VS

BMW 8 Series Coupé vs Mercedes SL Class comparison

Compare performance (625 HP vs 816 HP), boot space and price (90,000 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Mercedes SL Class?

BMW 8 Series Coupé vs Mercedes SL Class: Key differences

BMW 8 Series Coupé

  • noticeably cheaper
  • visibly more efficient
  • only slightly lighter
details

Mercedes SL Class

  • noticeably more power
  • a bit quicker 0–100 km/h
details

By Achim Sedelmaier

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

8 Series Coupé

Costs and Efficiency:

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

BMW 8 Series Coupé is noticeably cheaper – starting at 90,000 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 22,704 £.

Fuel consumption also shows a difference: the BMW 8 Series Coupé uses 6.7 L/100km and is visibly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 2.3 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 noticeably more power – delivering 816 HP compared to 625 HP. That’s roughly 191 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is a bit quicker – completing the sprint in 2.9 s, while the BMW 8 Series Coupé takes 3.2 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers considerably more torque with 1,420 Nm compared to 750 Nm. That’s about 670 Nm more.

8 Series Coupé

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: BMW 8 Series Coupé offers more seats – 5 vs 4.

In terms of curb weight, BMW 8 Series Coupé is only slightly lighter – 1,805 kg compared to 1,810 kg. The difference is around 5 kg.

When it comes to payload, the BMW 8 Series Coupé carries clearly more – 545 kg compared to 375 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The BMW 8 Series Coupé holds a narrow 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 £90,000
8 Series Coupé

BMW 8 Series Coupé

  • Engine Type : Diesel MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 333 - 625 HP
  • Consumption L/100km : 6.7 - 11.5 L/100km
details

Frequently compared as well

Mercedes AMG GT
Mercedes SL Class
VS
Unsure whether the Mercedes AMG GT or the Mercedes SL Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes CLE Convertible
Mercedes SL Class
VS
The Mercedes CLE Convertible and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 8 Series Coupé
Mercedes SL Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

details
P90400884_highRes_the-bmw-8-series-cou
P90449410_highRes_bmw-m850i-xdrive-cou
P90449433_highRes_bmw-m850i-xdrive-cou
P90449438_highRes_bmw-m850i-xdrive-cou (1)
P90348805_highRes_the-all-new-bmw-m8-c

Reviews BMW 8 Series Coupé

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

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.

Frequently compared as well

Mercedes SL Class
Mercedes S-Class
VS
Unsure whether the Mercedes SL Class or the Mercedes S-Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes SL Class
Bentley Continental Convertible
VS
Unsure whether the Mercedes SL Class or the Bentley Continental Convertible is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes SL Class
Porsche Boxster
VS
Unsure whether the Mercedes SL Class or the Porsche Boxster is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW 8 Series Coupé
Toyota Supra
VS
BMW 8 Series Coupé and Toyota Supra go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes SL Class
Ferrari SF90 Roadster
VS
Mercedes SL Class and Ferrari SF90 Roadster go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes SL Class
Ferrari SF90 Coupe
VS
Unsure whether the Mercedes SL Class or the Ferrari SF90 Coupe is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes SL Class
Porsche 911 Convertible
VS
Mercedes SL Class and Porsche 911 Convertible go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Audi A6 Avant
BMW 8 Series Coupé
VS
Unsure whether the Audi A6 Avant or the BMW 8 Series Coupé is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW 8 Series Coupé
Mercedes SL Class

Costs and Consumption
Price
90,000 - 158,900 £
Price
112,700 - 219,300 £
Consumption L/100km
6.7 - 11.5 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
176 - 263 g/km
co2
206 - 309 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Roadster
Seats
4 - 5
Seats
4
Doors
2 - 4
Doors
-
Curb weight
1,805 - 2,085 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
420 - 440 L
Trunk capacity
-
Length
4,851 - 5,098 mm
Length
-
Width
1,902 - 1,943 mm
Width
1,915 mm
Height
1,346 - 1,420 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
370 - 545 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
333 - 625 HP
Power HP
381 - 816 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
480 - 1,420 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 8
Power kW
245 - 460 kW
Power kW
280 - 600 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 8 Series Coupé?

The BMW 8 Series Coupé is offered with All-Wheel Drive or 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.