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Audi A4 Avant vs Mercedes B Class - Differences and prices compared
Compare performance (470 HP vs 238 HP), boot space and price (37200 £ vs 33100 £) at a glance. Find out which car is the better choice for you – Audi A4 Avant or Mercedes B Class?
A4 Avant
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
Mercedes B Class has a a bit advantage in terms of price – it starts at 33100 £, while the Audi A4 Avant costs 37200 £. That’s a price difference of around 4113 £.
Fuel consumption also shows a difference: Mercedes B Class manages with 2.50 L and is therefore convincingly more efficient than the Audi A4 Avant with 4.80 L. The difference is about 2.30 L per 100 km.
B 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 A4 Avant has a clearly edge – offering 470 HP compared to 238 HP. That’s roughly 232 HP more horsepower.
In acceleration from 0 to 100 km/h, the Audi A4 Avant is significantly quicker – completing the sprint in 3.70 s, while the Mercedes B Class takes 6.50 s. That’s about 2.80 s faster.
In terms of top speed, the Audi A4 Avant performs somewhat better – reaching 300 km/h, while the Mercedes B Class tops out at 250 km/h. The difference is around 50 km/h.
There’s also a difference in torque: Audi A4 Avant pulls noticeable stronger with 600 Nm compared to 450 Nm. That’s about 150 Nm difference.
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A4 Avant
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, Mercedes B Class is a bit lighter – 1405 kg compared to 1595 kg. The difference is around 190 kg.
In terms of boot space, the Audi A4 Avant offers barely noticeable more room – 495 L compared to 455 L. That’s a difference of about 40 L.
In maximum load capacity, the Mercedes B Class performs slight better – up to 1540 L, which is about 45 L more than the Audi A4 Avant.
When it comes to payload, Audi A4 Avant slight takes the win – 565 kg compared to 550 kg. That’s a difference of about 15 kg.
Who wins the race?
The Audi A4 Avant proves to be wins solidly and therefore becomes our DriveDuel Champion!
Audi A4 Avant is the better all-rounder in this comparison.
from about £37,200
Audi A4 Avant
Audi A4 Avant
Mercedes B Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Audi A4 Avant
The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.
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Mercedes B Class
5 (4 Reviews)
The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.
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Audi A4 Avant
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
37200 - 122500 £
|
Price
33100 - 52500 £
|
|
Consumption L/100km
4.8 - 9.7 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
126 - 220 g/km
|
co2
56 - 156 g/km
|
|
Fuel tank capacity
40 - 58 L
|
Fuel tank capacity
35 - 51 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Estate
|
Body Type
MPV
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
5
|
|
Curb weight
1595 - 1820 kg
|
Curb weight
1405 - 1745 kg
|
|
Trunk capacity
495 L
|
Trunk capacity
405 - 455 L
|
|
Length
4750 - 4782 mm
|
Length
4419 mm
|
|
Width
1842 - 1866 mm
|
Width
1796 mm
|
|
Height
1428 - 1493 mm
|
Height
1562 mm
|
|
Max trunk capacity
1495 L
|
Max trunk capacity
1440 - 1540 L
|
|
Payload
510 - 565 kg
|
Payload
505 - 550 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
|
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
136 - 470 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
3.7 - 9.8 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
210 - 300 km/h
|
Max Speed
200 - 250 km/h
|
|
Torque
270 - 600 Nm
|
Torque
200 - 450 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
4
|
|
Power kW
100 - 346 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
1968 - 2894 cm3
|
Engine capacity
1332 - 1991 cm3
|
General |
|
|---|---|
|
Model Year
2023 - 2024
|
Model Year
2024 - 2025
|
|
CO2 Efficiency Class
E, F, D, G
|
CO2 Efficiency Class
B, D, E, F
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
What drivetrain options does the Audi A4 Avant have?
The Audi A4 Avant is offered with All-Wheel Drive or Front-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.