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Ford Mustang Convertible vs Mercedes SL Class comparison

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

Ford Mustang Convertible vs Mercedes SL Class: Key differences

Ford Mustang Convertible

  • substantially cheaper
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Mercedes SL Class

  • substantially more power
  • visibly more efficient
  • clearly quicker 0–100 km/h
  • barely lighter
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By Achim Sedelmaier

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

Mustang Convertible

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 substantially 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 visibly more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 3.3 L/100km.

SL Class

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 Mercedes SL Class offers substantially 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 clearly 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 considerably more torque with 1,420 Nm compared to 540 Nm. That’s about 880 Nm more.

Mustang Convertible

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 barely 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 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 £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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Ford Mustang Convertible
Mercedes SL Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Ford Mustang Convertible

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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

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

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Ford Mustang Convertible
Mercedes SL Class

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

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

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

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Ford
Brand
Mercedes-Benz
Is the Ford Mustang Convertible offered with different drivetrains?

The Ford Mustang Convertible is available as Rear-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.