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Mercedes SL Class vs Bentley Bentayga comparison

Compare performance (816 HP vs 550 HP), boot space and price (112,700 £ vs 177,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Bentley Bentayga?

Mercedes SL Class vs Bentley Bentayga: Key differences

Mercedes SL Class

  • substantially cheaper
  • markedly more power
  • considerably more efficient
  • considerably quicker 0–100 km/h
  • visibly lighter
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Bentley Bentayga

  • substantially more electric range
  • substantially more trunk space
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By Achim Sedelmaier

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

SL Class

Costs and Efficiency:

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

Mercedes SL Class is substantially cheaper – starting at 112,700 £ , while the Bentley Bentayga costs 177,300 £ . That’s a price difference of around 64,553 £.

Fuel consumption also shows a difference: the Mercedes SL Class uses 9 L/100km and is considerably more efficient than the Bentley Bentayga with 13 L/100km. The difference is about 4 L/100km.

As for electric range, the Bentley Bentayga offers substantially more range – reaching up to 50 km, about 38 km more than the Mercedes SL Class.

Bentayga

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class offers markedly more power – delivering 816 HP compared to 550 HP. That’s roughly 266 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is considerably quicker – completing the sprint in 2.9 s, while the Bentley Bentayga takes 4.5 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers clearly more torque with 1,420 Nm compared to 770 Nm. That’s about 650 Nm more.

SL 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.

Seats: Bentley Bentayga offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is visibly lighter – 1,810 kg compared to 2,415 kg. The difference is around 605 kg.

Looking at boot space, the Bentley Bentayga offers substantially more boot space – 484 L compared to 240 L. That’s a difference of about 244 L.

When it comes to payload, the Bentley Bentayga carries substantially more – 835 kg compared to 375 kg. That’s a difference of about 460 kg.

Who wins the race in the data check?

The Mercedes SL Class stands well ahead of its rival 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 £112,700
SL Class

Mercedes SL Class

  • Engine Type Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 435 - 816 HP
  • Consumption L/100km 9 - 13.6 L/100km
  • Electric Range 12 km
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Frequently compared as well

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Mercedes SL Class
Bentley Bentayga

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

details
15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

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

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 - 2
Bentayga Odyssean - 3
Bentayga Odyssean - 4
Bentayga Odyssean - 5
Bentayga Odyssean - 6

Reviews Bentley Bentayga

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Mercedes SL Class
Bentley Bentayga

Costs and Consumption
Price
112,700 - 219,300 £
Price
177,300 - 230,400 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
50 km
Battery Capacity
-
Battery Capacity
17.3 kWh
co2
206 - 309 g/km
co2
294 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 85 L

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
4
Seats
4 - 5
Doors
-
Doors
5
Curb weight
1,810 - 2,195 kg
Curb weight
2,415 - 2,514 kg
Trunk capacity
110 - 240 L
Trunk capacity
484 L
Length
-
Length
5,125 - 5,305 mm
Width
1,915 mm
Width
1,998 mm
Height
-
Height
1,728 mm
Max trunk capacity
-
Max trunk capacity
1,774 L
Payload
145 - 375 kg
Payload
736 - 835 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
462 - 550 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
4.5 - 5.3 s
Max Speed
-
Max Speed
254 - 290 km/h
Torque
500 - 1,420 Nm
Torque
700 - 770 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
320 - 600 kW
Power kW
340 - 404 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2025
Model Year
2,020 - 2,022
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Bentley
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with Rear-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.