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Morgan Plus Four vs Mercedes SL Class comparison

Compare performance (258 HP vs 816 HP), boot space and price (65,900 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Morgan Plus Four or Mercedes SL Class?

Morgan Plus Four vs Mercedes SL Class: Key differences

Morgan Plus Four

  • clearly cheaper
  • visibly more efficient
  • substantially lighter
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Mercedes SL Class

  • substantially more power
  • substantially quicker 0–100 km/h
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By Achim Sedelmaier

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

Plus Four

Costs and Efficiency:

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

Morgan Plus Four is clearly cheaper – starting at 65,900 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 46,790 £.

Fuel consumption also shows a difference: the Morgan Plus Four uses 7 L/100km and is visibly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 2 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 258 HP. That’s roughly 558 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is substantially quicker – completing the sprint in 2.9 s, while the Morgan Plus Four takes 4.8 s. That’s about 1.9 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 400 Nm. That’s about 1,020 Nm more.

Space and Everyday Use:

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

Seats: Mercedes SL Class offers more seats – 4 vs 2.

In terms of curb weight, Morgan Plus Four is substantially lighter – 1,009 kg compared to 1,810 kg. The difference is around 801 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Morgan Plus Four

The Morgan Plus Four is a charming, hand-built roadster that marries classic coachbuilt style with surprisingly sure-footed modern manners, ideal for buyers who want personality over anonymity. Its open-top theatrics and tactile controls turn every country lane into a small celebration, and while it isn’t for fans of bland practicality, it rewards enthusiasts with pure, unfiltered driving delight.

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Reviews Morgan Plus Four

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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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Mercedes SL Class

Costs and Consumption
Price
65,900 - 68,600 £
Price
112,700 - 219,300 £
Consumption L/100km
7 - 7.3 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
159 - 165 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Roadster
Seats
2
Seats
4
Doors
-
Doors
-
Curb weight
1,009 - 1,013 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
-
Trunk capacity
110 - 240 L
Length
-
Length
-
Width
1,650 mm
Width
1,915 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
-
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
258 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
4.8 - 5.2 s
Acceleration 0-100km/h
2.9 - 4.7 s
Max Speed
-
Max Speed
-
Torque
350 - 400 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
190 kW
Power kW
320 - 600 kW
Engine capacity
1,998 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2020
Model Year
2025
CO2 Efficiency Class
F
CO2 Efficiency Class
G
Brand
Morgan
Brand
Mercedes-Benz
What drive types are available for the Morgan Plus Four?

Available configurations include 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.