Car comparison

Mercedes-Benz GLC Coupe (C254) GLC 300dvsXPENG G6 · Facelift 2025 Long Range 68.5 kWh

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz GLC Coupe (C254)

GLC 300d

269 hp1993 ccDieselAWDAutomaticTwin-turboCoupe2023-present

XPENG G6 · Facelift 2025

Long Range 68.5 kWh

296 hpElectricRWDAutomaticCoupe2025-present

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Mercedes-Benz GLC Coupe (C254) GLC 300d

Quickest 0-100 km/h
6.4 s
Fastest top speed
249 km/h
155 mph
Highest torque
550 Nm
406 lb-ft
Best overall score
65/100
Best performance score
62/100
Best economy score
90/100

XPENG G6 Facelift 2025 Long Range 68.5 kWh

Most powerful
296 hp
221 kW
Lightest
2,030 kg
4,475 lb
Best power-to-weight
146 hp/t
109 kW/t
6.9 kg/hp
Largest trunk
647 L
Best practicality score
76/100

Specification comparison

Specification comparison
Model	Mercedes-BenzGLC Coupe (C254)GLC 300d	XPENGG6Facelift 2025Long Range 68.5 kWh
Power	269hp201kW	296hp221kW
Torque	550Nm406lb-ft	450Nm332lb-ft
Curb weight	2,045kg4,508lb	2,030kg4,475lb
Gross weight	2,570kg5,666lb	-
Top speed	249 km/h 155 mph	Unrestricted 215 km/h134 mph Restricted 202 km/h126 mph Calculated
To 99% top speed	105.1s99% target: 247 km/h / 153 mph Calculated	72.0s99% target: 213 km/h / 132 mph Calculated
0-100 km/h	6.4s	6.4s
0-200 km/h	27.9s Calculated	37.1s Calculated
0-60 mph	6.0s Calculated	6.0s Calculated
Fuel consumption	6.1L/100 km38.6mpg US46.3mpg UK	-
Quarter mile	14.5s Calculated	14.6s Calculated
Power-to-weight	132hp/t98kW/t60hp/1000 lb Calculated	146hp/t109kW/t66hp/1000 lb Calculated
Torque-to-weight	269Nm/t180lb-ft/ton Calculated	222Nm/t148lb-ft/ton Calculated
Estimated range	1,016km632mi Calculated	-
Displacement	1,993cc122cu in	-
Length	4,769mm188in	4,758mm187in
Width	1,920mm76in	1,920mm76in
Height	1,606mm63in	1,650mm65in
Wheelbase	2,888mm114in	2,890mm114in
Front track	1,628mm64in	-
Rear track	1,642mm65in	-
Ground clearance	158mm6in	-
Trunk volume	545L	647L
Max trunk volume	1,490L	1,752L
Doors	5	5
Seats	5	5
Fuel tank	62L	-

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzGLC Coupe (C254)GLC 300d	XPENGG6Facelift 2025Long Range 68.5 kWh
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.0 s	6.0 s
0-100 km/h 0-62 mph	6.4 s	6.4 s
0-200 km/h 0-124 mph	27.9 s	37.1 s
Top speed	249 km/h 155 mph	Unrestricted 215 km/h134 mph Restricted 202 km/h126 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.3 s
330 ft 101 m	6.2 s	6.2 s
1/8 mile 201 m	9.4 s	9.4 s
1000 ft 305 m	12.2 s	12.2 s
1/4 mile 402 m	14.5 s	14.6 s
Trap speed 1/4 mile 402 m	155 km/h 96 mph	153 km/h 95 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	269 hp 201 kW
XPENGG6Facelift 2025Long Range 68.5 kWh	296 hp 221 kW

XPENG G6 Facelift 2025 Long Range 68.5 kWh has 27 hp more than Mercedes-Benz GLC Coupe (C254) GLC 300d.

The biggest power difference is between Mercedes-Benz GLC Coupe (C254) GLC 300d and XPENG G6 Facelift 2025 Long Range 68.5 kWh: 27 hp (20 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	550 Nm 406 lb-ft
XPENGG6Facelift 2025Long Range 68.5 kWh	450 Nm 332 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	2,045 kg 4,508 lb
XPENGG6Facelift 2025Long Range 68.5 kWh	2,030 kg 4,475 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	249 km/h 155 mph
XPENGG6Facelift 2025Long Range 68.5 kWh	Unrestricted 215 km/h134 mph Restricted 202 km/h126 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.4 s
XPENGG6Facelift 2025Long Range 68.5 kWh	6.4 s

Although XPENG G6 Facelift 2025 Long Range 68.5 kWh has more power, Mercedes-Benz GLC Coupe (C254) GLC 300d is quicker from 0-100 km/h.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzGLC Coupe (C254)GLC 300d	132 hp/t 98 kW/t 7.6 kg/hp
XPENGG6Facelift 2025Long Range 68.5 kWh	146 hp/t 109 kW/t 6.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzGLC Coupe (C254)GLC 300d	269 hp 201 kW	6.4 s	249 km/h 155 mph
XPENGG6Facelift 2025Long Range 68.5 kWh	296 hp 221 kW	6.4 s	Unrestricted 215 km/h134 mph Restricted 202 km/h126 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzGLC Coupe (C254)GLC 300d

Power	269 hp 201 kW
0-100 km/h	6.4 s
Top speed 249 km/h 155 mph

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,769 mm 187.8 in
Height	1,606 mm 63.2 in

XPENGG6Facelift 2025Long Range 68.5 kWh

Power	296 hp 221 kW
0-100 km/h	6.4 s
Top speed Unrestricted 215 km/h134 mph Restricted 202 km/h126 mph

Doors/seats	5 doors 5 seats
Trunk	647 L 22.8 cu ft
Length	4,758 mm 187.3 in
Height	1,650 mm 65.0 in

Detailed score breakdown

Vehicle

Mercedes-BenzGLC Coupe (C254)GLC 300d

XPENGG6Facelift 2025Long Range 68.5 kWh

Power

269 hp

201 kW

296 hp

221 kW

Torque

550 Nm

406 lb-ft

450 Nm

332 lb-ft

Acceleration

6.4 s

Top speed

249 km/h

155 mph

Unrestricted

215 km/h134 mph

Restricted

202 km/h126 mph

Lightness

2,045 kg

4,508 lb

2,030 kg

4,475 lb

Fuel consumption

6.1 L/100 km

38.6 mpg US

46.3 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,769 mm 187.8 in
Height	1,606 mm 63.2 in

Doors/seats	5 doors 5 seats
Trunk	647 L 22.8 cu ft
Length	4,758 mm 187.3 in
Height	1,650 mm 65.0 in

Range score

1,016 km

632 mi

Trunk score

545 L

19.2 cu ft

647 L

22.8 cu ft

Power-to-weight score

132 hp/t

98 kW/t

7.6 kg/hp

146 hp/t

109 kW/t

6.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Mercedes-Benz GLC Coupe (C254) GLC 300d
Consumption	6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km	10.67 LC100 km
Cost / 100 mi	17.18 LC100 mi
Annual fuel used	915 L242 US gal201 UK gal
Annual fuel cost	1,601 LC/year