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Audi A5 Avant vs BMW X6 comparison

Compare performance (639 HP vs 625 HP), boot space and price (41,600 £ vs 84,100 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or BMW X6?

Audi A5 Avant vs BMW X6: Key differences

Audi A5 Avant

4.4 (1 Reviews)
rate
  • clearly cheaper
  • marginally more power
  • substantially more efficient
  • barely quicker 0–100 km/h
  • noticeably lighter
details

BMW X6

4.5 (2 Reviews)
rate
  • moderately more trunk space
details

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

By Achim Sedelmaier

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

A5 Avant

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 A5 Avant is clearly cheaper – starting at 41,600 £ , while the BMW X6 costs 84,100 £ . That’s a price difference of around 42,471 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is substantially more efficient than the BMW X6 with 7.2 L/100km. The difference is about 5.1 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 Audi A5 Avant offers marginally more power – delivering 639 HP compared to 625 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Avant is barely quicker – completing the sprint in 3.7 s, while the BMW X6 takes 3.9 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi A5 Avant delivers only slightly more torque with 825 Nm compared to 750 Nm. That’s about 75 Nm more.

A5 Avant

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A5 Avant is noticeably lighter – 1,785 kg compared to 2,240 kg. The difference is around 455 kg.

Looking at boot space, the BMW X6 offers moderately more boot space – 580 L compared to 476 L. That’s a difference of about 104 L.

When it comes to payload, the BMW X6 carries noticeably more – 695 kg compared to 535 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Audi A5 Avant holds a decisive overall lead 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 £41,600
A5 Avant

Audi A5 Avant

  • Engine Type Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 639 HP
  • Consumption L/100km 2.1 - 7.7 L/100km
  • Electric Range 83 - 108 km
Audi A5 Avant
BMW X6

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

details

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.

details
Audi A5 Avant
BMW X6

Costs and Consumption

Price
41,600 - 92,400 £
Price
84,100 - 147,300 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
7.2 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 108 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
47 - 175 g/km
co2
188 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,785 - 2,445 kg
Curb weight
2,240 - 2,445 kg
Trunk capacity
361 - 476 L
Trunk capacity
580 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
2,004 - 2,019 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
595 - 695 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 639 HP
Power HP
298 - 625 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.9 - 6.1 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
540 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
110 - 470 kW
Power kW
219 - 460 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,993 - 4,395 cm3

General

Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW
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.