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Audi A5 Sportback vs BMW 8 Series Coupé comparison

Compare performance (639 HP vs 625 HP), boot space and price (40,200 £ vs 90,000 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BMW 8 Series Coupé?

Audi A5 Sportback vs BMW 8 Series Coupé: Key differences

Audi A5 Sportback

  • considerably cheaper
  • marginally more power
  • clearly more efficient
  • marginally lighter
details

BMW 8 Series Coupé

  • a bit quicker 0–100 km/h
  • clearly more trunk space
details

By Achim Sedelmaier

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

A5 Sportback

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi A5 Sportback is considerably cheaper – starting at 40,200 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 49,800 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is clearly more efficient than the BMW 8 Series Coupé with 6.7 L/100km. The difference is about 4.7 L/100km.

8 Series Coupé

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 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 BMW 8 Series Coupé is a bit quicker – completing the sprint in 3.2 s, while the Audi A5 Sportback takes 3.7 s. That’s about 0.5 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 barely more torque with 825 Nm compared to 750 Nm. That’s about 75 Nm more.

A5 Sportback

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 marginally lighter – 1,770 kg compared to 1,805 kg. The difference is around 35 kg.

Looking at boot space, the BMW 8 Series Coupé offers clearly more boot space – 440 L compared to 331 L. That’s a difference of about 109 L.

When it comes to payload, the BMW 8 Series Coupé carries only 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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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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BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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BMW 8 Series Coupé

Costs and Consumption
Price
40,200 - 91,000 £
Price
90,000 - 158,900 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
6.7 - 11.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
20.7 kWh
Battery Capacity
-
co2
45 - 172 g/km
co2
176 - 263 g/km
Fuel tank capacity
46 L
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
4 - 5
Seats
4 - 5
Doors
5
Doors
2 - 4
Curb weight
1,770 - 2,430 kg
Curb weight
1,805 - 2,085 kg
Trunk capacity
331 L
Trunk capacity
420 - 440 L
Length
4,829 mm
Length
4,851 - 5,098 mm
Width
1,860 - 1,952 mm
Width
1,902 - 1,943 mm
Height
1,444 mm
Height
1,346 - 1,420 mm
Max trunk capacity
1,175 L
Max trunk capacity
-
Payload
475 - 530 kg
Payload
370 - 545 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Diesel MHEV, Petrol
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, Rear-Wheel Drive
Power HP
150 - 639 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.2 - 5.4 s
Max Speed
250 km/h
Max Speed
250 km/h
Torque
280 - 825 Nm
Torque
500 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
110 - 470 kW
Power kW
245 - 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
2024
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.