VS

Citroen C3 vs Mercedes B Class comparison

Compare performance (113 HP vs 238 HP), boot space and price (14,000 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – Citroen C3 or Mercedes B Class?

Citroen C3 vs Mercedes B Class: Key differences

Citroen C3

4.9 (2 Reviews)
rate
  • clearly cheaper
  • barely more efficient
  • slightly lighter
details

Mercedes B Class

4.9 (5 Reviews)
rate
  • significantly more power
  • significantly quicker 0–100 km/h
  • markedly more trunk space
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

C3

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Citroen C3 is clearly cheaper – starting at 14,000 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 19,167 £.

Fuel consumption also shows a difference: the Citroen C3 uses 5 L/100km and is barely more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 0.1 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 Mercedes B Class offers significantly more power – delivering 238 HP compared to 113 HP. That’s roughly 125 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is significantly quicker – completing the sprint in 6.5 s, while the Citroen C3 takes 9.9 s. That’s about 3.4 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers considerably more torque with 400 Nm compared to 205 Nm. That’s about 195 Nm more.

C3

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 terms of curb weight, Citroen C3 is slightly lighter – 1,226 kg compared to 1,405 kg. The difference is around 179 kg.

Looking at boot space, the Mercedes B Class offers markedly more boot space – 455 L compared to 310 L. That’s a difference of about 145 L.

When it comes to payload, the Mercedes B Class carries clearly more – 550 kg compared to 423 kg. That’s a difference of about 127 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.

from £33,100
B Class

Mercedes B Class

  • Engine Type Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 238 HP
  • Consumption L/100km 5.1 - 6.9 L/100km
details

Frequently compared as well

Citroen C3
Citroen C3 Aircross
VS
Deciding between the Citroën C3 and the Citroën C3 Aircross is basically a choice between a compact, city-focused hatch and a taller, more practical crossover. The C3 prioritises nimble handling, simplicity and economy for urban driving, while the C3 Aircross adds higher ride height, extra interior …
Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class and Mercedes GLA target buyers who want Mercedes practicality with premium touches, but they take different paths: the B‑Class is a spacious, hatchback-style people carrier while the GLA is a compact crossover with a higher ride height and sportier stance. This comparison looks …
Citroen C3
Mercedes B Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Citroen C3

The Citroën C3 is a stylish and practical small hatchback that puts comfort and a calm urban driving experience at the top of its list. With its distinctive looks and thoughtful interior touches, it suits buyers who want personality and everyday usability without drama.

details
CITROEN_C3_25
CITROEN_C3_26
CITROEN_C3_44
12D30_01

Reviews Citroen C3

4.9 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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
18C0947_011
18C0947_009
18C0953_005
18C0953_035
18C0947_044

Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Frequently compared as well

Mercedes A Class
Mercedes B Class
VS
The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Citroen C3
Renault Captur
VS
Choosing between the Citroën C3 and the Renault Captur comes down to whether you want a compact, comfort-focused hatch with quirky styling or a slightly larger, more versatile crossover with a higher driving position. I’ll compare practicality, fuel economy, driving feel and value so you can pick …
Citroen C3
Citroen C4
VS
The Citroën C3 is the cheeky city hatch that charms with low running costs, soft suspension and easy parking, while the Citroën C4 stretches into crossover territory with more space, stronger engines and sharper tech. If you mostly nip around town grab the C3 for its thrift and comfort; if you want …
Citroen C3
Fiat Panda
VS
Choosing between the Citroën C3 and the Fiat Panda often comes down to whether you want a comfort-focused, stylish city hatch or a no-nonsense, practical small car. I’ll highlight the key differences in interior space, fuel economy, driving feel and running costs so you can decide which suits your …
Citroen C3
Opel Corsa
VS
The Citroën C3 charms with its quirky French flair, plush seats and a ride tuned more for comfort than cornering, while the Opel Corsa plays the sensible all-rounder with sharper handling, a tidier cabin and a broader engine lineup. If you want personality and city-friendly cushioning, pick the C3; …
Citroen C3
Fiat Grande Panda
VS
Comparing the Citroën C3 and the Fiat Panda shows two different takes on small cars: the C3 emphasises comfort, style and a quieter ride, while the Panda prioritises practicality, space efficiency and rugged simplicity. Choose the C3 for a refined, tech-friendly city runabout; choose the Panda for …
Citroen C3
MG MG3
VS
Comparing the Citroën C3 and the MG3 puts two budget-friendly city hatchbacks head-to-head: the C3 leans toward comfort, distinctive styling and a refined ride, while the MG3 focuses on low cost, generous interior space and straightforward practicality. If you value a plush, design-led small car go …
Citroen C3
Opel Mokka
VS
Choosing between the Citroën C3 and the Opel Mokka comes down to whether you want a cozy, city-friendly hatchback or a taller, more SUV-like compact—both are practical but aimed at different buyers. The C3 focuses on comfort, quirky style and efficient urban driving, while the Mokka offers a higher …
Citroen C3
Mercedes B Class

Costs and Consumption
Price
14,000 - 24,700 £
Price
33,100 - 52,500 £
Consumption L/100km
5 - 5.6 L/100km
Consumption L/100km
5.1 - 6.9 L/100km
Consumption kWh/100km
16.7 - 17.2 kWh/100km
Consumption kWh/100km
-
Electric Range
212 - 325 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 126 g/km
co2
133 - 156 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
MPV
Seats
2 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,226 - 1,518 kg
Curb weight
1,405 - 1,565 kg
Trunk capacity
310 L
Trunk capacity
445 - 455 L
Length
-
Length
-
Width
1,755 mm
Width
1,796 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
227 - 423 kg
Payload
515 - 550 kg

Engine and Performance
Engine Type
Electric, Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Diesel
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
101 - 113 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
9.9 - 12 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
-
Max Speed
-
Torque
120 - 205 Nm
Torque
200 - 400 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
74 - 83 kW
Power kW
85 - 175 kW
Engine capacity
1,199 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
A, D, C
CO2 Efficiency Class
D, E, F
Brand
Citroen
Brand
Mercedes-Benz
What drivetrain options does the Citroen C3 have?

The Citroen C3 is available as Front-Wheel Drive.

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.