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Mercedes SL Class vs Bentley Flying Spur comparison

Compare performance (816 HP vs 550 HP), boot space and price (112,700 £ vs 180,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Bentley Flying Spur?

Mercedes SL Class vs Bentley Flying Spur: Key differences

Mercedes SL Class

  • clearly cheaper
  • clearly more power
  • significantly quicker 0–100 km/h
  • markedly lighter
details

Bentley Flying Spur

  • significantly more efficient
  • substantially more electric range
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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 clearly cheaper – starting at 112,700 £ , while the Bentley Flying Spur costs 180,900 £ . That’s a price difference of around 68,153 £.

Fuel consumption also shows a difference: the Bentley Flying Spur uses 3.3 L/100km and is significantly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 5.7 L/100km.

As for electric range, the Bentley Flying Spur offers substantially more range – reaching up to 41 km, about 29 km more than the Mercedes SL Class.

Flying Spur

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 clearly 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 significantly quicker – completing the sprint in 2.9 s, while the Bentley Flying Spur takes 4.1 s. That’s about 1.2 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.

Both vehicles offer seating for 4 people.

In terms of curb weight, Mercedes SL Class is markedly lighter – 1,810 kg compared to 2,330 kg. The difference is around 520 kg.

When it comes to payload, the Bentley Flying Spur carries significantly more – 650 kg compared to 375 kg. That’s a difference of about 275 kg.

Who wins the race in the data check?

The Bentley Flying Spur is far ahead 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 £180,900
Flying Spur

Bentley Flying Spur

  • Engine Type : Plugin Hybrid, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 544 - 550 HP
  • Consumption L/100km : 3.3 - 12.7 L/100km
  • Electric Range : 41 km
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Mercedes SL Class
Bentley Flying Spur

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

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Bentley Flying Spur

The Bentley Flying Spur wraps landmark luxury and bespoke British craft into a sedan that feels like a private members' club you can park in your driveway. It delivers chauffeur-grade comfort wrapped in driver-focused poise, turning an ordinary commute into a memorably grand arrival.

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Flying Spur Speed - 1
Flying Spur Speed - 2
Flying Spur Speed - 9
Flying Spur Speed - 11
Flying Spur Speed - 12

Reviews Bentley Flying Spur

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Mercedes SL Class
Bentley Flying Spur

Costs and Consumption
Price
112,700 - 219,300 £
Price
180,900 - 186,300 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
3.3 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
41 km
Battery Capacity
-
Battery Capacity
18 kWh
co2
206 - 309 g/km
co2
75 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
80 - 90 L

Dimensions and Body
Body Type
Roadster
Body Type
Sedan
Seats
4
Seats
4
Doors
-
Doors
4
Curb weight
1,810 - 2,195 kg
Curb weight
2,330 - 2,505 kg
Trunk capacity
-
Trunk capacity
420 L
Length
-
Length
5,316 mm
Width
1,915 mm
Width
2,013 mm
Height
-
Height
1,483 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
525 - 650 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
381 - 816 HP
Power HP
544 - 550 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
4.1 - 4.3 s
Max Speed
-
Max Speed
285 - 318 km/h
Torque
480 - 1,420 Nm
Torque
750 - 770 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
280 - 600 kW
Power kW
400 - 404 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2025
Model Year
2,021 - 2,022
CO2 Efficiency Class
G
CO2 Efficiency Class
B, 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.