker 0–100 km/h
  • slightly lighter
  • noticeably more trunk space
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By Achim Sedelmaier

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

A8

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW 5 Series Saloon is substantially cheaper – starting at 50,800 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 40,543 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is significantly more efficient than the Audi A8 with 4.6 L/100km. The difference is about 2.5 L/100km.

As for electric range, the BMW 5 Series Saloon offers substantially more range – reaching up to 105 km, about 47 km more than the Audi A8.

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 visibly more power – delivering 727 HP compared to 571 HP. That’s roughly 156 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is very slightly quicker – completing the sprint in 3.5 s, while the Audi A8 takes 3.8 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the BMW 5 Series Saloon delivers slightly more torque with 1,000 Nm compared to 800 Nm. That’s about 200 Nm more.

A8

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 slightly lighter – 1,800 kg compared to 2,035 kg. The difference is around 235 kg.

Looking at boot space, the BMW 5 Series Saloon offers noticeably more boot space – 520 L compared to 390 L. That’s a difference of about 130 L.

When it comes to payload, the Audi A8 carries somewhat more – 700 kg compared to 600 kg. That’s a difference of about 100 kg.

Who wins the race in the data check?

The BMW 5 Series Saloon is clearly superior overall 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

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

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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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Reviews BMW 5 Series Saloon

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BMW 5 Series Saloon

Costs and Consumption
Price
91,400 - 134,900 £
Price
50,800 - 124,500 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
2.1 - 5.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
67 - 105 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
48 - 152 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
2,035 - 2,415 kg
Curb weight
1,800 - 2,515 kg
Trunk capacity
390 L
Trunk capacity
466 - 520 L
Length
-
Length
-
Width
1,945 mm
Width
1,900 - 1,970 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
425 - 600 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
286 - 571 HP
Power HP
197 - 727 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.5 - 7.5 s
Max Speed
-
Max Speed
-
Torque
500 - 800 Nm
Torque
330 - 1,000 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 8
Power kW
210 - 420 kW
Power kW
145 - 535 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,995 - 4,395 cm3

General
Model Year
2025
Model Year
2,023 - 2,026
CO2 Efficiency Class
G, C
CO2 Efficiency Class
D, E, B, C
Brand
Audi
Brand
BMW
What drive types are available for the Audi A8?

The Audi A8 is available as 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.