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Audi A5 Sportback vs Mercedes A Class Saloon comparison

Compare performance (639 HP vs 320 HP), boot space and price (40,200 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mercedes A Class Saloon?

Audi A5 Sportback vs Mercedes A Class Saloon: Key differences

Audi A5 Sportback

  • significantly more power
  • a bit more electric range
  • markedly quicker 0–100 km/h

Mercedes A Class Saloon

  • noticeably cheaper
  • significantly more efficient
  • clearly lighter
  • somewhat more trunk space

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

A5 Sportback

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes A Class Saloon is noticeably cheaper – starting at 32,700 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 7,479 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is significantly more efficient than the Audi A5 Sportback with 2 L/100km. The difference is about 1.3 L/100km.

As for electric range, the Audi A5 Sportback offers a bit more range – reaching up to 110 km, about 22 km more than the Mercedes A Class Saloon.

A Class Saloon

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A5 Sportback offers significantly more power – delivering 639 HP compared to 320 HP. That’s roughly 319 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is markedly quicker – completing the sprint in 3.7 s, while the Mercedes A Class Saloon takes 4.8 s. That’s about 1.1 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 clearly more torque with 825 Nm compared to 450 Nm. That’s about 375 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, Mercedes A Class Saloon is clearly lighter – 1,450 kg compared to 1,770 kg. The difference is around 320 kg.

Looking at boot space, the Mercedes A Class Saloon offers somewhat more boot space – 395 L compared to 331 L. That’s a difference of about 64 L.

When it comes to payload, the Audi A5 Sportback carries very slightly more – 530 kg compared to 490 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Mercedes A Class Saloon is clearly superior 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 £32,700
A Class Saloon

Mercedes A Class Saloon

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 0.7 - 8.1 L/100km
  • Electric Range : 88 km
details

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Costs and Consumption
View detailed analysis

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View detailed analysis

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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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Mercedes A Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

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Audi A5 Sportback
Mercedes A Class Saloon

Costs and Consumption
Price
40,200 - 91,000 £
Price
32,700 - 55,900 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
88 km
Battery Capacity
20.7 kWh
Battery Capacity
12.9 kWh
co2
45 - 172 g/km
co2
16 - 184 g/km
Fuel tank capacity
46 L
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4 - 5
Seats
5
Doors
5
Doors
4
Curb weight
1,770 - 2,430 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
331 L
Trunk capacity
345 - 395 L
Length
4,829 mm
Length
4,558 - 4,570 mm
Width
1,860 - 1,952 mm
Width
1,796 mm
Height
1,444 mm
Height
1,413 - 1,429 mm
Max trunk capacity
1,175 L
Max trunk capacity
-
Payload
475 - 530 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
150 - 639 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
250 km/h
Max Speed
206 - 250 km/h
Torque
280 - 825 Nm
Torque
200 - 450 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 470 kW
Power kW
85 - 235 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
B, D, G, E
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.