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BMW X4 vs Audi A5 Sportback comparison

Compare performance (510 HP vs 639 HP), boot space and price (51,900 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – BMW X4 or Audi A5 Sportback?

BMW X4 vs Audi A5 Sportback: Key differences

BMW X4

  • noticeably more trunk space

Audi A5 Sportback

  • visibly cheaper
  • noticeably more power
  • clearly more efficient
  • barely quicker 0–100 km/h
  • barely lighter

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

X4

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 visibly cheaper – starting at 40,200 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 11,657 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is clearly more efficient than the BMW X4 with 6 L/100km. The difference is about 4 L/100km.

A5 Sportback

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 noticeably more power – delivering 639 HP compared to 510 HP. That’s roughly 129 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is barely quicker – completing the sprint in 3.7 s, while the BMW X4 takes 3.8 s. That’s about 0.1 s quicker.

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

There’s also a difference in torque: the Audi A5 Sportback delivers a bit more torque with 825 Nm compared to 700 Nm. That’s about 125 Nm more.

X4

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, Audi A5 Sportback is barely lighter – 1,770 kg compared to 1,875 kg. The difference is around 105 kg.

Looking at boot space, the BMW X4 offers noticeably more boot space – 525 L compared to 331 L. That’s a difference of about 194 L.

For maximum load capacity, the BMW X4 offers somewhat more capacity – up to 1,430 L, about 255 L more than the Audi A5 Sportback.

When it comes to payload, the BMW X4 carries very slightly more – 545 kg compared to 530 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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 £40,200
A5 Sportback

Audi A5 Sportback

  • 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 - 7.6 L/100km
  • Electric Range : 84 - 110 km
details

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BMW X4

The BMW X4 blends coupe-like styling with SUV practicality, giving you a striking profile that never lets you disappear into traffic. It feels planted and keen behind the wheel, and for buyers who crave personality without sacrificing everyday usability, it’s a compelling and slightly mischievous choice.

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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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Costs and Consumption
Price
51,900 - 93,000 £
Price
40,200 - 91,000 £
Consumption L/100km
6 - 10.7 L/100km
Consumption L/100km
2 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
84 - 110 km
Battery Capacity
-
Battery Capacity
20.7 kWh
co2
156 - 244 g/km
co2
45 - 172 g/km
Fuel tank capacity
65 - 68 L
Fuel tank capacity
46 L

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
4 - 5
Doors
5
Doors
5
Curb weight
1,875 - 2,095 kg
Curb weight
1,770 - 2,430 kg
Trunk capacity
525 L
Trunk capacity
331 L
Length
4,751 - 4,754 mm
Length
4,829 mm
Width
1,918 - 1,938 mm
Width
1,860 - 1,952 mm
Height
1,620 - 1,621 mm
Height
1,444 mm
Max trunk capacity
1,430 L
Max trunk capacity
1,175 L
Payload
415 - 545 kg
Payload
475 - 530 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
184 - 510 HP
Power HP
150 - 639 HP
Acceleration 0-100km/h
3.8 - 8.4 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
213 - 250 km/h
Max Speed
250 km/h
Torque
300 - 700 Nm
Torque
280 - 825 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
135 - 375 kW
Power kW
110 - 470 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,023 - 2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
B, E, F, D
Brand
BMW
Brand
Audi
Is the BMW X4 offered with different drivetrains?

The BMW X4 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.