Car comparison

BMW 4 Series Gran Coupe (G26) 420ivsAbarth Fastback 1.3 T270

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

New comparison

BMW 4 Series Gran Coupe (G26)

420i

184 hp1998 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024

Abarth Fastback

1.3 T270

180 hp1332 ccGasolineFWDAutomaticTurbochargedCoupe2023-present

Comparison overview

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

Abarth Fastback 1.3 T270

Quickest 0-100 km/h
7.6 s
Lightest
1,299 kg
2,864 lb
Best power-to-weight
139 hp/t
103 kW/t
7.2 kg/hp
Largest trunk
600 L
Best overall score
57/100
Best practicality score
73/100

BMW 4 Series Gran Coupe (G26) 420i

Fastest top speed
235 km/h
146 mph
Most powerful
184 hp
137 kW
Highest torque
300 Nm
221 lb-ft
Best performance score
49/100
Best economy score
87/100

Specification comparison

Specification comparison
Model	BMW4 Series Gran Coupe (G26)420i	AbarthFastback1.3 T270
Power	184hp137kW	180hp134kW
Torque	300Nm221lb-ft	270Nm199lb-ft
Curb weight	1,620kg3,571lb	1,299kg2,864lb
Gross weight	2,175kg4,795lb	1,699kg3,746lb
Top speed	235 km/h 146 mph	220 km/h 137 mph
To 99% top speed	98.5s99% target: 233 km/h / 145 mph Calculated	84.9s99% target: 218 km/h / 135 mph Calculated
0-100 km/h	7.9s	7.6s
0-200 km/h	34.4s Calculated	39.1s Calculated
0-60 mph	7.5s Calculated	7.2s Calculated
Fuel consumption	7.3L/100 km32.2mpg US38.7mpg UK	-
Fuel consumption city	-	13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption highway	-	10.8L/100 km21.8mpg US26.2mpg UK
Quarter mile	15.7s Calculated	15.5s Calculated
Power-to-weight	114hp/t85kW/t52hp/1000 lb Calculated	139hp/t103kW/t63hp/1000 lb Calculated
Torque-to-weight	185Nm/t124lb-ft/ton Calculated	208Nm/t139lb-ft/ton Calculated
Estimated range	808km502mi Calculated	-
Displacement	1,998cc122cu in	1,332cc81cu in
Length	4,783mm188in	4,425mm174in
Width	1,852mm73in	1,780mm70in
Height	1,442mm57in	1,544mm61in
Wheelbase	2,856mm112in	2,532mm100in
Front track	1,595mm63in	1,484mm58in
Rear track	1,623mm64in	1,510mm59in
Ground clearance	140mm6in	187mm7in
Trunk volume	470L	600L
Max trunk volume	1,290L	1,087L
Doors	5	5
Seats	5	5
Fuel tank	59L	47L

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) 420iAbarth Fastback 1.3 T270PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Gran Coupe (G26)420i	5,000-6,500 rpm	1,350-4,000 rpm	6,750 rpm
AbarthFastback1.3 T270	5,750 rpm	1,750 rpm	6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Gran Coupe (G26)420i	AbarthFastback1.3 T270
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.5 s	7.2 s
0-100 km/h 0-62 mph	7.9 s	7.6 s
0-200 km/h 0-124 mph	34.4 s	39.1 s
Top speed	235 km/h 146 mph	220 km/h 137 mph
	Drag race simulation
60 ft 18 m	2.6 s	2.5 s
330 ft 101 m	6.8 s	6.7 s
1/8 mile 201 m	10.3 s	10.1 s
1000 ft 305 m	13.2 s	13.0 s
1/4 mile 402 m	15.7 s	15.5 s
Trap speed 1/4 mile 402 m	147 km/h 92 mph	147 km/h 91 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420i	184 hp 137 kW
AbarthFastback1.3 T270	180 hp 134 kW

BMW 4 Series Gran Coupe (G26) 420i has 4 hp more than Abarth Fastback 1.3 T270.

The biggest power difference is between Abarth Fastback 1.3 T270 and BMW 4 Series Gran Coupe (G26) 420i: 4 hp (3 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Gran Coupe (G26)420i	300 Nm 221 lb-ft
AbarthFastback1.3 T270	270 Nm 199 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)420i	1,620 kg 3,571 lb
AbarthFastback1.3 T270	1,299 kg 2,864 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)420i	235 km/h 146 mph
AbarthFastback1.3 T270	220 km/h 137 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)420i	7.9 s
AbarthFastback1.3 T270	7.6 s

Although BMW 4 Series Gran Coupe (G26) 420i has more power, Abarth Fastback 1.3 T270 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Abarth Fastback 1.3 T270 and BMW 4 Series Gran Coupe (G26) 420i: 0.3 s.

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)420i	114 hp/t 85 kW/t 8.8 kg/hp
AbarthFastback1.3 T270	139 hp/t 103 kW/t 7.2 kg/hp

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)420i	184 hp 137 kW	7.9 s	235 km/h 146 mph
AbarthFastback1.3 T270	180 hp 134 kW	7.6 s	220 km/h 137 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)420i

Power	184 hp 137 kW
0-100 km/h	7.9 s
Top speed 235 km/h 146 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

AbarthFastback1.3 T270

Power	180 hp 134 kW
0-100 km/h	7.6 s
Top speed 220 km/h 137 mph

Doors/seats	5 doors 5 seats
Trunk	600 L 21.2 cu ft
Length	4,425 mm 174.2 in
Height	1,544 mm 60.8 in

Detailed score breakdown

Vehicle

BMW4 Series Gran Coupe (G26)420i

AbarthFastback1.3 T270

Power

184 hp

137 kW

180 hp

134 kW

Torque

300 Nm

221 lb-ft

270 Nm

199 lb-ft

Acceleration

7.9 s

7.6 s

Top speed

235 km/h

146 mph

220 km/h

137 mph

Lightness

1,620 kg

3,571 lb

1,299 kg

2,864 lb

Fuel consumption

7.3 L/100 km

32.2 mpg US

38.7 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	600 L 21.2 cu ft
Length	4,425 mm 174.2 in
Height	1,544 mm 60.8 in

Range score

808 km

502 mi

Trunk score

470 L

16.6 cu ft

600 L

21.2 cu ft

Power-to-weight score

114 hp/t

85 kW/t

8.8 kg/hp

139 hp/t

103 kW/t

7.2 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) 420i
Consumption	7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km	12.78 LC100 km
Cost / 100 mi	20.56 LC100 mi
Annual fuel used	1,095 L289 US gal241 UK gal
Annual fuel cost	1,916 LC/year