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BMW 8 Series Convertible vs Mercedes E Class comparison

Compare performance (625 HP vs 585 HP), boot space and price (99,400 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Mercedes E Class?

BMW 8 Series Convertible vs Mercedes E Class: Key differences

BMW 8 Series Convertible

  • marginally more power
  • visibly quicker 0–100 km/h
details

Mercedes E Class

4.7 (2 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • barely lighter
  • noticeably more trunk space
details

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

By Achim Sedelmaier

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

8 Series Convertible

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.

Mercedes E Class is clearly cheaper – starting at 50,500 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 48,938 £.

Fuel consumption also shows a difference: the Mercedes E Class uses 1.5 L/100km and is considerably more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 5.4 L/100km.

E 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 BMW 8 Series Convertible offers marginally more power – delivering 625 HP compared to 585 HP. That’s roughly 40 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is visibly quicker – completing the sprint in 3.3 s, while the Mercedes E Class takes 4 s. That’s about 0.7 s quicker.

Both models offer the same torque – 750 Nm.

8 Series Convertible

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes E Class offers more seats – 5 vs 4.

In terms of curb weight, Mercedes E Class is barely lighter – 1,810 kg compared to 1,915 kg. The difference is around 105 kg.

Looking at boot space, the Mercedes E Class offers noticeably more boot space – 540 L compared to 350 L. That’s a difference of about 190 L.

When it comes to payload, the Mercedes E Class carries visibly more – 640 kg compared to 425 kg. That’s a difference of about 215 kg.

Who wins the race in the data check?

The Mercedes E 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 £50,500
E Class

Mercedes E Class

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 585 HP
  • Consumption L/100km : 1.5 - 7.5 L/100km
  • Electric Range : 101 - 116 km
details

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BMW 8 Series Convertible
Mercedes E Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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P90343983_highRes_the-new-bmw-m850i-xd
P90343979_highRes_the-new-bmw-m850i-xd

Reviews BMW 8 Series Convertible

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

Mercedes E Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

details
19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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BMW 8 Series Convertible
Mercedes E Class

Costs and Consumption
Price
99,400 - 165,800 £
Price
50,500 - 119,700 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
39 - 172 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Sedan
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
350 L
Trunk capacity
370 - 540 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,880 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
186 - 585 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
320 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
245 - 460 kW
Power kW
137 - 430 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2024
Model Year
2,024 - 2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, F, B, D
Brand
BMW
Brand
Mercedes-Benz
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include 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.