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Mazda 6 Saloon vs Mercedes SL Class comparison

Compare performance (258 HP vs 816 HP), boot space and price (38,500 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Mercedes SL Class?

Mazda 6 Saloon vs Mercedes SL Class: Key differences

Mazda 6 Saloon

  • significantly cheaper
  • clearly more electric range
  • noticeably more trunk space
details

Mercedes SL Class

  • clearly more power
  • considerably quicker 0–100 km/h
  • slightly lighter
details

By Achim Sedelmaier

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

6 Saloon

Costs and Efficiency:

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

Mazda 6 Saloon is significantly cheaper – starting at 38,500 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 74,219 £.

As for electric range, the Mazda 6 Saloon offers clearly more range – reaching up to 552 km, about 540 km more than the Mercedes SL Class.

SL Class

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 clearly 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 considerably quicker – completing the sprint in 2.9 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 4.7 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers significantly more torque with 1,420 Nm compared to 320 Nm. That’s about 1,100 Nm more.

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: Mazda 6 Saloon offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is slightly lighter – 1,810 kg compared to 2,027 kg. The difference is around 217 kg.

Looking at boot space, the Mazda 6 Saloon offers noticeably more boot space – 336 L compared to 240 L. That’s a difference of about 96 L.

When it comes to payload, the Mercedes SL Class carries only slightly more – 375 kg compared to 360 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Mazda 6 Saloon comes out clearly ahead 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 £38,500
6 Saloon

Mazda 6 Saloon

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 245 - 258 HP
  • Consumption kWh/100km 16.5 - 16.6 kWh/100km
  • Electric Range 479 - 552 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Reviews Mazda 6 Saloon

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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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Costs and Consumption
Price
38,500 - 41,600 £
Price
112,700 - 219,300 £
Consumption L/100km
-
Consumption L/100km
9 - 13.6 L/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
479 - 552 km
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Roadster
Seats
5
Seats
4
Doors
5
Doors
-
Curb weight
2,027 - 2,028 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
336 L
Trunk capacity
110 - 240 L
Length
4,921 mm
Length
-
Width
1,890 mm
Width
1,915 mm
Height
1,491 mm
Height
-
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
245 - 258 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
2.9 - 4.7 s
Max Speed
175 km/h
Max Speed
-
Torque
320 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
-
Number of Cylinders
4 - 8
Power kW
180 - 190 kW
Power kW
320 - 600 kW
Engine capacity
-
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mazda
Brand
Mercedes-Benz
What drive types are available for the Mazda 6 Saloon?

The Mazda 6 Saloon 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.