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Mercedes GLC vs BMW X6 comparison

Compare performance (680 HP vs 625 HP), boot space and price (50,300 £ vs 83,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or BMW X6?

Mercedes GLC vs BMW X6: Key differences

Mercedes GLC

4.4 (11 Reviews)
rate
  • significantly cheaper
  • very slightly more power
  • significantly more efficient
  • a bit quicker 0–100 km/h
  • somewhat lighter
  • marginally more trunk space

BMW X6

5 (1 Reviews)
rate

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

GLC

Costs and Efficiency:

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

Mercedes GLC is significantly cheaper – starting at 50,300 £ , while the BMW X6 costs 83,600 £ . That’s a price difference of around 33,244 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is significantly more efficient than the BMW X6 with 7.2 L/100km. The difference is about 5.6 L/100km.

X6

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 Mercedes GLC is a bit quicker – completing the sprint in 3.5 s, while the BMW X6 takes 3.9 s. That’s about 0.4 s quicker.

Looking at top speed, the Mercedes GLC is barely faster – reaching 275 km/h, while the BMW X6 tops out at 250 km/h. The difference is around 25 km/h.

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

GLC

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLC is somewhat lighter – 1,910 kg compared to 2,240 kg. The difference is around 330 kg.

Looking at boot space, the Mercedes GLC offers marginally more boot space – 620 L compared to 580 L. That’s a difference of about 40 L.

For maximum load capacity, the Mercedes GLC offers moderately more capacity – up to 1,740 L, about 210 L more than the BMW X6.

When it comes to payload, the BMW X6 carries slightly more – 695 kg compared to 600 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Mercedes GLC stands well ahead of its rival 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

Mercedes GLC
Mercedes E Class
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In the world of luxury vehicles, the Mercedes GLC and the Mercedes E-Klasse both offer a blend of elegance and performance, yet cater to different driving experiences. The GLC, a compact luxury SUV, delivers versatility and a commanding road presence with its higher stance, making it ideal for …
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Land Rover Range Rover Velar
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When comparing the Mercedes GLC to the Land Rover Range Rover Velar, both vehicles offer a luxurious SUV experience, but cater to slightly different preferences. The Mercedes GLC stands out with its refined interior and cutting-edge technology, appealing to those who value comfort and connectivity. …
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BMW X6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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)
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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

BMW X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

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Reviews BMW X6

5 (1 Reviews)
rate
Ioana Annayse Simion
26 Jan 2026, 17:50:11

BMW IS BEST!!!!!!

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

Frequently compared as well

Mercedes GLC
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Mercedes GLC
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In a head-to-head comparison between the Mercedes GLC and the Toyota RAV4, the luxurious GLC excels in offering a refined driving experience and premium interior materials that define its upscale appeal. Meanwhile, the RAV4 impresses with its practicality, reliability, and advanced safety features, …
Mercedes GLC
Volvo XC60
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When it comes to luxury compact SUVs, the Mercedes GLC and Volvo XC60 both offer a blend of performance, style, and cutting-edge technology. The Mercedes GLC stands out with its elegant interior and advanced infotainment system, perfect for those who value luxury and connectivity. Alternatively, …
BMW X1
Mercedes GLC
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In the competitive segment of luxury compact SUVs, the BMW X1 and the Mercedes GLC both deliver a blend of performance, technology, and comfort. The BMW X1 impresses with its sporty handling and efficient engine options, offering a dynamic driving experience, while the Mercedes GLC provides a more …
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BMW X5
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In the battle of luxury SUVs, the BMW X5 stands out with its potent engine options and engaging driving dynamics, catering to those who prioritize performance and handling. On the other hand, the Mercedes-Benz GLC exudes elegance and comfort, showcasing a plush interior and advanced technology that …
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In the showdown between luxury SUVs, the Mercedes GLC offers a more refined cabin experience, with advanced tech features and a smooth ride. On the other hand, the Porsche Macan delivers an engaging driving performance, characterized by its sharp handling and sporty dynamics. Ultimately, while the …
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BMW X6

Costs and Consumption
Price
50,300 - 126,600 £
Price
83,600 - 146,400 £
Consumption L/100km
1.6 - 9.7 L/100km
Consumption L/100km
7.2 - 12.7 L/100km
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
12 - 714 km
Electric Range
-
Battery Capacity
94 kWh
Battery Capacity
-
co2
0 - 221 g/km
co2
188 - 288 g/km
Fuel tank capacity
62 - 65 L
Fuel tank capacity
83 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,910 - 2,535 kg
Curb weight
2,240 - 2,445 kg
Trunk capacity
390 - 620 L
Trunk capacity
580 L
Length
4,716 - 4,845 mm
Length
4,960 mm
Width
1,890 - 1,913 mm
Width
2,004 - 2,019 mm
Height
1,603 - 1,644 mm
Height
1,700 mm
Max trunk capacity
1,490 - 1,740 L
Max trunk capacity
1,530 L
Payload
475 - 600 kg
Payload
595 - 695 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
186 - 680 HP
Power HP
298 - 625 HP
Acceleration 0-100km/h
3.5 - 9 s
Acceleration 0-100km/h
3.9 - 6.1 s
Max Speed
210 - 275 km/h
Max Speed
250 km/h
Torque
320 - 1,020 Nm
Torque
540 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
137 - 500 kW
Power kW
219 - 460 kW
Engine capacity
1,991 - 2,989 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
F, G, D, B, E, A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
BMW
Is the Mercedes GLC offered with different drivetrains?

Available configurations include 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.