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Audi A8 vs BMW X6 - Differences and prices compared

Compare performance (571 HP vs 625 HP), boot space and price (91400 £ vs 83600 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or BMW X6?

Audi A8

5 (1 Reviews)
rate

BMW X6

5 (1 Reviews)
rate

You can find all user reviews further down on this page.

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

A8

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW X6 has a hardly perceptible advantage in terms of price – it starts at 83600 £ , while the Audi A8 costs 91400 £ . That’s a price difference of around 7800 £.

Fuel consumption also shows a difference: Audi A8 manages with 4.60 L and is therefore decisively more efficient than the BMW X6 with 7.20 L. The difference is about 2.60 L per 100 km.

X6

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BMW X6 has a minimal edge – offering 625 HP compared to 571 HP. That’s roughly 54 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A8 is hardly perceptible quicker – completing the sprint in 3.80 s, while the BMW X6 takes 3.90 s. That’s about 0.10 s faster.

There’s no difference in top speed – both reach 250 km/h.

There’s also a difference in torque: Audi A8 pulls slight stronger with 800 Nm compared to 750 Nm. That’s about 50 Nm difference.

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 curb weight, Audi A8 is somewhat lighter – 2035 kg compared to 2240 kg. The difference is around 205 kg.

In terms of boot space, the BMW X6 offers to a small extent more room – 580 L compared to 505 L. That’s a difference of about 75 L.

When it comes to payload, Audi A8 hardly perceptible takes the win – 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 decisively ahead 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.

Audi A8
BMW X6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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
  • Electric Range : 58 km
details

Audi A8

5 (1 Reviews)
rate

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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BMW X6

5 (1 Reviews)
rate

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 Audi A8

5 (1 Reviews)
rate

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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Audi A8
BMW X6

Costs and Consumption
Price
91400 - 134900 £
Price
83600 - 146400 £
Consumption L/100km
4.6 - 11.5 L
Consumption L/100km
7.2 - 12.7 L
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
82 L
Fuel tank capacity
83 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
2035 - 2415 kg
Curb weight
2240 - 2445 kg
Trunk capacity
390 - 505 L
Trunk capacity
580 L
Length
5190 - 5320 mm
Length
4960 mm
Width
1945 mm
Width
2004 - 2019 mm
Height
1473 - 1488 mm
Height
1700 mm
Max trunk capacity
-
Max trunk capacity
1530 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
250 km/h
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
2967 - 3996 cm3
Engine capacity
2993 - 4395 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW

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Is the Audi A8 offered with different drivetrains?

The Audi A8 is offered with All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.