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Audi A3 Limousine vs Mercedes A Class Saloon comparison

Compare performance (400 HP vs 320 HP), boot space and price (27,700 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Limousine or Mercedes A Class Saloon?

Audi A3 Limousine vs Mercedes A Class Saloon: Key differences

Audi A3 Limousine

  • a bit cheaper
  • slightly more power
  • noticeably quicker 0–100 km/h
  • very slightly lighter
  • very slightly more trunk space

Mercedes A Class Saloon

  • substantially more efficient

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

A3 Limousine

Costs and Efficiency:

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

Audi A3 Limousine is a bit cheaper – starting at 27,700 £ , while the Mercedes A Class Saloon costs 32,700 £ . That’s a price difference of around 5,036 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is substantially more efficient than the Audi A3 Limousine with 4.4 L/100km. The difference is about 3.7 L/100km.

A Class Saloon

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 Audi A3 Limousine offers slightly more power – delivering 400 HP compared to 320 HP. That’s roughly 80 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Limousine is noticeably quicker – completing the sprint in 3.8 s, while the Mercedes A Class Saloon takes 4.8 s. That’s about 1 s quicker.

There’s also a difference in torque: the Audi A3 Limousine delivers marginally more torque with 500 Nm compared to 450 Nm. That’s about 50 Nm more.

A3 Limousine

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 A3 Limousine is very slightly lighter – 1,360 kg compared to 1,450 kg. The difference is around 90 kg.

Looking at boot space, the Audi A3 Limousine offers very slightly more boot space – 425 L compared to 395 L. That’s a difference of about 30 L.

When it comes to payload, the Mercedes A Class Saloon carries only slightly more – 490 kg compared to 480 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The Mercedes A Class Saloon 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 £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
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Audi A3 Limousine
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

Audi A3 Limousine

The Audi A3 sedan dresses up compact practicality in clean, premium lines, giving you the feel of an upscale small car with a proper boot. Inside it’s neat, driver-focused and nicely finished — a sensible, enjoyable daily companion that prefers poise over showy theatrics.

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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 A3 Limousine
Mercedes A Class Saloon

Costs and Consumption
Price
27,700 - 58,300 £
Price
32,700 - 55,900 £
Consumption L/100km
4.4 - 9.2 L/100km
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
115 - 208 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,360 - 1,640 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
321 - 425 L
Trunk capacity
345 - 395 L
Length
-
Length
4,558 - 4,570 mm
Width
1,816 - 1,851 mm
Width
1,796 mm
Height
-
Height
1,413 - 1,429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 480 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 400 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
-
Max Speed
206 - 250 km/h
Torque
220 - 500 Nm
Torque
200 - 450 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
85 - 294 kW
Power kW
85 - 235 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, C, E, G
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A3 Limousine?

The Audi A3 Limousine is available as Front-Wheel Drive or 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.