Car comparison

BMW 4 Series Coupe (G22) 420dvsFiat Fastback 1.3 T270

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
VS

Fiat Fastback

1.3 T270

180 hp1332 ccGasolineFWDAutomaticTurbochargedCoupe2022-present

Comparison overview

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

Best choices

BMW 4 Series Coupe (G22) 420d

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    238 km/h
    148 mph
  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest city consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest highway consumption
    4.2 L/100 km
    56.0 mpg US
    67.3 mpg UK
  • Best performance score
    53/100
  • Best economy score
    94/100

Fiat Fastback 1.3 T270

  • Lightest
    1,304 kg
    2,875 lb
  • Best power-to-weight
    138 hp/t
    103 kW/t
    7.2 kg/hp
  • Largest trunk
    600 L
  • Best overall score
    56/100
  • Best practicality score
    73/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (G22)420dFiatFastback1.3 T270
Power
190hp142kW
180hp134kW
Torque
400Nm295lb-ft
270Nm199lb-ft
Curb weight
1,670kg3,682lb
1,304kg2,875lb
Gross weight
2,165kg4,773lb
1,704kg3,757lb
Top speed
238 km/h
148 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Calculated
To 99% top speed
92.0s99% target: 236 km/h / 146 mph
Calculated
90.7s99% target: 218 km/h / 135 mph
Calculated
0-100 km/h
7.4s
8.1s
0-200 km/h
31.0s
Calculated
41.7s
Calculated
0-60 mph
7.0s
Calculated
7.7s
Calculated
Fuel consumption
4.6L/100 km51.1mpg US61.4mpg UK
-
Fuel consumption city
5.2L/100 km45.2mpg US54.3mpg UK
12.7L/100 km18.5mpg US22.2mpg UK
Fuel consumption highway
4.2L/100 km56mpg US67.3mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Quarter mile
15.3s
Calculated
15.9s
Calculated
Power-to-weight
114hp/t85kW/t52hp/1000 lb
Calculated
138hp/t103kW/t63hp/1000 lb
Calculated
Torque-to-weight
240Nm/t160lb-ft/ton
Calculated
207Nm/t139lb-ft/ton
Calculated
Estimated range
1,283km797mi
Calculated
-
Displacement
1,995cc122cu in
1,332cc81cu in
Length
4,768mm188in
4,427mm174in
Width
1,852mm73in
1,774mm70in
Height
1,390mm55in
1,545mm61in
Wheelbase
2,851mm112in
2,532mm100in
Front track
1,575mm62in
1,484mm58in
Rear track
1,611mm63in
1,510mm59in
Ground clearance
126mm5in
189mm7in
Trunk volume
440L
600L
Max trunk volume-
1,087L
Doors
2
5
Seats
4
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 Coupe (G22) 420dFiat Fastback 1.3 T270PowerTorque
  • BMW 4 Series Coupe (G22) 420d: Power / Torque
  • Fiat Fastback 1.3 T270: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (G22)420d4,000 rpm1,750-2,500 rpm4,250 rpm
FiatFastback1.3 T2705,750 rpm1,750 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (G22)420dFiatFastback1.3 T270
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
7.7 s
0-100 km/h
0-62 mph
7.4 s
8.1 s
0-200 km/h
0-124 mph
31.0 s
41.7 s
Top speed
238 km/h
148 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.7 s
6.8 s
1/8 mile
201 m
10.0 s
10.3 s
1000 ft
305 m
12.9 s
13.4 s
1/4 mile
402 m
15.3 s
15.9 s
Trap speed
1/4 mile
402 m
151 km/h
94 mph
144 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
190 hp
142 kW
FiatFastback1.3 T270
180 hp
134 kW

BMW 4 Series Coupe (G22) 420d has 10 hp more than Fiat Fastback 1.3 T270.

The biggest power difference is between Fiat Fastback 1.3 T270 and BMW 4 Series Coupe (G22) 420d: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
400 Nm
295 lb-ft
FiatFastback1.3 T270
270 Nm
199 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
1,670 kg
3,682 lb
FiatFastback1.3 T270
1,304 kg
2,875 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
238 km/h
148 mph
FiatFastback1.3 T270
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d7.4 s
FiatFastback1.3 T2708.1 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (G22) 420d and Fiat Fastback 1.3 T270: 0.7 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
114 hp/t
85 kW/t
8.8 kg/hp
FiatFastback1.3 T270
138 hp/t
103 kW/t
7.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (G22)420d
190 hp
142 kW
7.4 s
238 km/h
148 mph
FiatFastback1.3 T270
180 hp
134 kW
8.1 s
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
BMW4 Series Coupe (G22)420d
Power
190 hp
142 kW
0-100 km/h7.4 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
FiatFastback1.3 T270
Power
180 hp
134 kW
0-100 km/h8.1 s
Top speed
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Doors/seats
5 doors
5 seats
Trunk
600 L
21.2 cu ft
Length
4,427 mm
174.3 in
Height
1,545 mm
60.8 in

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (G22)420dFiatFastback1.3 T270
Power
190 hp
142 kW
180 hp
134 kW
Torque
400 Nm
295 lb-ft
270 Nm
199 lb-ft
Acceleration
7.4 s
8.1 s
Top speed
238 km/h
148 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Lightness
1,670 kg
3,682 lb
1,304 kg
2,875 lb
Fuel consumption
4.6 L/100 km
51.1 mpg US
61.4 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
600 L
21.2 cu ft
Length
4,427 mm
174.3 in
Height
1,545 mm
60.8 in
Range score
1,283 km
797 mi
-
Trunk score
440 L
15.5 cu ft
600 L
21.2 cu ft
Power-to-weight score
114 hp/t
85 kW/t
8.8 kg/hp
138 hp/t
103 kW/t
7.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

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
VehicleBMW 4 Series Coupe (G22) 420d
Consumption4.6 L/100 km51.1 mpg US61.4 mpg UK
Cost / 100 km8.05 LC100 km
Cost / 100 mi12.96 LC100 mi
Annual fuel used690 L182 US gal152 UK gal
Annual fuel cost1,208 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (G22) 420d

  • Has 10 hp more
  • Has 130 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 18 km/h (11 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Heaviest
  • Smallest trunk

Fiat Fastback 1.3 T270

  • Is 366 kg lighter
  • Has 24 hp/t better power-to-weight
  • Has 160 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (G22) 420d
Fiat Fastback 1.3 T270
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