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Audi A5 Sportback vs Mercedes AMG GT comparison

Compare performance (639 HP vs 816 HP), boot space and price (40,200 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mercedes AMG GT?

Audi A5 Sportback vs Mercedes AMG GT: Key differences

Audi A5 Sportback

  • clearly cheaper
  • clearly more efficient
  • clearly more electric range
  • only slightly lighter
  • only slightly more trunk space
details

Mercedes AMG GT

  • clearly more power
  • markedly quicker 0–100 km/h
details

By Achim Sedelmaier

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

A5 Sportback

Costs and Efficiency:

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

Audi A5 Sportback is clearly cheaper – starting at 40,200 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 62,304 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is clearly more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 8.3 L/100km.

As for electric range, the Audi A5 Sportback offers clearly more range – reaching up to 110 km, about 99 km more than the Mercedes AMG GT.

AMG GT

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 Mercedes AMG GT offers clearly more power – delivering 816 HP compared to 639 HP. That’s roughly 177 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is markedly quicker – completing the sprint in 2.8 s, while the Audi A5 Sportback takes 3.7 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers substantially more torque with 1,420 Nm compared to 825 Nm. That’s about 595 Nm more.

A5 Sportback

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A5 Sportback offers more seats – 5 vs 2.

In terms of curb weight, Audi A5 Sportback is only slightly lighter – 1,770 kg compared to 1,790 kg. The difference is around 20 kg.

Looking at boot space, the Audi A5 Sportback offers only slightly more boot space – 331 L compared to 321 L. That’s a difference of about 10 L.

When it comes to payload, the Audi A5 Sportback carries clearly more – 530 kg compared to 215 kg. That’s a difference of about 315 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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.

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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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

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Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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Mercedes AMG GT

Costs and Consumption
Price
40,200 - 91,000 £
Price
102,500 - 194,400 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
331 L
Trunk capacity
182 - 321 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 639 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
110 - 470 kW
Power kW
320 - 600 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,991 - 3,982 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
Mercedes-Benz
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.