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Audi Q5 vs Mercedes B Class comparison
Compare performance (367 HP vs 238 HP), boot space and price (46,400 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – Audi Q5 or Mercedes B Class?
Audi Q5 vs Mercedes B Class: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Q5
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.
Mercedes B Class is noticeably cheaper – starting at 33,100 £ , while the Audi Q5 costs 46,400 £ . That’s a price difference of around 13,242 £.
Fuel consumption also shows a difference: the Audi Q5 uses 2.5 L/100km and is clearly more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 2.6 L/100km.
B Class
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 Q5 offers markedly more power – delivering 367 HP compared to 238 HP. That’s roughly 129 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi Q5 is significantly quicker – completing the sprint in 4.5 s, while the Mercedes B Class takes 6.5 s. That’s about 2 s quicker.
There’s also a difference in torque: the Audi Q5 delivers clearly more torque with 580 Nm compared to 400 Nm. That’s about 180 Nm more.
Q5
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 terms of curb weight, Mercedes B Class is visibly lighter – 1,405 kg compared to 1,910 kg. The difference is around 505 kg.
Looking at boot space, the Audi Q5 offers somewhat more boot space – 520 L compared to 455 L. That’s a difference of about 65 L.
When it comes to payload, the Audi Q5 carries very slightly more – 565 kg compared to 550 kg. That’s a difference of about 15 kg.
Who wins the race in the data check?
The Audi Q5 holds a decisive overall lead 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.
from £46,400
Audi Q5
Audi Q5
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 Q5
The Audi Q5 is a refined compact luxury SUV that blends a plush, well-appointed interior with confident, composed handling suited to everyday driving. It’s a strong choice if you want a comfortable, technology-rich cabin and a practical, upscale package that feels polished on both city streets and longer trips.
details
Mercedes B Class
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 Q5
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
46,400 - 79,600 £
|
Price
33,100 - 52,500 £
|
|
Consumption L/100km
2.5 - 8.3 L/100km
|
Consumption L/100km
5.1 - 6.9 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
92 - 100 km
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
56 - 189 g/km
|
co2
133 - 156 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
MPV
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,910 - 2,245 kg
|
Curb weight
1,405 - 1,565 kg
|
|
Trunk capacity
433 - 520 L
|
Trunk capacity
445 - 455 L
|
|
Length
-
|
Length
-
|
|
Width
1,900 mm
|
Width
1,796 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
490 - 565 kg
|
Payload
515 - 550 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel MHEV
|
Engine Type
Petrol MHEV, Diesel
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Dual-Clutch Automatic
|
Transmission Detail
Dual-Clutch Automatic
|
|
Drive Type
All-Wheel Drive, Front-Wheel Drive
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
|
Power HP
204 - 367 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
4.5 - 8.6 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
340 - 580 Nm
|
Torque
200 - 400 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
4
|
|
Power kW
150 - 270 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
1,968 - 2,995 cm3
|
Engine capacity
1,332 - 1,991 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2025
|
|
CO2 Efficiency Class
B, E, F, G
|
CO2 Efficiency Class
D, E, F
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved.
The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.