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Mazda CX-30 vs Mercedes B Class - Differences and prices compared
Compare performance (186 HP vs 238 HP), boot space and price (25200 £ vs 33100 £ ) at a glance. Find out which car is the better choice for you – Mazda CX-30 or Mercedes B Class?
CX-30
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.
Mazda CX-30 has a distinct advantage in terms of price – it starts at 25200 £ , while the Mercedes B Class costs 33100 £ . That’s a price difference of around 7895 £.
Fuel consumption also shows a difference: Mercedes B Class manages with 2.50 L and is therefore significantly more efficient than the Mazda CX-30 with 5.70 L. The difference is about 3.20 L per 100 km.
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 Mercedes B Class has a noticeable edge – offering 238 HP compared to 186 HP. That’s roughly 52 HP more horsepower.
In acceleration from 0 to 100 km/h, the Mercedes B Class is distinct quicker – completing the sprint in 6.50 s, while the Mazda CX-30 takes 8.30 s. That’s about 1.80 s faster.
There’s also a difference in torque: Mercedes B Class pulls significantly stronger with 450 Nm compared to 240 Nm. That’s about 210 Nm difference.
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CX-30
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, Mercedes B Class is barely noticeable lighter – 1405 kg compared to 1455 kg. The difference is around 50 kg.
In terms of boot space, the Mercedes B Class offers barely noticeable more room – 455 L compared to 430 L. That’s a difference of about 25 L.
When it comes to payload, Mercedes B Class barely noticeable takes the win – 550 kg compared to 496 kg. That’s a difference of about 54 kg.
Who wins the race in the data check?
The Mercedes B Class is decisively ahead 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.
Mazda CX-30
Mercedes B Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £33,100
Mercedes B Class
Mazda CX-30
5 (1 Reviews)
The Mazda CX-30 blends sleek coupe-like lines with the practicality of a compact crossover, feeling more premium than its price tag suggests. It’s a joy to drive for anyone who likes a taut chassis and an interior that treats daily commutes like a small luxury escape.
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
Mazda CX-30
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
25200 - 36800 £
|
Price
33100 - 52500 £
|
|
Consumption L/100km
5.7 - 6.6 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
129 - 148 g/km
|
co2
56 - 156 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
35 - 51 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
MPV
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
5
|
|
Curb weight
1455 - 1587 kg
|
Curb weight
1405 - 1745 kg
|
|
Trunk capacity
422 - 430 L
|
Trunk capacity
405 - 455 L
|
|
Length
-
|
Length
4419 mm
|
|
Width
1795 mm
|
Width
1796 mm
|
|
Height
-
|
Height
1562 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1440 - 1540 L
|
|
Payload
458 - 496 kg
|
Payload
505 - 550 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV
|
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
|
|
Transmission
Manuel, Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Manual Gearbox, Automatic Gearbox
|
Transmission Detail
Dual-Clutch Automatic
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
|
Power HP
140 - 186 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
8.3 - 10.3 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
-
|
Max Speed
200 - 250 km/h
|
|
Torque
238 - 240 Nm
|
Torque
200 - 450 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
4
|
|
Power kW
103 - 137 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
1998 - 2488 cm3
|
Engine capacity
1332 - 1991 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2024 - 2025
|
|
CO2 Efficiency Class
D, E
|
CO2 Efficiency Class
B, D, E, F
|
|
Brand
Mazda
|
Brand
Mercedes-Benz
|
What drive types are available for the Mazda CX-30?
The Mazda CX-30 is offered with 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.