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Mercedes B Class vs Bentley Bentayga comparison

Compare performance (238 HP vs 550 HP), boot space and price (33,100 £ vs 177,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Bentley Bentayga?

Mercedes B Class vs Bentley Bentayga: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • clearly cheaper
  • substantially more efficient
  • considerably lighter
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Bentley Bentayga

  • substantially more power
  • considerably quicker 0–100 km/h
  • barely more trunk space
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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

B Class

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.

Mercedes B Class is clearly cheaper – starting at 33,100 £ , while the Bentley Bentayga costs 177,300 £ . That’s a price difference of around 144,128 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is substantially more efficient than the Bentley Bentayga with 13 L/100km. The difference is about 7.9 L/100km.

Bentayga

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 Bentley Bentayga offers substantially more power – delivering 550 HP compared to 238 HP. That’s roughly 312 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Bentayga is considerably quicker – completing the sprint in 4.5 s, while the Mercedes B Class takes 6.5 s. That’s about 2 s quicker.

There’s also a difference in torque: the Bentley Bentayga delivers clearly more torque with 770 Nm compared to 400 Nm. That’s about 370 Nm more.

B Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is considerably lighter – 1,405 kg compared to 2,415 kg. The difference is around 1,010 kg.

Looking at boot space, the Bentley Bentayga offers barely more boot space – 484 L compared to 455 L. That’s a difference of about 29 L.

When it comes to payload, the Bentley Bentayga carries noticeably more – 835 kg compared to 550 kg. That’s a difference of about 285 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
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Frequently compared as well

Mercedes B Class
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Mercedes B Class
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Mercedes B Class
Bentley Bentayga

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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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

Bentley Bentayga

The Bentley Bentayga wraps top-tier luxury and SUV practicality into one impeccably finished package, with a hushed cabin and amenities that pamper both driver and passengers. It’s the sort of car that signals success with understatement — a tailored suit on wheels that makes long drives feel like first-class travel.

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Bentayga Odyssean - 1
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Reviews Bentley Bentayga

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

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Mercedes B Class
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Mercedes B Class
Bentley Bentayga

Costs and Consumption
Price
33,100 - 52,500 £
Price
177,300 - 230,400 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
50 km
Battery Capacity
-
Battery Capacity
17.3 kWh
co2
133 - 156 g/km
co2
294 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 85 L

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
5
Curb weight
1,405 - 1,565 kg
Curb weight
2,415 - 2,514 kg
Trunk capacity
445 - 455 L
Trunk capacity
484 L
Length
-
Length
5,125 - 5,305 mm
Width
1,796 mm
Width
1,998 mm
Height
-
Height
1,728 mm
Max trunk capacity
-
Max trunk capacity
1,774 L
Payload
515 - 550 kg
Payload
736 - 835 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 238 HP
Power HP
462 - 550 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
4.5 - 5.3 s
Max Speed
-
Max Speed
254 - 290 km/h
Torque
200 - 400 Nm
Torque
700 - 770 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
85 - 175 kW
Power kW
340 - 404 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2025
Model Year
2,020 - 2,022
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Bentley
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.