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Audi A3 Limousine vs Mercedes A-Class - Differences and prices compared

Compare performance (400 HP vs 320 HP), boot space and price (27700 £ vs 32300 £) at a glance. Find out which car is the better choice for you – Audi A3 Limousine or Mercedes A-Class?

Audi A3 Limousine

Mercedes A-Class

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

A3 Limousine

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 27700 £, while the Mercedes A-Class costs 32300 £. That’s a price difference of around 4577 £.

Fuel consumption also shows a difference: Mercedes A-Class manages with 2.30 L and is therefore clearly more efficient than the Audi A3 Limousine with 4.40 L. The difference is about 2.10 L per 100 km.

A-Class

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 A3 Limousine has a a bit 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 distinct quicker – completing the sprint in 3.80 s, while the Mercedes A-Class takes 4.70 s. That’s about 0.90 s faster.

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

A3 Limousine

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In curb weight, Audi A3 Limousine is minimal lighter – 1360 kg compared to 1440 kg. The difference is around 80 kg.

In terms of boot space, the Audi A3 Limousine offers somewhat more room – 425 L compared to 350 L. That’s a difference of about 75 L.

When it comes to payload, Mercedes A-Class minimal takes the win – 485 kg compared to 480 kg. That’s a difference of about 5 kg.

Who comes out on top?

Overall, the Mercedes A-Class shows itself to be leads convincingly overall 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.

from about £32,300
A-Class

Mercedes A-Class

  • 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 : 2.3 - 8.3 L
  • Electric Range : 85 km
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Audi A3 Limousine
Mercedes A-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

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Reviews Audi A3 Limousine

Reviews Mercedes A-Class

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Costs and Consumption
Price
27700 - 58300 £
Price
32300 - 55600 £
Consumption L/100km
4.4 - 9.2 L
Consumption L/100km
2.3 - 8.3 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
85 km
Battery Capacity
-
Battery Capacity
12.90 kWh
co2
115 - 208 g/km
co2
53 - 188 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1360 - 1640 kg
Curb weight
1440 - 1695 kg
Trunk capacity
321 - 425 L
Trunk capacity
310 - 350 L
Length
-
Length
4428 - 4447 mm
Width
1816 - 1851 mm
Width
1796 mm
Height
-
Height
1407 - 1423 mm
Max trunk capacity
-
Max trunk capacity
1125 - 1190 L
Payload
415 - 480 kg
Payload
475 - 485 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
4.7 - 9.7 s
Max Speed
-
Max Speed
202 - 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, E, G
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.