Car comparison

BMW 4 Series Gran Coupe (G26) 430ivsBMW 2 Series Coupe (G42) 230i

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

New comparison

BMW 4 Series Gran Coupe (G26)

430i

245 hp1998 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024

BMW 2 Series Coupe (G42)

230i

245 hp1998 ccGasolineRWDAutomaticTurbochargedCoupe2022-present

Comparison overview

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

BMW 4 Series Gran Coupe (G26) 430i

Quickest 0-100 km/h
6.2 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
245 hp
183 kW
Highest torque
400 Nm
295 lb-ft
Best estimated range
776 km
482 mi
Largest trunk
470 L
Best overall score
64/100
Best performance score
61/100
Best practicality score
69/100

BMW 2 Series Coupe (G42) 230i

Lightest
1,600 kg
3,527 lb
Best power-to-weight
153 hp/t
114 kW/t
6.5 kg/hp
Lowest combined fuel consumption
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
Best economy score
87/100

Specification comparison

Specification comparison
Model	BMW4 Series Gran Coupe (G26)430i	BMW2 Series Coupe (G42)230i
Power	245hp183kW	245hp183kW
Torque	400Nm295lb-ft	400Nm295lb-ft
Curb weight	1,645kg3,627lb	1,600kg3,527lb
Gross weight	2,200kg4,850lb	2,000kg4,409lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	86.7s99% target: 257 km/h / 160 mph Calculated	95.3s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	6.2s	6.9s
0-200 km/h	22.7s Calculated	25.1s Calculated
0-60 mph	5.9s Calculated	6.6s Calculated
Fuel consumption	7.6L/100 km30.9mpg US37.2mpg UK	7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile	14.3s Calculated	14.9s Calculated
Power-to-weight	149hp/t111kW/t68hp/1000 lb Calculated	153hp/t114kW/t69hp/1000 lb Calculated
Torque-to-weight	243Nm/t163lb-ft/ton Calculated	250Nm/t167lb-ft/ton Calculated
Estimated range	776km482mi Calculated	722km449mi Calculated
Displacement	1,998cc122cu in	1,998cc122cu in
Length	4,783mm188in	4,537mm179in
Width	1,852mm73in	1,838mm72in
Height	1,442mm57in	1,390mm55in
Wheelbase	2,856mm112in	2,741mm108in
Front track	1,595mm63in	1,575mm62in
Rear track	1,623mm64in	1,587mm62in
Ground clearance	140mm6in	-
Trunk volume	470L	390L
Max trunk volume	1,290L	-
Doors	5	2
Seats	5	4
Fuel tank	59L	52L

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) 430iBMW 2 Series Coupe (G42) 230iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Gran Coupe (G26)430i	4,500-6,500 rpm	1,600-4,000 rpm	6,750 rpm
BMW2 Series Coupe (G42)230i	4,500-6,500 rpm	1,600-4,000 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Gran Coupe (G26)430i	BMW2 Series Coupe (G42)230i
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.9 s	6.6 s
0-100 km/h 0-62 mph	6.2 s	6.9 s
0-200 km/h 0-124 mph	22.7 s	25.1 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.4 s	2.5 s
330 ft 101 m	6.2 s	6.5 s
1/8 mile 201 m	9.3 s	9.8 s
1000 ft 305 m	12.0 s	12.5 s
1/4 mile 402 m	14.3 s	14.9 s
Trap speed 1/4 mile 402 m	163 km/h 101 mph	158 km/h 98 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)430i	245 hp 183 kW
BMW2 Series Coupe (G42)230i	245 hp 183 kW

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)430i	400 Nm 295 lb-ft
BMW2 Series Coupe (G42)230i	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)430i	1,645 kg 3,627 lb
BMW2 Series Coupe (G42)230i	1,600 kg 3,527 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)430i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW2 Series Coupe (G42)230i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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)430i	6.2 s
BMW2 Series Coupe (G42)230i	6.9 s

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (G26) 430i and BMW 2 Series Coupe (G42) 230i: 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 Gran Coupe (G26)430i	7.6 L/100 km 30.9 mpg US 37.2 mpg UK
BMW2 Series Coupe (G42)230i	7.2 L/100 km 32.7 mpg US 39.2 mpg UK

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)430i	149 hp/t 111 kW/t 6.7 kg/hp
BMW2 Series Coupe (G42)230i	153 hp/t 114 kW/t 6.5 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)430i	776 km 482 mi
BMW2 Series Coupe (G42)230i	722 km 449 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)430i	245 hp 183 kW	6.2 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW2 Series Coupe (G42)230i	245 hp 183 kW	6.9 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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)430i

Power	245 hp 183 kW
0-100 km/h	6.2 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

BMW2 Series Coupe (G42)230i

Power	245 hp 183 kW
0-100 km/h	6.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	390 L 13.8 cu ft
Length	4,537 mm 178.6 in
Height	1,390 mm 54.7 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)430i

Power	245 hp 183 kW
0-100 km/h	6.2 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

7.6 L/100 km

30.9 mpg US

37.2 mpg UK

BMW2 Series Coupe (G42)230i

Power	245 hp 183 kW
0-100 km/h	6.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

7.2 L/100 km

32.7 mpg US

39.2 mpg UK

BMW 4 Series Gran Coupe (G26) 430i 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)430i	7.6 L/100 km 30.9 mpg US 37.2 mpg UK	6.2 s
BMW2 Series Coupe (G42)230i	7.2 L/100 km 32.7 mpg US 39.2 mpg UK	6.9 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)430i	149 hp/t 111 kW/t 6.7 kg/hp	7.6 L/100 km 30.9 mpg US 37.2 mpg UK
BMW2 Series Coupe (G42)230i	153 hp/t 114 kW/t 6.5 kg/hp	7.2 L/100 km 32.7 mpg US 39.2 mpg UK

Detailed score breakdown

Vehicle

BMW4 Series Gran Coupe (G26)430i

BMW2 Series Coupe (G42)230i

Power

245 hp

183 kW

245 hp

183 kW

Torque

400 Nm

295 lb-ft

400 Nm

295 lb-ft

Acceleration

6.2 s

6.9 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,645 kg

3,627 lb

1,600 kg

3,527 lb

Fuel consumption

7.6 L/100 km

30.9 mpg US

37.2 mpg UK

7.2 L/100 km

32.7 mpg US

39.2 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	2 doors 4 seats
Trunk	390 L 13.8 cu ft
Length	4,537 mm 178.6 in
Height	1,390 mm 54.7 in

Range score

776 km

482 mi

722 km

449 mi

Trunk score

470 L

16.6 cu ft

390 L

13.8 cu ft

Power-to-weight score

149 hp/t

111 kW/t

6.7 kg/hp

153 hp/t

114 kW/t

6.5 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) 430i	BMW 2 Series Coupe (G42) 230i
Consumption	7.6 L/100 km30.9 mpg US37.2 mpg UK	7.2 L/100 km32.7 mpg US39.2 mpg UK
Cost / 100 km	13.30 LC100 km	12.60 LC100 km
Cost / 100 mi	21.40 LC100 mi	20.28 LC100 mi
Annual fuel used	1,140 L301 US gal251 UK gal	1,080 L285 US gal238 UK gal
Annual fuel cost	1,995 LC/year	1,890 LC/year