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Audi A3 Limousine vs Mercedes A-Class Saloon – Which car suits you better?

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Audi A3 Limousine or Mercedes A-Class Saloon?

Audi A3 Limousine

Mercedes A-Class Saloon

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

A3 Limousine @ Audi AG

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 A3 Limousine has a to a small extent advantage in terms of price – it starts at 27500 £, while the Mercedes A-Class Saloon costs 32700 £. That’s a price difference of around 5207 £.

Fuel consumption also shows a difference: Mercedes A-Class Saloon manages with 0.70 L and is therefore decisively more efficient than the Audi A3 Limousine with 4.40 L. The difference is about 3.70 L per 100 km.

A-Class Saloon @ Mercedes-Benz Group Media

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 has a somewhat edge – offering 400 HP compared to 320 HP. That’s roughly 80 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A3 Limousine is clearly perceptible quicker – completing the sprint in 3.80 s, while the Mercedes A-Class Saloon takes 4.80 s. That’s about 1 s faster.

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

There’s also a difference in torque: Audi A3 Limousine pulls slight stronger with 500 Nm compared to 450 Nm. That’s about 50 Nm difference.

A3 Limousine @ Audi AG

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 curb weight, Audi A3 Limousine is barely noticeable lighter – 1360 kg compared to 1450 kg. The difference is around 90 kg.

In terms of boot space, the Audi A3 Limousine offers minimal more room – 425 L compared to 395 L. That’s a difference of about 30 L.

When it comes to payload, Mercedes A-Class Saloon slight takes the win – 490 kg compared to 480 kg. That’s a difference of about 10 kg.

Who comes out on top?

Overall, the Mercedes A-Class Saloon shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

Audi A3 Limousine
Mercedes A-Class Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £32,700
A-Class Saloon @ Mercedes-Benz Group Media

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
  • Electric Range : 88 km
details

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.

details
A203794_overfull @ Audi AG
A202500_overfull @ Audi AG
A202510_overfull @ Audi AG
A202472_overfull @ Audi AG
A202480_overfull @ Audi AG
A202575_overfull @ Audi AG
A202576_overfull @ Audi AG

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.

details
18C0775_002 @ Mercedes-Benz Group Media
18C0775_008 @ Mercedes-Benz Group Media
18C0775_012 @ Mercedes-Benz Group Media
18C0775_029 @ Mercedes-Benz Group Media
18C0480_07 @ Mercedes-Benz Group Media

Reviews Audi A3 Limousine

Reviews Mercedes A-Class Saloon

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Costs and Consumption
Price
27500 - 58300 £
Price
32700 - 55900 £
Consumption L/100km
4.4 - 9.2 L
Consumption L/100km
0.7 - 8.1 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.90 kWh
co2
115 - 208 g/km
co2
16 - 184 g/km
Fuel tank capacity
45 - 55 L
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
4
Doors
4
Curb weight
1360 - 1640 kg
Curb weight
1450 - 1705 kg
Trunk capacity
321 - 425 L
Trunk capacity
345 - 395 L
Length
4504 - 4533 mm
Length
4558 - 4570 mm
Width
1816 - 1851 mm
Width
1796 mm
Height
1391 - 1417 mm
Height
1413 - 1429 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
205 - 250 km/h
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
1498 - 2480 cm3
Engine capacity
1332 - 1991 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D, C, E, G
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz

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Is the Audi A3 Limousine offered with different drivetrains?

The Audi A3 Limousine is offered with Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.

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