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BMW 8 Series Coupé vs Mercedes GLC comparison

Compare performance (625 HP vs 680 HP), boot space and price (90,000 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Mercedes GLC?

BMW 8 Series Coupé vs Mercedes GLC: Key differences

BMW 8 Series Coupé

  • barely quicker 0–100 km/h
  • barely lighter

Mercedes GLC

4.4 (11 Reviews)
rate
  • considerably cheaper
  • very slightly more power
  • considerably more efficient
  • markedly more trunk space

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

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

8 Series Coupé

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 GLC is considerably cheaper – starting at 50,300 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 39,673 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is considerably more efficient than the BMW 8 Series Coupé with 6.7 L/100km. The difference is about 5.1 L/100km.

GLC

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 GLC offers very slightly more power – delivering 680 HP compared to 625 HP. That’s roughly 55 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Coupé is barely quicker – completing the sprint in 3.2 s, while the Mercedes GLC takes 3.5 s. That’s about 0.3 s quicker.

Looking at top speed, the Mercedes GLC is only slightly faster – reaching 275 km/h, while the BMW 8 Series Coupé tops out at 250 km/h. The difference is around 25 km/h.

There’s also a difference in torque: the Mercedes GLC delivers clearly more torque with 1,020 Nm compared to 750 Nm. That’s about 270 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 8 Series Coupé is barely lighter – 1,805 kg compared to 1,910 kg. The difference is around 105 kg.

Looking at boot space, the Mercedes GLC offers markedly more boot space – 620 L compared to 440 L. That’s a difference of about 180 L.

When it comes to payload, the Mercedes GLC carries very slightly more – 600 kg compared to 545 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The Mercedes GLC is decisively 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 £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.7 L/100km
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 12 - 714 km
details

Frequently compared as well

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BMW 8 Series Coupé
Mercedes GLC

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.

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Reviews BMW 8 Series Coupé

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

Mercedes GLC

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Reviews Mercedes GLC

4.4 (11 Reviews)
rate
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium 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 Coupé
Mercedes GLC

Costs and Consumption
Price
90,000 - 158,900 £
Price
50,300 - 126,600 £
Consumption L/100km
6.7 - 11.5 L/100km
Consumption L/100km
1.6 - 9.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Electric Range
-
Electric Range
12 - 714 km
Battery Capacity
-
Battery Capacity
94 kWh
co2
176 - 263 g/km
co2
0 - 221 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
62 - 65 L

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
4 - 5
Seats
5
Doors
2 - 4
Doors
5
Curb weight
1,805 - 2,085 kg
Curb weight
1,910 - 2,535 kg
Trunk capacity
420 - 440 L
Trunk capacity
390 - 620 L
Length
4,851 - 5,098 mm
Length
4,716 - 4,845 mm
Width
1,902 - 1,943 mm
Width
1,890 - 1,913 mm
Height
1,346 - 1,420 mm
Height
1,603 - 1,644 mm
Max trunk capacity
-
Max trunk capacity
1,490 - 1,740 L
Payload
370 - 545 kg
Payload
475 - 600 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 625 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
250 km/h
Max Speed
210 - 275 km/h
Torque
500 - 750 Nm
Torque
320 - 1,020 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
245 - 460 kW
Power kW
137 - 500 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,991 - 2,989 cm3

General
Model Year
2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
F, G, D, B, E, A
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.