Car comparison

BMW 4 Series Coupe (G22) 420dvsMercedes-Benz GLC Coupe (C254) GLC 220d

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

New comparison

BMW 4 Series Coupe (G22)

420d

190 hp1995 ccDieselAWDAutomaticTurbochargedCoupe2020-2024

Mercedes-Benz GLC Coupe (C254)

GLC 220d

197 hp1993 ccDieselAWDAutomaticTwin-turboCoupe2023-present

Comparison overview

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

BMW 4 Series Coupe (G22) 420d

Quickest 0-100 km/h
7.4 s
Fastest top speed
238 km/h
148 mph
Lightest
1,670 kg
3,682 lb
Best power-to-weight
114 hp/t
85 kW/t
8.8 kg/hp
Lowest combined fuel consumption
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Best estimated range
1,283 km
797 mi
Best performance score
53/100
Best economy score
94/100

Mercedes-Benz GLC Coupe (C254) GLC 220d

Most powerful
197 hp
147 kW
Highest torque
440 Nm
325 lb-ft
Largest trunk
545 L
Best overall score
56/100
Best practicality score
72/100

Specification comparison

Specification comparison
Model	BMW4 Series Coupe (G22)420d	Mercedes-BenzGLC Coupe (C254)GLC 220d
Power	190hp142kW	197hp147kW
Torque	400Nm295lb-ft	440Nm325lb-ft
Curb weight	1,670kg3,682lb	2,020kg4,453lb
Gross weight	2,165kg4,773lb	2,550kg5,622lb
Top speed	238 km/h 148 mph	225 km/h 140 mph
To 99% top speed	92.7s99% target: 236 km/h / 146 mph Calculated	119.1s99% target: 223 km/h / 138 mph Calculated
0-100 km/h	7.4s	8.1s
0-200 km/h	31.2s Calculated	45.3s Calculated
0-60 mph	7.0s Calculated	7.6s Calculated
Fuel consumption	4.6L/100 km51.1mpg US61.4mpg UK	5.8L/100 km40.6mpg US48.7mpg UK
Fuel consumption city	5.2L/100 km45.2mpg US54.3mpg UK	-
Fuel consumption highway	4.2L/100 km56mpg US67.3mpg UK	-
Quarter mile	15.3s Calculated	15.9s Calculated
Power-to-weight	114hp/t85kW/t52hp/1000 lb Calculated	98hp/t73kW/t44hp/1000 lb Calculated
Torque-to-weight	240Nm/t160lb-ft/ton Calculated	218Nm/t146lb-ft/ton Calculated
Estimated range	1,283km797mi Calculated	1,069km664mi Calculated
Displacement	1,995cc122cu in	1,993cc122cu in
Length	4,768mm188in	4,769mm188in
Width	1,852mm73in	1,920mm76in
Height	1,390mm55in	1,606mm63in
Wheelbase	2,851mm112in	2,888mm114in
Front track	1,575mm62in	1,628mm64in
Rear track	1,611mm63in	1,642mm65in
Ground clearance	126mm5in	158mm6in
Trunk volume	440L	545L
Max trunk volume	-	1,490L
Doors	2	5
Seats	4	5
Fuel tank	59L	62L

Performance charts

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

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 4 Series Coupe (G22) 420dMercedes-Benz GLC Coupe (C254) GLC 220dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Coupe (G22)420d	4,000 rpm	1,750-2,500 rpm	4,250 rpm
Mercedes-BenzGLC Coupe (C254)GLC 220d	3,600 rpm	1,800-2,800 rpm	3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Coupe (G22)420d	Mercedes-BenzGLC Coupe (C254)GLC 220d
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.0 s	7.6 s
0-100 km/h 0-62 mph	7.4 s	8.1 s
0-200 km/h 0-124 mph	31.2 s	45.3 s
Top speed	238 km/h 148 mph	225 km/h 140 mph
	Drag race simulation
60 ft 18 m	2.5 s	2.4 s
330 ft 101 m	6.6 s	6.7 s
1/8 mile 201 m	10.0 s	10.2 s
1000 ft 305 m	12.9 s	13.3 s
1/4 mile 402 m	15.3 s	15.9 s
Trap speed 1/4 mile 402 m	151 km/h 94 mph	141 km/h 88 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	190 hp 142 kW
Mercedes-BenzGLC Coupe (C254)GLC 220d	197 hp 147 kW

Mercedes-Benz GLC Coupe (C254) GLC 220d has 7 hp more than BMW 4 Series Coupe (G22) 420d.

