@ Mazda Motor Corporation
@ Mercedes-Benz Group Media
VS

Mazda CX-30 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-30 or Mercedes B Class?

CX-30 @ Mazda Motor Corporation

Mazda CX-30 vs. Mercedes B-Klasse: Unveiling the Ultimate Crossover Contenders

In the dynamic world of automotive engineering, the Mazda CX-30 and Mercedes B-Klasse have carved niches for themselves, attracting attention with their distinct attributes. As 2024 rolls in, these vehicles continue to evolve, offering impressive advancements that cater to modern drivers' desires. This article delves into the unique features and technical specifications of each model, guiding you to understand what makes them stand out in the competitive landscape.

B Class @ Mercedes-Benz Group Media

Body Design and Dimensions

The Mazda CX-30 comes as a sleek and sporty SUV, emphasizing its robust and aerodynamic aesthetics. Measuring 4395 mm in length, 1795 mm in width, and 1540 mm in height, it offers a compact yet spacious profile suitable for urban and off-road adventures. Its trunk capacity of 430 liters ensures flexibility for various storage needs.

In contrast, the Mercedes B-Klasse embraces its MPV heritage with a sleek and versatile body. It stretches slightly longer at 4419 mm and stands taller at 1562 mm, providing a spacious interior that complements its trunk capacity of 455 liters, emphasizing functionality and comfort for family expeditions.

CX-30 @ Mazda Motor Corporation

Power and Performance

The Mazda CX-30 boasts a choice between front-wheel drive and all-wheel drive systems, powered by a petrol MHEV engine. With power outputs ranging from 140 to 186 HP and torque between 238 to 240 Nm, it achieves an impressive acceleration from 0 to 100 km/h in just 8.3 to 10.3 seconds. Its top speed varies from 191 km/h to 204 km/h, allowing for spirited driving experiences.

Conversely, the Mercedes B-Klasse offers a diverse powertrain lineup, including petrol MHEV, diesel, and plug-in hybrid options. Delivering power between 116 and 238 HP and torque up to 450 Nm, its acceleration capabilities range from 6.5 to 10 seconds for 0 to 100 km/h, accommodating a broader spectrum of driving styles. Hybrid enthusiasts will appreciate the 83 km electric range, enhancing efficiency and reducing emission footprints.

B Class @ Mercedes-Benz Group Media

Transmission and Efficiency

The Mazda CX-30 presents drivers with flexibility in transmission preference, providing both manual and automatic gearbox options. Its fuel efficiency ranges between 5.7 and 6.6 L/100km, ensuring an economical drive.

In contrast, the Mercedes B-Klasse standardizes on a dual-clutch automatic transmission, optimizing performance and seamless gear shifts. Its fuel consumption lies between 0.8 and 7.1 L/100km, particularly advantageous for the plug-in hybrid variant, which benefits from superior efficiency and an impressive CO2 efficiency class B rating.

CX-30 @ Mazda Motor Corporation

Comfort and Technology Innovations

Mazda’s CX-30 offers a minimalist yet sophisticated interior, championing functionality without compromising on comfort. It caters to five passengers and includes advanced safety systems to enhance the driving experience.

The Mercedes B-Klasse, known for its luxurious approach, provides innovative infotainment systems and top-tier comfort for its occupants. Seating five as well, it establishes a premium atmosphere, supported by cutting-edge technology that elevates convenience and safety.

B Class @ Mercedes-Benz Group Media

Conclusion: Choosing Your Ideal Companion

The choice between the Mazda CX-30 and Mercedes B-Klasse depends significantly on individual preferences. The CX-30 appeals to those valuing sporty design and versatile performance, while the B-Klasse attracts drivers looking for a versatile, efficient MPV with premium features. Both models reflect their brands' commitment to innovation and performance, ensuring a satisfying ownership experience in today's diverse automotive landscape.

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

CX-30 @ Mazda Motor Corporation

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 @ Mercedes-Benz Group Media

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.

In terms of top speed, the Mercedes B Class performs somewhat better – reaching 250 km/h, while the Mazda CX-30 tops out at 204 km/h. The difference is around 46 km/h.

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.

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.

In maximum load capacity, the Mercedes B Class performs barely noticeable better – up to 1540 L, which is about 134 L more than the Mazda CX-30.

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?

