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Audi A8 vs BMW X6 comparison

Compare performance (571 HP vs 625 HP), boot space and price (91,400 £ vs 83,600 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or BMW X6?

Audi A8 vs BMW X6: Key differences

Audi A8

5 (1 Reviews)
rate
  • considerably more efficient
  • marginally quicker 0–100 km/h
  • somewhat lighter

BMW X6

5 (1 Reviews)
rate
  • very slightly cheaper
  • marginally more power
  • clearly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

A8

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 X6 is very slightly cheaper – starting at 83,600 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 7,800 £.

Fuel consumption also shows a difference: the Audi A8 uses 4.6 L/100km and is considerably more efficient than the BMW X6 with 7.2 L/100km. The difference is about 2.6 L/100km.

X6

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 X6 offers marginally more power – delivering 625 HP compared to 571 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A8 is marginally quicker – completing the sprint in 3.8 s, while the BMW X6 takes 3.9 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi A8 delivers only slightly more torque with 800 Nm compared to 750 Nm. That’s about 50 Nm more.

A8

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, Audi A8 is somewhat lighter – 2,035 kg compared to 2,240 kg. The difference is around 205 kg.

Looking at boot space, the BMW X6 offers clearly more boot space – 580 L compared to 390 L. That’s a difference of about 190 L.

When it comes to payload, the Audi A8 carries only slightly more – 700 kg compared to 695 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Audi A8 is far ahead 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 £91,400
A8

Audi A8

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 286 - 571 HP
  • Consumption L/100km : 4.6 - 11.5 L/100km
  • Electric Range : 58 km
details

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Costs and Consumption
View detailed analysis

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View detailed analysis

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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

5 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

BMW X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

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Reviews BMW X6

5 (1 Reviews)
rate
Ioana Annayse Simion
26 Jan 2026, 17:50:11

BMW IS BEST!!!!!!

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BMW X6

Costs and Consumption
Price
91,400 - 134,900 £
Price
83,600 - 146,400 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
7.2 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
188 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
83 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,035 - 2,415 kg
Curb weight
2,240 - 2,445 kg
Trunk capacity
390 L
Trunk capacity
580 L
Length
-
Length
4,960 mm
Width
1,945 mm
Width
2,004 - 2,019 mm
Height
-
Height
1,700 mm
Max trunk capacity
-
Max trunk capacity
1,530 L
Payload
525 - 700 kg
Payload
595 - 695 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
286 - 571 HP
Power HP
298 - 625 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.9 - 6.1 s
Max Speed
-
Max Speed
250 km/h
Torque
500 - 800 Nm
Torque
540 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
210 - 420 kW
Power kW
219 - 460 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G
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.