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Audi A5 Sportback vs BMW X6 comparison

Compare performance (639 HP vs 625 HP), boot space and price (40,200 £ vs 84,100 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BMW X6?

Audi A5 Sportback vs BMW X6: Key differences

Audi A5 Sportback

  • substantially cheaper
  • only slightly more power
  • considerably more efficient
  • marginally quicker 0–100 km/h
  • noticeably lighter
details

BMW X6

4.5 (2 Reviews)
rate
  • clearly more trunk space
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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

A5 Sportback

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 Sportback is substantially cheaper – starting at 40,200 £ , while the BMW X6 costs 84,100 £ . That’s a price difference of around 43,885 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 1.7 L/100km and is considerably more efficient than the BMW X6 with 7.2 L/100km. The difference is about 5.5 L/100km.

X6

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 Audi A5 Sportback offers only slightly 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 Sportback is marginally 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 Sportback delivers very slightly more torque with 825 Nm compared to 750 Nm. That’s about 75 Nm more.

A5 Sportback

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 Sportback is noticeably lighter – 1,770 kg compared to 2,240 kg. The difference is around 470 kg.

Looking at boot space, the BMW X6 offers clearly more boot space – 580 L compared to 445 L. That’s a difference of about 135 L.

When it comes to payload, the BMW X6 carries markedly more – 695 kg compared to 530 kg. That’s a difference of about 165 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type Plug-in Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 639 HP
  • Consumption L/100km 1.7 - 7.6 L/100km
  • Electric Range 84 - 120 km
details

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Audi A5 Sportback
BMW X6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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

4.5 (2 Reviews)
rate
marcus
9 Jun 2026, 16:23:07

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How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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 A5 Sportback
BMW X6

Costs and Consumption
Price
40,200 - 91,000 £
Price
84,100 - 147,300 £
Consumption L/100km
1.7 - 7.6 L/100km
Consumption L/100km
7.2 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 120 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
39 - 172 g/km
co2
188 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
2,240 - 2,445 kg
Trunk capacity
331 - 445 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
475 - 530 kg
Payload
595 - 695 kg

Engine and Performance
Engine Type
Plug-in 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
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-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.