The biggest power difference is between BMW 4 Series Coupe (G22) 420d and Mercedes-Benz GLC Coupe (C254) GLC 220d: 7 hp (5 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	400 Nm 295 lb-ft
Mercedes-BenzGLC Coupe (C254)GLC 220d	440 Nm 325 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	1,670 kg 3,682 lb
Mercedes-BenzGLC Coupe (C254)GLC 220d	2,020 kg 4,453 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
BMW4 Series Coupe (G22)420d	238 km/h 148 mph
Mercedes-BenzGLC Coupe (C254)GLC 220d	225 km/h 140 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	7.4 s
Mercedes-BenzGLC Coupe (C254)GLC 220d	8.1 s

Although Mercedes-Benz GLC Coupe (C254) GLC 220d has more power, BMW 4 Series Coupe (G22) 420d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (G22) 420d and Mercedes-Benz GLC Coupe (C254) GLC 220d: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	4.6 L/100 km 51.1 mpg US 61.4 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 220d	5.8 L/100 km 40.6 mpg US 48.7 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (G22) 420d and Mercedes-Benz GLC Coupe (C254) GLC 220d: 1.2 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	114 hp/t 85 kW/t 8.8 kg/hp
Mercedes-BenzGLC Coupe (C254)GLC 220d	98 hp/t 73 kW/t 10.3 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)420d	1,283 km 797 mi
Mercedes-BenzGLC Coupe (C254)GLC 220d	1,069 km 664 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW4 Series Coupe (G22)420d	190 hp 142 kW	7.4 s	238 km/h 148 mph
Mercedes-BenzGLC Coupe (C254)GLC 220d	197 hp 147 kW	8.1 s	225 km/h 140 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

BMW4 Series Coupe (G22)420d

Power	190 hp 142 kW
0-100 km/h	7.4 s
Top speed 238 km/h 148 mph

Doors/seats	2 doors 4 seats
Trunk	440 L 15.5 cu ft
Length	4,768 mm 187.7 in
Height	1,390 mm 54.7 in

Mercedes-BenzGLC Coupe (C254)GLC 220d

Power	197 hp 147 kW
0-100 km/h	8.1 s
Top speed 225 km/h 140 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

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

BMW4 Series Coupe (G22)420d

Power	190 hp 142 kW
0-100 km/h	7.4 s
Top speed 238 km/h 148 mph

4.6 L/100 km

51.1 mpg US

61.4 mpg UK

Mercedes-BenzGLC Coupe (C254)GLC 220d

Power	197 hp 147 kW
0-100 km/h	8.1 s
Top speed 225 km/h 140 mph

5.8 L/100 km

40.6 mpg US

48.7 mpg UK

BMW 4 Series Coupe (G22) 420d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW4 Series Coupe (G22)420d	4.6 L/100 km 51.1 mpg US 61.4 mpg UK	7.4 s
Mercedes-BenzGLC Coupe (C254)GLC 220d	5.8 L/100 km 40.6 mpg US 48.7 mpg UK	8.1 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW4 Series Coupe (G22)420d	114 hp/t 85 kW/t 8.8 kg/hp	4.6 L/100 km 51.1 mpg US 61.4 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 220d	98 hp/t 73 kW/t 10.3 kg/hp	5.8 L/100 km 40.6 mpg US 48.7 mpg UK

Detailed score breakdown

Vehicle

BMW4 Series Coupe (G22)420d

Mercedes-BenzGLC Coupe (C254)GLC 220d

Power

190 hp

142 kW

197 hp

147 kW

Torque

400 Nm

295 lb-ft

440 Nm

325 lb-ft

Acceleration

7.4 s

8.1 s

Top speed

238 km/h

148 mph

225 km/h

140 mph

Lightness

1,670 kg

3,682 lb

2,020 kg

4,453 lb

Fuel consumption

4.6 L/100 km

51.1 mpg US

61.4 mpg UK

5.8 L/100 km

40.6 mpg US

48.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	440 L 15.5 cu ft
Length	4,768 mm 187.7 in
Height	1,390 mm 54.7 in

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

Range score

1,283 km

797 mi

1,069 km

664 mi

Trunk score

440 L

15.5 cu ft

545 L

19.2 cu ft

Power-to-weight score

114 hp/t

85 kW/t

8.8 kg/hp

98 hp/t

73 kW/t

10.3 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	BMW 4 Series Coupe (G22) 420d	Mercedes-Benz GLC Coupe (C254) GLC 220d
Consumption	4.6 L/100 km51.1 mpg US61.4 mpg UK	5.8 L/100 km40.6 mpg US48.7 mpg UK
Cost / 100 km	8.05 LC100 km	10.15 LC100 km
Cost / 100 mi	12.96 LC100 mi	16.33 LC100 mi
Annual fuel used	690 L182 US gal152 UK gal	870 L230 US gal191 UK gal
Annual fuel cost	1,208 LC/year	1,523 LC/year