The Mercedes B Class proves to be wins the duel decisively 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-30

5 (1)
rate

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
2022_mazda_cx-30_src_spain_act_44 @ Mazda Motor Corporation
2022_mazda_cx-30_src_spain_act_42 @ Mazda Motor Corporation
2022_mazda_cx-30_src_spain_act_27 @ Mazda Motor Corporation
2022_mazda_cx-30_src_spain_int_3 @ 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

Top Car Comparisons

@ Mazda Motor Corporation
Mazda CX-30
@ Škoda Auto a.s. / Škoda Storyboard
Skoda Kamiq
VS
The Mazda CX-30 is the stylish, driver's compact SUV that blends near-premium looks and crisp handling, while the Škoda Kamiq plays the sensible card with clever packaging, a roomier boot and lower running costs. Pick the CX-30 if you want a more emotional, fun-to-drive compact with a nicer …
@ Mercedes-Benz Group Media
Mercedes B Class
@ Mercedes-Benz Group Media
Mercedes GLA
VS
The Mercedes B-Klasse and GLA offer two distinct approaches to luxury compact driving, catering to different preferences among consumers. While the B-Klasse emphasizes practicality and spaciousness with its MPV design, the GLA boasts a sportier stance and a more dynamic driving experience, …
Mazda CX-30
Mercedes B Class
CX-30 @ Mazda Motor Corporation
B Class @ Mercedes-Benz Group Media

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
48 - 51 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
1455 - 1587 kg
Curb weight
1405 - 1745 kg
Trunk capacity
422 - 430 L
Trunk capacity
405 - 455 L
Length
4395 mm
Length
4419 mm
Width
1795 mm
Width
1796 mm
Height
1540 mm
Height
1562 mm
Max trunk capacity
1398 - 1406 L
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
191 - 204 km/h
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

Similar Comparisons

@ Mazda Motor Corporation
Mazda CX-30
@ Toyota Motor Corporation
Toyota Yaris Cross
VS
In the battle between the Mazda CX-30 and the Toyota Yaris Cross, both vehicles showcase their unique strengths in the subcompact SUV segment. The CX-30 stands out with its premium interior and engaging driving dynamics, making it a top choice for those who prioritize comfort and performance. …
@ BMW Group Press
BMW 2 Series Active Tourer
@ Mercedes-Benz Group Media
Mercedes B Class
VS
The BMW 2 Series Active Tourer and Mercedes B Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
@ Ford Motor Company / Ford Media Center
Ford Puma
@ Mazda Motor Corporation
Mazda CX-30
VS
In the competitive subcompact crossover segment, the Ford Puma and Mazda CX-30 stand out with their distinctive designs and engaging driving dynamics. The Puma impresses with its sporty handling and practicality, making it a favorite for those seeking a fun urban ride. Meanwhile, the CX-30 …
@ Mazda Motor Corporation
Mazda CX-30
@ Nissan Motor Corporation
Nissan Qashqai
VS
In the compact SUV segment, the Mazda CX-30 and Nissan Qashqai stand out with their distinctive qualities. The Mazda CX-30 impresses with its sporty styling and superior driving dynamics, making it a joy for those who value performance and aesthetics. In contrast, the Nissan Qashqai offers …
@ Mazda Motor Corporation
Mazda CX-30
@ SEAT S.A. / SEAT Media Center
SEAT Arona
VS
In the competitive subcompact SUV segment, the Mazda CX-30 and SEAT Arona stand out with their unique design philosophies and driving dynamics. The CX-30 impresses with its upscale interior and smooth handling, while the Arona offers agile performance and a sporty character. Ultimately, both models …
@ Mazda Motor Corporation
Mazda CX-30
@ Mazda Motor Corporation
Mazda CX-5
VS
In the battle of compact SUVs, the Mazda CX-30 and Mazda CX-5 both showcase the brand's signature blend of style and performance. While the CX-30 offers a more agile driving experience with its smaller footprint, the CX-5 impresses with its spacious interior and powerful engine options. Ultimately, …
@ Lexus / Toyota Motor Corporation
Lexus LBX
@ Mazda Motor Corporation
Mazda CX-30
VS
The Lexus LBX and Mazda CX-30 both epitomize the blend of luxury and practicality in the compact SUV segment. While the LBX offers a more upscale interior with advanced technology and refined design, the CX-30 impresses with its sporty handling and distinctive styling. Ultimately, the choice …
@ Mercedes-Benz Group Media
Mercedes A-Class
@ Mercedes-Benz Group Media
Mercedes B Class
VS
Mercedes A-Class and Mercedes B Class go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
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 and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.