Car comparison

BMW 4 Series Gran Coupe (G26) 420dvsBMW X3 (G01 LCI) · Facelift 2021 20d

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

New comparison

BMW 4 Series Gran Coupe (G26)

420d

190 hp1995 ccDieselAWDAutomaticTurbochargedCoupe2021-2024

BMW X3 (G01 LCI) · Facelift 2021

20d

190 hp1995 ccDieselAWDAutomaticTurbocharged2021-2024

Comparison overview

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

BMW 4 Series Gran Coupe (G26) 420d

Quickest 0-100 km/h
7.6 s
Fastest top speed
233 km/h
145 mph
Most powerful
190 hp
142 kW
Highest torque
400 Nm
295 lb-ft
Lightest
1,760 kg
3,880 lb
Best power-to-weight
108 hp/t
81 kW/t
9.3 kg/hp
Lowest combined fuel consumption
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
Best overall score
57/100
Best performance score
52/100
Best economy score
91/100

BMW X3 (G01 LCI) Facelift 2021 20d

Best estimated range
1,046 km
650 mi
Largest trunk
550 L
Best practicality score
77/100

Specification comparison

Specification comparison
Model	BMW4 Series Gran Coupe (G26)420d	BMWX3 (G01 LCI)Facelift 202120d
Power	190hp142kW	190hp142kW
Torque	400Nm295lb-ft	400Nm295lb-ft
Curb weight	1,760kg3,880lb	1,840kg4,057lb
Gross weight	2,315kg5,104lb	2,500kg5,512lb
Top speed	233 km/h 145 mph	213 km/h 132 mph
To 99% top speed	95.5s99% target: 231 km/h / 143 mph Calculated	96.2s99% target: 211 km/h / 131 mph Calculated
0-100 km/h	7.6s	7.9s
0-200 km/h	34.1s Calculated	51.3s Calculated
0-60 mph	7.2s Calculated	7.4s Calculated
Fuel consumption	5.7L/100 km41.3mpg US49.6mpg UK	6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile	15.5s Calculated	15.7s Calculated
Power-to-weight	108hp/t81kW/t49hp/1000 lb Calculated	103hp/t77kW/t47hp/1000 lb Calculated
Torque-to-weight	227Nm/t152lb-ft/ton Calculated	217Nm/t145lb-ft/ton Calculated
Estimated range	1,035km643mi Calculated	1,046km650mi Calculated
Displacement	1,995cc122cu in	1,995cc122cu in
Length	4,783mm188in	4,708mm185in
Width	1,852mm73in	1,891mm74in
Height	1,442mm57in	1,676mm66in
Wheelbase	2,856mm112in	2,864mm113in
Front track	1,597mm63in	1,620mm64in
Rear track	1,624mm64in	1,636mm64in
Ground clearance	140mm6in	204mm8in
Trunk volume	470L	550L
Max trunk volume	1,290L	1,600L
Doors	5	5
Seats	5	5
Fuel tank	59L	68L

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 Gran Coupe (G26) 420dBMW X3 (G01 LCI) Facelift 2021 20dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Gran Coupe (G26)420d	4,000 rpm	1,750-2,500 rpm	4,250 rpm
BMWX3 (G01 LCI)Facelift 202120d	4,000 rpm	1,750-2,500 rpm	4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Gran Coupe (G26)420d	BMWX3 (G01 LCI)Facelift 202120d
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.2 s	7.4 s
0-100 km/h 0-62 mph	7.6 s	7.9 s
0-200 km/h 0-124 mph	34.1 s	51.3 s
Top speed	233 km/h 145 mph	213 km/h 132 mph
	Drag race simulation
60 ft 18 m	2.5 s	2.4 s
330 ft 101 m	6.7 s	6.6 s
1/8 mile 201 m	10.1 s	10.1 s
1000 ft 305 m	13.0 s	13.2 s
1/4 mile 402 m	15.5 s	15.7 s
Trap speed 1/4 mile 402 m	148 km/h 92 mph	142 km/h 88 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420d	190 hp 142 kW
BMWX3 (G01 LCI)Facelift 202120d	190 hp 142 kW

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420d	400 Nm 295 lb-ft
BMWX3 (G01 LCI)Facelift 202120d	400 Nm 295 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420d	1,760 kg 3,880 lb
BMWX3 (G01 LCI)Facelift 202120d	1,840 kg 4,057 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 Gran Coupe (G26)420d	233 km/h 145 mph
BMWX3 (G01 LCI)Facelift 202120d	213 km/h 132 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 Gran Coupe (G26)420d	7.6 s
BMWX3 (G01 LCI)Facelift 202120d	7.9 s

