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Mercedes SL Class vs Ford Mustang Convertible comparison

Compare performance (816 HP vs 446 HP), boot space and price (112,700 £ vs 56,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Ford Mustang Convertible?

Mercedes SL Class vs Ford Mustang Convertible: Key differences

Mercedes SL Class

  • significantly more power
  • clearly more efficient
  • considerably quicker 0–100 km/h
  • very slightly lighter
details

Ford Mustang Convertible

  • considerably cheaper
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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.

Ford Mustang Convertible is considerably cheaper – starting at 56,900 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 55,790 £.

Fuel consumption also shows a difference: the Mercedes SL Class uses 9 L/100km and is clearly more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 3.3 L/100km.

Mustang Convertible

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 SL Class offers significantly more power – delivering 816 HP compared to 446 HP. That’s roughly 370 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 Ford Mustang Convertible takes 5 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 540 Nm. That’s about 880 Nm more.

SL Class

Space and Everyday Use:

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

Both vehicles offer seating for 4 people.

In terms of curb weight, Mercedes SL Class is very slightly lighter – 1,810 kg compared to 1,876 kg. The difference is around 66 kg.

When it comes to payload, the Mercedes SL Class carries a bit more – 375 kg compared to 324 kg. That’s a difference of about 51 kg.

Who wins the race in the data check?

The Mercedes SL Class holds a decisive overall lead 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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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.

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Reviews Mercedes SL Class

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Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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NEW_FORD_MUSTANG_28-LOW
NEW_FORD_MUSTANG_12-LOW
NEW_FORD_MUSTANG_25-LOW

Reviews Ford Mustang Convertible

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

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Mercedes SL Class
Ford Mustang Convertible

Costs and Consumption
Price
112,700 - 219,300 £
Price
56,900 - 59,900 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
12.3 - 12.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
280 - 282 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Convertible
Seats
4
Seats
4
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,876 kg
Trunk capacity
110 - 240 L
Trunk capacity
-
Length
-
Length
-
Width
1,915 mm
Width
1,916 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
319 - 324 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
435 - 816 HP
Power HP
446 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
5 - 5.4 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
540 Nm
Number of Cylinders
4 - 8
Number of Cylinders
8
Power kW
320 - 600 kW
Power kW
328 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
5,038 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Ford
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.