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Mercedes SL Class vs Morgan Plus Six comparison

Compare performance (816 HP vs 340 HP), boot space and price (112,700 £ vs 86,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Morgan Plus Six?

Mercedes SL Class vs Morgan Plus Six: Key differences

Mercedes SL Class

  • considerably more power
  • significantly quicker 0–100 km/h

Morgan Plus Six

4.1 (1 Reviews)
rate
  • noticeably cheaper
  • significantly lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

SL Class

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Morgan Plus Six is noticeably cheaper – starting at 86,000 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 26,690 £.

Plus Six

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 considerably more power – delivering 816 HP compared to 340 HP. That’s roughly 476 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 Morgan Plus Six takes 4.2 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 500 Nm. That’s about 920 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: Mercedes SL Class offers more seats – 4 vs 2.

In terms of curb weight, Morgan Plus Six is significantly lighter – 1,075 kg compared to 1,810 kg. The difference is around 735 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 : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L/100km
  • Electric Range : 12 km
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Mercedes SL Class
Morgan Plus Six

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

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

Morgan Plus Six

The Morgan Plus Six is a hand-built British roadster that blends timeless, coachbuilt styling with contemporary engineering, giving you the look of a classic and the confidence of a modern car. It delivers a raw, grin-inducing drive that prioritizes character and connection over creature comforts — ideal for buyers who want a weekend hero rather than a sensible commuter.

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Reviews Morgan Plus Six

4.1 (1 Reviews)
rate
Iain H
24 Dec 2025, 22:19:32

When you first get into a Morgan you know that you’re not in a Porsche. You’re comparing Hugo Boss with Savile Row. A tour of the factory convinced me that the bespoke nature of the Morgan experience had me hooked. A subsequent visit to the Porsche factory museum convinced me that I didn’t want off the peg!

The Plus Six looks like a traditional Morgan, albeit a lot wider. Morgan has done a great job of making a very fast, economical classic looking sports car with a Jekyll and Hyde nature. The car is an absolute missile, with a sub-4 seconds 0-60 time and abundant torque. Fuel consumption is incredibly good, with 37-40mpg average. Handling is very good, albeit not as crisp steering as my Fiat 124 Spider. I made sure that my Plus Six was a 2024 model with traction control. Driving an earlier car without this feature is not for the faint hearted, as the massive power of the engine can overwhelm the Avon tyres quite easily and those cars have a reputation for being difficult to catch when they let go.

The heated comfort plus seats are phenomenal and live up to their name. The hood is still a bit like a Silver Cross pram and not a patch on the lined offering and super quick Fiat 124/Mazda MX-5 offering. The car is quieter with the hood down at speed. But remember that the hood is likely to tear off if you get the car anywhere near its 166mph top speed.

But you know these things when you consider a Morgan. It’s the ultimate high days and holidays vehicle.

The Morgan experience is something special, from the dealers, Brands Hatch Morgan and Williams Automobiles in my case to the constant attention the car gets from onlookers and the camaraderie with fellow Morganistas.

The Plus Six is a considered choice, but so rewarding.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes SL Class
Morgan Plus Six

Costs and Consumption
Price
112,700 - 219,300 £
Price
86,000 - 93,700 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Roadster
Seats
4
Seats
2
Doors
-
Doors
2
Curb weight
1,810 - 2,195 kg
Curb weight
1,075 kg
Trunk capacity
-
Trunk capacity
0 L
Length
-
Length
3,890 mm
Width
1,915 mm
Width
1,756 mm
Height
-
Height
1,220 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
381 - 816 HP
Power HP
340 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
4.2 s
Max Speed
-
Max Speed
267 km/h
Torque
480 - 1,420 Nm
Torque
500 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
280 - 600 kW
Power kW
250 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,998 cm3

General
Model Year
2,025
Model Year
2,019
CO2 Efficiency Class
G
CO2 Efficiency Class
-
Brand
Mercedes-Benz
Brand
Morgan
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.