@ Mazda Motor Corporation
@ Mercedes-Benz Group Media
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Mazda CX-5 vs Mercedes B Class – Which one offers the better deal?

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Mazda CX-5 or Mercedes B Class?

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

CX-5 @ Mazda Motor Corporation

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.

Mazda CX-5 has a somewhat advantage in terms of price – it starts at 30000 £, while the Mercedes B Class costs 33100 £. That’s a price difference of around 3129 £.

Fuel consumption also shows a difference: Mercedes B Class manages with 2.50 L and is therefore decisively more efficient than the Mazda CX-5 with 7 L. The difference is about 4.50 L per 100 km.

B Class @ Mercedes-Benz Group Media

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 Mercedes B Class has a clearly edge – offering 238 HP compared to 141 HP. That’s roughly 97 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes B Class is clearly quicker – completing the sprint in 6.50 s, while the Mazda CX-5 takes 10.50 s. That’s about 4 s faster.

In terms of top speed, the Mercedes B Class performs evident better – reaching 250 km/h, while the Mazda CX-5 tops out at 195 km/h. The difference is around 55 km/h.

There’s also a difference in torque: Mercedes B Class pulls significantly stronger with 450 Nm compared to 238 Nm. That’s about 212 Nm difference.

CX-5 @ Mazda Motor Corporation

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 1629 kg. The difference is around 224 kg.

In terms of boot space, the Mazda CX-5 offers evident more room – 583 L compared to 455 L. That’s a difference of about 128 L.

In maximum load capacity, the Mazda CX-5 performs distinct better – up to 2019 L, which is about 479 L more than the Mercedes B Class.

Who wins the race?

The Mercedes B Class proves to be leaves the rival little chance and therefore becomes our DriveDuel Champion!
Mercedes B Class is the better all-rounder in this comparison.

from about £33,100
B Class @ Mercedes-Benz Group Media

Mercedes B Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 2.5 - 6.9 L
  • Electric Range : 83 km
details

Mazda CX-5

3 (1)
rate

The Mazda CX-5 blends elegant, athletic styling with a surprisingly engaging driving character, turning routine trips into small, satisfying adventures. Inside it feels thoughtfully built and comfortable, offering sensible practicality and a premium feel that punches above its price.

details
2022_mazda_cx-5_homura_hr_act_21 (1) @ Mazda Motor Corporation
2022_mazda_cx-5_homura_hr_act_28 @ Mazda Motor Corporation
2022_mazda_cx-5_homura_hr_int_1 @ Mazda Motor Corporation

Mercedes B Class

5 (2)
rate

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
18C0947_011 @ Mercedes-Benz Group Media
18C0947_009 @ Mercedes-Benz Group Media
18C0953_005 @ Mercedes-Benz Group Media
18C0953_035 @ Mercedes-Benz Group Media
18C0947_044 @ Mercedes-Benz Group Media

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Costs and Consumption
Price
30000 - 39500 £
Price
33100 - 52500 £
Consumption L/100km
7 - 7.4 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
157 - 168 g/km
co2
56 - 156 g/km
Fuel tank capacity
56 - 58 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
1629 - 1671 kg
Curb weight
1405 - 1745 kg
Trunk capacity
583 L
Trunk capacity
405 - 455 L
Length
4690 mm
Length
4419 mm
Width
1860 mm
Width
1796 mm
Height
1695 mm
Height
1562 mm
Max trunk capacity
2019 L
Max trunk capacity
1440 - 1540 L
Payload
-
Payload
505 - 550 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
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
141 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
10.5 - 10.9 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
195 km/h
Max Speed
200 - 250 km/h
Torque
238 Nm
Torque
200 - 450 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
104 kW
Power kW
85 - 175 kW
Engine capacity
2488 cm3
Engine capacity
1332 - 1991 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
F
CO2 Efficiency Class
B, D, E, F
Brand
Mazda
Brand
Mercedes-Benz

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What drivetrain options does the Mazda CX-5 have?

The Mazda CX-5 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.