Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 420ivsBMW E9 3.0CS

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

New comparison

BMW 4 Series Coupe (F32) · Facelift 2017

420i

184 hp1998 ccGasolineAWDManualTurbochargedCoupe2017-2020
VS

BMW E9

3.0CS

180 hp2985 ccGasolineRWDManualNaturally aspiratedCoupe1971-1975

Comparison overview

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

Best choices

BMW 4 Series Coupe (F32) Facelift 2017 420i

  • Quickest 0-100 km/h
    7.6 s
  • Fastest top speed
    233 km/h
    145 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    270 Nm
    199 lb-ft
  • Lowest combined fuel consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest highway consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Best estimated range
    870 km
    540 mi
  • Best overall score
    50/100
  • Best performance score
    49/100
  • Best economy score
    88/100
  • Best practicality score
    53/100

BMW E9 3.0CS

  • Lightest
    1,400 kg
    3,086 lb
  • Best power-to-weight
    129 hp/t
    96 kW/t
    7.8 kg/hp
  • Largest trunk
    450 L

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)Facelift 2017420iBMWE93.0CS
Power
184hp137kW
180hp134kW
Torque
270Nm199lb-ft
260Nm192lb-ft
Curb weight
1,560kg3,439lb
1,400kg3,086lb
Gross weight
2,080kg4,586lb
1,790kg3,946lb
Top speed
233 km/h
145 mph
213 km/h
132 mph
To 99% top speed
95.9s99% target: 231 km/h / 143 mph
Calculated
95.4s99% target: 211 km/h / 131 mph
Calculated
0-100 km/h
7.6s
8.2s
0-200 km/h
34.2s
Calculated
51.5s
Calculated
0-60 mph
7.2s
Calculated
7.7s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
9L/100 km26.1mpg US31.4mpg UK
-
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
15.5s
Calculated
16.0s
Calculated
Power-to-weight
118hp/t88kW/t54hp/1000 lb
Calculated
129hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
173Nm/t116lb-ft/ton
Calculated
186Nm/t124lb-ft/ton
Calculated
Estimated range
870km540mi
Calculated
643km399mi
Calculated
Displacement
1,998cc122cu in
2,985cc182cu in
Length
4,640mm183in
4,660mm183in
Width
1,825mm72in
1,670mm66in
Height
1,392mm55in
1,370mm54in
Wheelbase
2,810mm111in
2,625mm103in
Front track
1,543mm61in
1,446mm57in
Rear track
1,589mm63in
1,402mm55in
Trunk volume
445L
450L
Doors
2
2
Seats
4
4
Fuel tank
60L
72L
CO2 emissions
161g/km
-

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 (F32) Facelift 2017 420iBMW E9 3.0CSPowerTorque
  • BMW 4 Series Coupe (F32) Facelift 2017 420i: Power / Torque
  • BMW E9 3.0CS: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm
BMWE93.0CS6,000 rpm3,700 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (F32)Facelift 2017420iBMWE93.0CS
Acceleration checkpoints
0-60 mph
0-97 km/h
7.2 s
7.7 s
0-100 km/h
0-62 mph
7.6 s
8.2 s
0-200 km/h
0-124 mph
34.2 s
51.5 s
Top speed
233 km/h
145 mph
213 km/h
132 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.7 s
6.8 s
1/8 mile
201 m
10.1 s
10.3 s
1000 ft
305 m
13.0 s
13.4 s
1/4 mile
402 m
15.5 s
16.0 s
Trap speed
1/4 mile
402 m
148 km/h
92 mph
141 km/h
88 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
BMWE93.0CS
180 hp
134 kW

BMW 4 Series Coupe (F32) Facelift 2017 420i has 4 hp more than BMW E9 3.0CS.

The biggest power difference is between BMW E9 3.0CS and BMW 4 Series Coupe (F32) Facelift 2017 420i: 4 hp (3 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
270 Nm
199 lb-ft
BMWE93.0CS
260 Nm
192 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
1,560 kg
3,439 lb
BMWE93.0CS
1,400 kg
3,086 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 (F32)Facelift 2017420i
233 km/h
145 mph
BMWE93.0CS
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
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i7.6 s
BMWE93.0CS8.2 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (F32) Facelift 2017 420i and BMW E9 3.0CS: 0.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMWE93.0CS
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) Facelift 2017 420i and BMW E9 3.0CS: 4.3 L/100 km.

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 (F32)Facelift 2017420i
118 hp/t
88 kW/t
8.5 kg/hp
BMWE93.0CS
129 hp/t
96 kW/t
7.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
870 km
540 mi
BMWE93.0CS
643 km
399 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
7.6 s
233 km/h
145 mph
BMWE93.0CS
180 hp
134 kW
8.2 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.

Chart data table
VehiclePerformance scorePracticality score
BMW4 Series Coupe (F32)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
233 km/h
145 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,392 mm
54.8 in
BMWE93.0CS
Power
180 hp
134 kW
0-100 km/h8.2 s
Top speed
213 km/h
132 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,660 mm
183.5 in
Height
1,370 mm
53.9 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMW4 Series Coupe (F32)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
233 km/h
145 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMWE93.0CS
Power
180 hp
134 kW
0-100 km/h8.2 s
Top speed
213 km/h
132 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

BMW 4 Series Coupe (F32) Facelift 2017 420i 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
VehicleFuel consumption, L/100 km0-100 km/h, s
BMW4 Series Coupe (F32)Facelift 2017420i
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
7.6 s
BMWE93.0CS
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
8.2 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMW4 Series Coupe (F32)Facelift 2017420i
118 hp/t
88 kW/t
8.5 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMWE93.0CS
129 hp/t
96 kW/t
7.8 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)Facelift 2017420iBMWE93.0CS
Power
184 hp
137 kW
180 hp
134 kW
Torque
270 Nm
199 lb-ft
260 Nm
192 lb-ft
Acceleration
7.6 s
8.2 s
Top speed
233 km/h
145 mph
213 km/h
132 mph
Lightness
1,560 kg
3,439 lb
1,400 kg
3,086 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,392 mm
54.8 in
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,660 mm
183.5 in
Height
1,370 mm
53.9 in
Range score
870 km
540 mi
643 km
399 mi
CO2 score
161 g/km
-
Trunk score
445 L
15.7 cu ft
450 L
15.9 cu ft
Power-to-weight score
118 hp/t
88 kW/t
8.5 kg/hp
129 hp/t
96 kW/t
7.8 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 (F32) Facelift 2017 420iBMW E9 3.0CS
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km12.08 LC100 km19.60 LC100 km
Cost / 100 mi19.43 LC100 mi31.54 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,811 LC/year2,940 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) Facelift 2017 420i

  • Has 4 hp more
  • Has 10 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 4.3 L/100 km less fuel
  • Has 227 km (141 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

BMW E9 3.0CS

  • Is 160 kg lighter
  • Has 11 hp/t better power-to-weight
  • Has 5 L more trunk volume

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 420i
BMW E9 3.0CS
Compare selected cars
2 vehicles selected

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BMW 4 Series Coupe (F32) · Facelift 2017 420i vs BMW E9 3.0CS - car comparison - FastVsFaster