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

170 hp1597 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024

Abarth Fastback

1.3 T270

175 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
8.5 s
Most powerful
175 hp
130 kW
Highest torque
270 Nm
199 lb-ft
Lightest
1,299 kg
2,864 lb
Best power-to-weight
135 hp/t
100 kW/t
7.4 kg/hp
Largest trunk
600 L
Best overall score
55/100
Best performance score
46/100
Best practicality score
73/100

BMW 4 Series Gran Coupe (G26) 420i

Fastest top speed
227 km/h
141 mph
Best economy score
85/100

Specification comparison

Specification comparison
Model	BMW4 Series Gran Coupe (G26)420i	AbarthFastback1.3 T270
Power	170hp127kW	175hp130kW
Torque	250Nm184lb-ft	270Nm199lb-ft
Curb weight	1,620kg3,571lb	1,299kg2,864lb
Gross weight	2,175kg4,795lb	1,699kg3,746lb
Top speed	227 km/h 141 mph	215 km/h 134 mph
To 99% top speed	104.2s99% target: 225 km/h / 140 mph Calculated	92.0s99% target: 213 km/h / 132 mph Calculated
0-100 km/h	8.6s	8.5s
0-200 km/h	41.2s Calculated	47.9s Calculated
0-60 mph	8.1s Calculated	8.0s Calculated
Fuel consumption	8.1L/100 km29mpg US34.9mpg UK	-
Fuel consumption city	8L/100 km29.4mpg US35.3mpg UK	-
Fuel consumption highway	7L/100 km33.6mpg US40.4mpg UK	-
Quarter mile	16.2s Calculated	16.2s Calculated
Power-to-weight	105hp/t78kW/t48hp/1000 lb Calculated	135hp/t100kW/t61hp/1000 lb Calculated
Torque-to-weight	154Nm/t103lb-ft/ton Calculated	208Nm/t139lb-ft/ton Calculated
Estimated range	728km453mi Calculated	-
Displacement	1,597cc97cu in	1,332cc81cu in
Length	4,783mm188in	4,425mm174in
Width	1,852mm73in	1,780mm70in
Height	1,442mm57in	1,547mm61in
Wheelbase	2,856mm112in	2,530mm100in
Front track	1,595mm63in	1,484mm58in
Rear track	1,623mm64in	1,510mm59in
Ground clearance	-	194mm8in
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	5,000-5,500 rpm	2,000-4,400 rpm	5,750 rpm
AbarthFastback1.3 T270	5,750 rpm	1,850 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	8.1 s	8.0 s
0-100 km/h 0-62 mph	8.6 s	8.5 s
0-200 km/h 0-124 mph	41.2 s	47.9 s
Top speed	227 km/h 141 mph	215 km/h 134 mph
	Drag race simulation
60 ft 18 m	2.6 s	2.6 s
330 ft 101 m	7.0 s	7.0 s
1/8 mile 201 m	10.6 s	10.5 s
1000 ft 305 m	13.7 s	13.6 s
1/4 mile 402 m	16.2 s	16.2 s
Trap speed 1/4 mile 402 m	142 km/h 88 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 Gran Coupe (G26)420i	170 hp 127 kW
AbarthFastback1.3 T270	175 hp 130 kW

Abarth Fastback 1.3 T270 has 5 hp more than BMW 4 Series Gran Coupe (G26) 420i.

The biggest power difference is between BMW 4 Series Gran Coupe (G26) 420i and Abarth Fastback 1.3 T270: 5 hp (4 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	250 Nm 184 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	227 km/h 141 mph
AbarthFastback1.3 T270	215 km/h 134 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	8.6 s
AbarthFastback1.3 T270	8.5 s

The biggest 0-100 km/h difference is between Abarth Fastback 1.3 T270 and BMW 4 Series Gran Coupe (G26) 420i: 0.1 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	105 hp/t 78 kW/t 9.5 kg/hp
AbarthFastback1.3 T270	135 hp/t 100 kW/t 7.4 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	170 hp 127 kW	8.6 s	227 km/h 141 mph
AbarthFastback1.3 T270	175 hp 130 kW	8.5 s	215 km/h 134 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	170 hp 127 kW
0-100 km/h	8.6 s
Top speed 227 km/h 141 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	175 hp 130 kW
0-100 km/h	8.5 s
Top speed 215 km/h 134 mph

Doors/seats	5 doors 5 seats
Trunk	600 L 21.2 cu ft
Length	4,425 mm 174.2 in
Height	1,547 mm 60.9 in

Detailed score breakdown

Vehicle

BMW4 Series Gran Coupe (G26)420i

AbarthFastback1.3 T270

Power

170 hp

127 kW

175 hp

130 kW

Torque

250 Nm

184 lb-ft

270 Nm

199 lb-ft

Acceleration

8.6 s

8.5 s

Top speed

227 km/h

141 mph

215 km/h

134 mph

Lightness

1,620 kg

3,571 lb

1,299 kg

2,864 lb

Fuel consumption

8.1 L/100 km

29.0 mpg US

34.9 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	1,547 mm 60.9 in

Range score

728 km

453 mi

Trunk score

470 L

16.6 cu ft

600 L

21.2 cu ft

Power-to-weight score

105 hp/t

78 kW/t

9.5 kg/hp

135 hp/t

100 kW/t

7.4 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	8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km	14.17 LC100 km
Cost / 100 mi	22.81 LC100 mi
Annual fuel used	1,215 L321 US gal267 UK gal
Annual fuel cost	2,126 LC/year