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Mercedes SL Class vs Subaru Impreza comparison

Compare performance (816 HP vs 136 HP), boot space and price (112,700 £ vs 30,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Subaru Impreza?

Mercedes SL Class vs Subaru Impreza: Key differences

Mercedes SL Class

  • substantially more power
  • significantly quicker 0–100 km/h
details

Subaru Impreza

5 (2 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • moderately lighter
  • clearly more trunk space
details

By Achim Sedelmaier

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

SL Class

Costs and Efficiency:

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

Subaru Impreza is substantially cheaper – starting at 30,300 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 82,396 £.

Fuel consumption also shows a difference: the Subaru Impreza uses 7.3 L/100km and is clearly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 1.7 L/100km.

Impreza

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class offers substantially more power – delivering 816 HP compared to 136 HP. That’s roughly 680 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 Subaru Impreza takes 10.6 s. That’s about 7.7 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 182 Nm. That’s about 1,238 Nm more.

SL Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Subaru Impreza offers more seats – 5 vs 4.

In terms of curb weight, Subaru Impreza is moderately lighter – 1,574 kg compared to 1,810 kg. The difference is around 236 kg.

Looking at boot space, the Subaru Impreza offers clearly more boot space – 315 L compared to 240 L. That’s a difference of about 75 L.

When it comes to payload, the Subaru Impreza carries clearly more – 526 kg compared to 375 kg. That’s a difference of about 151 kg.

Who wins the race in the data check?

The Mercedes SL 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 £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
details

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Mercedes SL Class
Subaru Impreza

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.

details
15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

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

Subaru Impreza

The Subaru Impreza feels like a trusty companion built for everyday adventures, shrugging off bad weather and awkward parking with quiet competence. It won't win any style contests, but its sensible cabin, grippy manners, and honest driving character make it a smart pick for buyers who prefer substance over flash.

details
csm_24MY_Impreza_Sport_-_3_33d643cf2c

Reviews Subaru Impreza

5 (2 Reviews)
rate

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

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Mercedes SL Class
Subaru Impreza

Costs and Consumption
Price
112,700 - 219,300 £
Price
30,300 - 32,500 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
7.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
166 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,574 - 1,599 kg
Trunk capacity
110 - 240 L
Trunk capacity
315 L
Length
-
Length
-
Width
1,915 mm
Width
1,780 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
501 - 526 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
CVT
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
136 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
10.6 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
182 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
320 - 600 kW
Power kW
100 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
1,995 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
F
Brand
Mercedes-Benz
Brand
Subaru
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.