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (G26) 420d and BMW X3 (G01 LCI) Facelift 2021 20d: 0.3 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 Gran Coupe (G26)420d	5.7 L/100 km 41.3 mpg US 49.6 mpg UK
BMWX3 (G01 LCI)Facelift 202120d	6.5 L/100 km 36.2 mpg US 43.5 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (G26) 420d and BMW X3 (G01 LCI) Facelift 2021 20d: 0.8 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 Gran Coupe (G26)420d	108 hp/t 81 kW/t 9.3 kg/hp
BMWX3 (G01 LCI)Facelift 202120d	103 hp/t 77 kW/t 9.7 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420d	1,035 km 643 mi
BMWX3 (G01 LCI)Facelift 202120d	1,046 km 650 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW4 Series Gran Coupe (G26)420d	190 hp 142 kW	7.6 s	233 km/h 145 mph
BMWX3 (G01 LCI)Facelift 202120d	190 hp 142 kW	7.9 s	213 km/h 132 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 Gran Coupe (G26)420d

Power	190 hp 142 kW
0-100 km/h	7.6 s
Top speed 233 km/h 145 mph

Doors/seats	5 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	4,783 mm 188.3 in
Height	1,442 mm 56.8 in

BMWX3 (G01 LCI)Facelift 202120d

Power	190 hp 142 kW
0-100 km/h	7.9 s
Top speed 213 km/h 132 mph

Doors/seats	5 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	4,708 mm 185.4 in
Height	1,676 mm 66.0 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 Gran Coupe (G26)420d

Power	190 hp 142 kW
0-100 km/h	7.6 s
Top speed 233 km/h 145 mph

5.7 L/100 km

41.3 mpg US

49.6 mpg UK

BMWX3 (G01 LCI)Facelift 202120d

Power	190 hp 142 kW
0-100 km/h	7.9 s
Top speed 213 km/h 132 mph

6.5 L/100 km

36.2 mpg US

43.5 mpg UK

BMW 4 Series Gran Coupe (G26) 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 Gran Coupe (G26)420d	5.7 L/100 km 41.3 mpg US 49.6 mpg UK	7.6 s
BMWX3 (G01 LCI)Facelift 202120d	6.5 L/100 km 36.2 mpg US 43.5 mpg UK	7.9 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 Gran Coupe (G26)420d	108 hp/t 81 kW/t 9.3 kg/hp	5.7 L/100 km 41.3 mpg US 49.6 mpg UK
BMWX3 (G01 LCI)Facelift 202120d	103 hp/t 77 kW/t 9.7 kg/hp	6.5 L/100 km 36.2 mpg US 43.5 mpg UK

Detailed score breakdown

Vehicle

BMW4 Series Gran Coupe (G26)420d

BMWX3 (G01 LCI)Facelift 202120d

Power

190 hp

142 kW

190 hp

142 kW

Torque

400 Nm

295 lb-ft

400 Nm

295 lb-ft

Acceleration

7.6 s

7.9 s

Top speed

233 km/h

145 mph

213 km/h

132 mph

Lightness

1,760 kg

3,880 lb

1,840 kg

4,057 lb

Fuel consumption

5.7 L/100 km

41.3 mpg US

49.6 mpg UK

6.5 L/100 km

36.2 mpg US

43.5 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	4,783 mm 188.3 in
Height	1,442 mm 56.8 in

Doors/seats	5 doors 5 seats
Trunk	550 L 19.4 cu ft
Length	4,708 mm 185.4 in
Height	1,676 mm 66.0 in

Range score

1,035 km

643 mi

1,046 km

650 mi

Trunk score

470 L

16.6 cu ft

550 L

19.4 cu ft

Power-to-weight score

108 hp/t

81 kW/t

9.3 kg/hp

103 hp/t

77 kW/t

9.7 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 Gran Coupe (G26) 420d	BMW X3 (G01 LCI) Facelift 2021 20d
Consumption	5.7 L/100 km41.3 mpg US49.6 mpg UK	6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km	9.98 LC100 km	11.38 LC100 km
Cost / 100 mi	16.05 LC100 mi	18.31 LC100 mi
Annual fuel used	855 L226 US gal188 UK gal	975 L258 US gal214 UK gal
Annual fuel cost	1,496 LC/year	1,706 LC/year