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Mercedes B Class vs Renault R5 comparison

Compare performance (238 HP vs 540 HP), boot space and price (33,100 £ vs 23,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Renault R5?

Mercedes B Class vs Renault R5: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • barely lighter
  • markedly more trunk space

Renault R5

5 (1 Reviews)
rate
  • markedly cheaper
  • considerably more power
  • clearly more electric range
  • substantially quicker 0–100 km/h

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

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

B Class

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Renault R5 is markedly cheaper – starting at 23,900 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 9,215 £.

As for electric range, the Renault R5 offers clearly more range – reaching up to 405 km, about 322 km more than the Mercedes B Class.

R5

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 Renault R5 offers considerably more power – delivering 540 HP compared to 238 HP. That’s roughly 302 HP more horsepower.

When accelerating from 0 to 100 km/h, the Renault R5 is substantially quicker – completing the sprint in 3.5 s, while the Mercedes B Class takes 6.5 s. That’s about 3 s quicker.

Looking at top speed, the Renault R5 is moderately faster – reaching 270 km/h, while the Mercedes B Class tops out at 223 km/h. The difference is around 47 km/h.

There’s also a difference in torque: the Renault R5 delivers considerably more torque with 4,800 Nm compared to 450 Nm. That’s about 4,350 Nm more.

B Class

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 barely lighter – 1,405 kg compared to 1,447 kg. The difference is around 42 kg.

Looking at boot space, the Mercedes B Class offers markedly more boot space – 455 L compared to 326 L. That’s a difference of about 129 L.

For maximum load capacity, the Mercedes B Class offers clearly more capacity – up to 1,440 L, about 334 L more than the Renault R5.

When it comes to payload, the Mercedes B Class carries visibly more – 550 kg compared to 418 kg. That’s a difference of about 132 kg.

Who wins the race in the data check?

The Renault R5 is clearly superior overall 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 £23,900
R5

Renault R5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, Rear-Wheel Drive
  • Power HP : 122 - 540 HP
  • Consumption kWh/100km : 14.8 - 15.2 kWh/100km
  • Electric Range : 307 - 405 km
details

Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Renault R5
VW ID.3
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Mercedes B Class
Renault R5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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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

Renault R5

The Renault 5 is a cheeky city car that marries retro charm with modern flair, its playful looks promising smiles before you even start the engine. Practical enough for daily life yet lively enough to make short trips feel like mini adventures, it’s an irresistible choice for buyers who prefer personality to bland practicality.

details
D9BB3E56-4B0D-4E48-A734-11A1714B92A5
79A3C149-BC71-4BE3-A149-986DD84D251C
DDEACB99-545B-4C72-B12C-AB35E7B77365

Reviews Renault R5

5 (1 Reviews)
rate
Walter
4 Nov 2025, 21:42:46

Practical, nimble, and fun to drive. For rather small drivers up to 1.75 m there's plenty of space even on the back seat. Useful driver-assist systems, and Android Auto works well. Very economical in summer. In winter a lot of energy is used in the first five minutes to bring the battery up to 20°C, which makes consumption on short winter trips very high.

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Mercedes B Class
Renault R5

Costs and Consumption
Price
33,100 - 52,500 £
Price
23,900 - 137,100 £
Consumption L/100km
2.5 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.8 - 15.2 kWh/100km
Electric Range
83 km
Electric Range
307 - 405 km
Battery Capacity
12.9 kWh
Battery Capacity
40 - 52 kWh
co2
56 - 156 g/km
co2
0 g/km
Fuel tank capacity
35 L
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
2 - 5
Doors
5
Doors
3 - 5
Curb weight
1,405 - 1,745 kg
Curb weight
1,447 - 1,524 kg
Trunk capacity
405 - 455 L
Trunk capacity
326 L
Length
4,419 mm
Length
3,922 - 4,080 mm
Width
1,796 mm
Width
1,744 - 2,030 mm
Height
1,562 mm
Height
1,380 - 1,498 mm
Max trunk capacity
1,440 L
Max trunk capacity
1,106 L
Payload
505 - 550 kg
Payload
396 - 418 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, Rear-Wheel Drive
Power HP
116 - 238 HP
Power HP
122 - 540 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
223 km/h
Max Speed
150 - 270 km/h
Torque
200 - 450 Nm
Torque
225 - 4,800 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
90 - 397 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,027
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Renault
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-Wheel Drive or All-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.