Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
EspañaVS
Audi Q3 vs Mercedes B Class - Differences and prices compared
Compare performance (272 HP vs 238 HP), boot space and price (38200 £ vs 33100 £ ) at a glance. Find out which car is the better choice for you – Audi Q3 or Mercedes B Class?
Q3
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 Q3 costs 38200 £ . That’s a price difference of around 5099 £.
Fuel consumption also shows a difference: Audi Q3 manages with 1.70 L and is therefore significantly more efficient than the Mercedes B Class with 2.50 L. The difference is about 0.80 L per 100 km.
As for electric range, the Audi Q3 performs distinct better – achieving up to 119 km, about 36 km more than the Mercedes B Class.
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 Q3 has a slightly edge – offering 272 HP compared to 238 HP. That’s roughly 34 HP more horsepower.
In acceleration from 0 to 100 km/h, the Audi Q3 is somewhat quicker – completing the sprint in 5.70 s, while the Mercedes B Class takes 6.50 s. That’s about 0.80 s faster.
In terms of top speed, the Mercedes B Class performs hardly perceptible better – reaching 250 km/h, while the Audi Q3 tops out at 240 km/h. The difference is around 10 km/h.
There’s also a difference in torque: Mercedes B Class pulls somewhat stronger with 450 Nm compared to 400 Nm. That’s about 50 Nm difference.
Ad · Affiliate
As an Amazon Associate, we earn from qualifying purchases.
Q3
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 slightly lighter – 1405 kg compared to 1635 kg. The difference is around 230 kg.
In terms of boot space, the Audi Q3 offers slight more room – 488 L compared to 455 L. That’s a difference of about 33 L.
In maximum load capacity, the Mercedes B Class performs minimal better – up to 1540 L, which is about 154 L more than the Audi Q3.
When it comes to payload, Mercedes B Class hardly perceptible takes the win – 550 kg compared to 535 kg. That’s a difference of about 15 kg.
Who wins the race in the data check?
The Audi Q3 sits 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.
Audi Q3
Mercedes B Class
Costs and Consumption
View detailed analysis
View detailed analysis
Engine and Performance
View detailed analysis
View detailed analysis
Dimensions and Body
View detailed analysis
View detailed analysis
from about £38,200
Audi Q3
Audi Q3
5 (1 Reviews)
The Audi Q3 feels like a grown-up compact SUV with premium polish and city-friendly agility, the sort of car that makes weekend escapes and daily commutes equally satisfying. Inside, you get quality materials and smart packaging that keep things practical without skimping on style, so it’s an easy pick for buyers who want luxury without the drama.
details
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.
details
Audi Q3
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
38200 - 52900 £
|
Price
33100 - 52500 £
|
|
Consumption L/100km
1.7 - 8.6 L
|
Consumption L/100km
2.5 - 6.9 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
118 - 119 km
|
Electric Range
83 km
|
|
Battery Capacity
19.70 kWh
|
Battery Capacity
12.90 kWh
|
|
co2
39 - 195 g/km
|
co2
56 - 156 g/km
|
|
Fuel tank capacity
45 - 60 L
|
Fuel tank capacity
35 - 51 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
MPV
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
5
|
|
Curb weight
1635 - 1900 kg
|
Curb weight
1405 - 1745 kg
|
|
Trunk capacity
375 - 488 L
|
Trunk capacity
405 - 455 L
|
|
Length
4531 mm
|
Length
4419 mm
|
|
Width
1859 mm
|
Width
1796 mm
|
|
Height
1559 - 1601 mm
|
Height
1562 mm
|
|
Max trunk capacity
1196 - 1386 L
|
Max trunk capacity
1440 - 1540 L
|
|
Payload
505 - 535 kg
|
Payload
505 - 550 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel
|
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
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
150 - 272 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
5.7 - 9.2 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
208 - 240 km/h
|
Max Speed
200 - 250 km/h
|
|
Torque
250 - 400 Nm
|
Torque
200 - 450 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
4
|
|
Power kW
110 - 200 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
1498 - 1984 cm3
|
Engine capacity
1332 - 1991 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2024 - 2025
|
|
CO2 Efficiency Class
E, G, B
|
CO2 Efficiency Class
B, D, E, F
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
Is the Audi Q3 offered with different drivetrains?
The Audi Q3 is available as Front-Wheel Drive or All-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.