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Audi A3 Limousine vs Mercedes B Class – Differences & prices compared

Two cars, one duel: Audi A3 Limousine meets Mercedes B Class.
Which one wins in performance, efficiency and value for money? Find out now!

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

A3 Limousine @ audi-mediacenter.com

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 clearly perceptible advantage in terms of price – it starts at 27500 £, while the Mercedes B Class costs 33100 £. That’s a price difference of around 5615 £.

Fuel consumption also shows a difference: Mercedes B Class manages with 2.50 L and is therefore decisively more efficient than the Audi A3 Limousine with 4.40 L. The difference is about 1.90 L per 100 km.

B Class @ group-media.mercedes-benz.com

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi A3 Limousine has a clearly edge – offering 400 HP compared to 238 HP. That’s roughly 162 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A3 Limousine is convincingly quicker – completing the sprint in 3.80 s, while the Mercedes B Class takes 6.50 s. That’s about 2.70 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 barely noticeable stronger with 500 Nm compared to 450 Nm. That’s about 50 Nm difference.

A3 Limousine @ audi-mediacenter.com

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 curb weight, Audi A3 Limousine is hardly perceptible lighter – 1360 kg compared to 1405 kg. The difference is around 45 kg.

In terms of boot space, the Mercedes B Class offers hardly perceptible more room – 455 L compared to 425 L. That’s a difference of about 30 L.

When it comes to payload, Mercedes B Class a bit takes the win – 550 kg compared to 480 kg. That’s a difference of about 70 kg.

Who wins the race?

The Audi A3 Limousine proves to be shows small but notable strengths and therefore becomes our DriveDuel Champion!
Audi A3 Limousine is the better all-rounder in this comparison.

from about £27,500
A203794_overfull

Audi A3 Limousine

  • Engine Type : Petrol, Petrol MHEV, Diesel
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 400 HP
  • Consumption L/100km : 4.4 - 9.2 L
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Audi A3 Limousine

The Audi A3 Limousine blends sophistication with sporty performance, making it a standout choice in the compact segment. Its sleek design is complemented by a luxurious interior that prioritises comfort and cutting-edge technology. Whether navigating city streets or cruising on the motorway, the A3 Limousine delivers an engaging driving experience that is hard to resist.

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A203794_overfull @ audi-mediacenter.com
A202500_overfull @ audi-mediacenter.com
A202510_overfull @ audi-mediacenter.com
A202472_overfull @ audi-mediacenter.com
A202480_overfull @ audi-mediacenter.com
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Mercedes B Class

The Mercedes-Benz B-Class offers a blend of practicality and luxury that sets it apart in the compact MPV segment. Its spacious and versatile interior is complemented by high-quality materials and a sleek design, making it ideal for both families and individuals seeking a touch of elegance on their daily commute. Advanced technology and safety features round out the package, ensuring a comfortable and secure driving experience.

details
18C0947_011 @ group-media.mercedes-benz.com
18C0947_009 @ group-media.mercedes-benz.com
18C0953_005 @ group-media.mercedes-benz.com
18C0953_035 @ group-media.mercedes-benz.com
18C0947_044 @ group-media.mercedes-benz.com

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Costs and Consumption
Price
27500 - 58300 £
Price
33100 - 52500 £
Consumption L/100km
4.4 - 9.2 L
Consumption L/100km
2.5 - 6.9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
83 km
Battery Capacity
-
Battery Capacity
12.90 kWh
co2
115 - 208 g/km
co2
56 - 156 g/km
Fuel tank capacity
45 - 55 L
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
MPV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1360 - 1640 kg
Curb weight
1405 - 1745 kg
Trunk capacity
321 - 425 L
Trunk capacity
405 - 455 L
Length
4504 - 4533 mm
Length
4419 mm
Width
1816 - 1851 mm
Width
1796 mm
Height
1391 - 1417 mm
Height
1562 mm
Max trunk capacity
-
Max trunk capacity
1440 - 1540 L
Payload
415 - 480 kg
Payload
505 - 550 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 - 238 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
205 - 250 km/h
Max Speed
200 - 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 - 175 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, F
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.