Car comparison

BMW 4 Series Gran Coupe (G26) 420ivsBMW E9 3.0CS

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
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 Gran Coupe (G26) 420i

  • Quickest 0-100 km/h
    7.9 s
  • Fastest top speed
    235 km/h
    146 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    300 Nm
    221 lb-ft
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    808 km
    502 mi
  • Largest trunk
    470 L
  • Best overall score
    55/100
  • Best performance score
    49/100
  • Best economy score
    87/100
  • Best practicality score
    69/100

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

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (G26)420iBMWE93.0CS
Power
184hp137kW
180hp134kW
Torque
300Nm221lb-ft
260Nm192lb-ft
Curb weight
1,620kg3,571lb
1,400kg3,086lb
Gross weight
2,175kg4,795lb
1,790kg3,946lb
Top speed
235 km/h
146 mph
213 km/h
132 mph
To 99% top speed
98.5s99% target: 233 km/h / 145 mph
Calculated
95.4s99% target: 211 km/h / 131 mph
Calculated
0-100 km/h
7.9s
8.2s
0-200 km/h
34.4s
Calculated
51.5s
Calculated
0-60 mph
7.5s
Calculated
7.7s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway-
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
15.7s
Calculated
16.0s
Calculated
Power-to-weight
114hp/t85kW/t52hp/1000 lb
Calculated
129hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
185Nm/t124lb-ft/ton
Calculated
186Nm/t124lb-ft/ton
Calculated
Estimated range
808km502mi
Calculated
643km399mi
Calculated
Displacement
1,998cc122cu in
2,985cc182cu in
Length
4,783mm188in
4,660mm183in
Width
1,852mm73in
1,670mm66in
Height
1,442mm57in
1,370mm54in
Wheelbase
2,856mm112in
2,625mm103in
Front track
1,595mm63in
1,446mm57in
Rear track
1,623mm64in
1,402mm55in
Ground clearance
140mm6in
-
Trunk volume
470L
450L
Max trunk volume
1,290L
-
Doors
5
2
Seats
5
4
Fuel tank
59L
72L

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) 420iBMW E9 3.0CSPowerTorque
  • BMW 4 Series Gran Coupe (G26) 420i: Power / Torque
  • BMW E9 3.0CS: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (G26)420i5,000-6,500 rpm1,350-4,000 rpm6,750 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 Gran Coupe (G26)420iBMWE93.0CS
Acceleration checkpoints
0-60 mph
0-97 km/h
7.5 s
7.7 s
0-100 km/h
0-62 mph
7.9 s
8.2 s
0-200 km/h
0-124 mph
34.4 s
51.5 s
Top speed
235 km/h
146 mph
213 km/h
132 mph
Drag race simulation
60 ft
18 m
2.6 s
2.5 s
330 ft
101 m
6.8 s
6.8 s
1/8 mile
201 m
10.3 s
10.3 s
1000 ft
305 m
13.2 s
13.4 s
1/4 mile
402 m
15.7 s
16.0 s
Trap speed
1/4 mile
402 m
147 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 Gran Coupe (G26)420i
184 hp
137 kW
BMWE93.0CS
180 hp
134 kW

BMW 4 Series Gran Coupe (G26) 420i has 4 hp more than BMW E9 3.0CS.

The biggest power difference is between BMW E9 3.0CS 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
VehicleValue
BMW4 Series Gran Coupe (G26)420i
300 Nm
221 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 Gran Coupe (G26)420i
1,620 kg
3,571 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 Gran Coupe (G26)420i
235 km/h
146 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 Gran Coupe (G26)420i7.9 s
BMWE93.0CS8.2 s

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (G26) 420i and BMW E9 3.0CS: 0.3 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 Gran Coupe (G26)420i
7.3 L/100 km
32.2 mpg US
38.7 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 Gran Coupe (G26) 420i and BMW E9 3.0CS: 3.9 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 Gran Coupe (G26)420i
114 hp/t
85 kW/t
8.8 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 Gran Coupe (G26)420i
808 km
502 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 Gran Coupe (G26)420i
184 hp
137 kW
7.9 s
235 km/h
146 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 Gran Coupe (G26)420i
Power
184 hp
137 kW
0-100 km/h7.9 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
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 Gran Coupe (G26)420i
Power
184 hp
137 kW
0-100 km/h7.9 s
Top speed
235 km/h
146 mph
7.3 L/100 km
32.2 mpg US
38.7 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 Gran Coupe (G26) 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 Gran Coupe (G26)420i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.9 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 Gran Coupe (G26)420i
114 hp/t
85 kW/t
8.8 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 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 Gran Coupe (G26)420iBMWE93.0CS
Power
184 hp
137 kW
180 hp
134 kW
Torque
300 Nm
221 lb-ft
260 Nm
192 lb-ft
Acceleration
7.9 s
8.2 s
Top speed
235 km/h
146 mph
213 km/h
132 mph
Lightness
1,620 kg
3,571 lb
1,400 kg
3,086 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 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
450 L
15.9 cu ft
Length
4,660 mm
183.5 in
Height
1,370 mm
53.9 in
Range score
808 km
502 mi
643 km
399 mi
Trunk score
470 L
16.6 cu ft
450 L
15.9 cu ft
Power-to-weight score
114 hp/t
85 kW/t
8.8 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 Gran Coupe (G26) 420iBMW E9 3.0CS
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km12.78 LC100 km19.60 LC100 km
Cost / 100 mi20.56 LC100 mi31.54 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,916 LC/year2,940 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (G26) 420i

  • Has 4 hp more
  • Has 40 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 22 km/h (14 mph) higher top speed
  • Uses 3.9 L/100 km less fuel
  • Has 165 km (103 mi) more estimated range
  • Has 20 L more trunk volume

Pros

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

Cons

  • Heaviest

BMW E9 3.0CS

  • Is 220 kg lighter
  • Has 15 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Gran Coupe (G26) 420i
BMW E9 3.0CS
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BMW 4 Series Gran Coupe (G26) 420i vs BMW E9 3.0CS - car comparison - FastVsFaster