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McLaren Supercar Series Roadster vs Mercedes A Class comparison

Compare performance (700 HP vs 421 HP), boot space and price (234,000 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – McLaren Supercar Series Roadster or Mercedes A Class?

McLaren Supercar Series Roadster vs Mercedes A Class: Key differences

McLaren Supercar Series Roadster

  • clearly more power
  • visibly quicker 0–100 km/h
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Mercedes A Class

2.7 (1 Reviews)
rate
  • clearly cheaper
  • significantly more efficient
  • clearly more electric range
  • only slightly lighter
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By Achim Sedelmaier

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

Supercar Series Roadster

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes A Class is clearly cheaper – starting at 32,600 £ , while the McLaren Supercar Series Roadster costs 234,000 £ . That’s a price difference of around 201,432 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is significantly more efficient than the McLaren Supercar Series Roadster with 4.8 L/100km. The difference is about 2.5 L/100km.

As for electric range, the Mercedes A Class offers clearly more range – reaching up to 85 km, about 52 km more than the McLaren Supercar Series Roadster.

A 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 McLaren Supercar Series Roadster offers clearly more power – delivering 700 HP compared to 421 HP. That’s roughly 279 HP more horsepower.

When accelerating from 0 to 100 km/h, the McLaren Supercar Series Roadster is visibly quicker – completing the sprint in 3 s, while the Mercedes A Class takes 3.9 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the McLaren Supercar Series Roadster delivers clearly more torque with 720 Nm compared to 500 Nm. That’s about 220 Nm more.

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 A Class offers more seats – 5 vs 2.

In terms of curb weight, Mercedes A Class is only slightly lighter – 1,440 kg compared to 1,560 kg. The difference is around 120 kg.

Who wins the race in the data check?

The Mercedes A Class is clearly superior 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 £32,600
A Class

Mercedes A Class

  • Engine Type Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.3 - 9 L/100km
  • Electric Range 85 km
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McLaren Supercar Series Roadster
Mercedes A Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

McLaren Supercar Series Roadster

The McLaren Supercar Series Roadster is an open-top masterpiece that turns every drive into a headline, pairing theatrical design with razor-sharp handling so you’ll arrive with a grin and more attention than you bargained for. It feels as much like a race-bred tool as a luxury toy — uncompromising, impeccably made, and utterly addictive for anyone who treats a road as more than just a route.

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Reviews McLaren Supercar Series Roadster

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

Mercedes A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

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18C0292_010
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Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

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McLaren Supercar Series Roadster
Mercedes A Class

Costs and Consumption
Price
234,000 £
Price
32,600 - 66,500 £
Consumption L/100km
4.8 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
33 km
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
108 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,560 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
-
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,913 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
-
Payload
450 - 485 kg

Engine and Performance
Engine Type
Plugin Hybrid
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
700 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
720 Nm
Torque
200 - 500 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
515 kW
Power kW
85 - 310 kW
Engine capacity
2,993 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
C
CO2 Efficiency Class
D, E, B, G
Brand
McLaren
Brand
Mercedes-Benz
What drive types are available for the McLaren Supercar Series Roadster?

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.