Car comparison

BMW 4 Series Gran Coupe (G26) 420i · Stage 3vsBMW 4 Series Gran Coupe (G26) 420i · Stage 2vsBMW 4 Series Gran Coupe (G26) 420i · Stage 1vsBMW 4 Series Gran Coupe (G26) 420i

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

New comparison

BMW 4 Series Gran Coupe (G26)

420i (Stage 3)

255 hp1597 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024
VS

BMW 4 Series Gran Coupe (G26)

420i (Stage 2)

221 hp1597 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024
VS

BMW 4 Series Gran Coupe (G26)

420i (Stage 1)

201 hp1597 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024
VS

BMW 4 Series Gran Coupe (G26)

420i

170 hp1597 ccGasolineRWDAutomaticTurbochargedCoupe2021-2024

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    262 km/h
    163 mph
  • Most powerful
    255 hp
    190 kW
  • Highest torque
    388 Nm
    286 lb-ft
  • Lightest
    1,620 kg
    3,571 lb
  • Best power-to-weight
    157 hp/t
    117 kW/t
    6.4 kg/hp
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    8.0 L/100 km
    29.4 mpg US
    35.3 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    728 km
    453 mi
  • Largest trunk
    470 L
  • Best overall score
    63/100
  • Best performance score
    60/100
  • Best economy score
    85/100
  • Best practicality score
    69/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (G26)420i (Stage 3)255 hpBMW4 Series Gran Coupe (G26)420i (Stage 2)221 hpBMW4 Series Gran Coupe (G26)420i (Stage 1)201 hpBMW4 Series Gran Coupe (G26)420i170 hp
Power
255hp190kW+85 hp
221hp165kW+51 hp
201hp150kW+31 hp
170hp127kW
Torque
388Nm286lb-ft+138 Nm
338Nm249lb-ft+88 Nm
305Nm225lb-ft+55 Nm
250Nm184lb-ft
Curb weight
1,620kg3,571lb
1,620kg3,571lb
1,620kg3,571lb
1,620kg3,571lb
Gross weight
2,175kg4,795lb
2,175kg4,795lb
2,175kg4,795lb
2,175kg4,795lb
Top speed
262 km/h
163 mph
+35 km/h
249 km/h
155 mph
+22 km/h
241 km/h
150 mph
+14 km/h
227 km/h
141 mph
To 99% top speed
94.4s99% target: 259 km/h / 161 mph-10.6 s
Calculated
98.6s99% target: 247 km/h / 153 mph-6.4 s
Calculated
101.5s99% target: 239 km/h / 148 mph-3.5 s
Calculated
105.0s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
6.7s-1.9 s
7.3s-1.3 s
7.8s-0.8 s
8.6s
0-200 km/h
24.2s-17.2 s
Calculated
28.7s-12.7 s
Calculated
32.4s-9.0 s
Calculated
41.4s
Calculated
0-60 mph
6.3s-1.8 s
Calculated
6.9s-1.2 s
Calculated
7.3s-0.8 s
Calculated
8.1s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
8.1L/100 km29mpg US34.9mpg UK
8.1L/100 km29mpg US34.9mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
8L/100 km29.4mpg US35.3mpg UK
8L/100 km29.4mpg US35.3mpg UK
8L/100 km29.4mpg US35.3mpg UK
8L/100 km29.4mpg US35.3mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7L/100 km33.6mpg US40.4mpg UK
7L/100 km33.6mpg US40.4mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
14.7s-1.6 s
Calculated
15.2s-1.0 s
Calculated
15.6s-0.6 s
Calculated
16.2s
Calculated
Power-to-weight
157hp/t117kW/t71hp/1000 lb
Calculated
136hp/t102kW/t62hp/1000 lb
Calculated
124hp/t92kW/t56hp/1000 lb
Calculated
105hp/t78kW/t48hp/1000 lb
Calculated
Torque-to-weight
239Nm/t160lb-ft/ton
Calculated
208Nm/t139lb-ft/ton
Calculated
188Nm/t126lb-ft/ton
Calculated
154Nm/t103lb-ft/ton
Calculated
Estimated range
728km453mi
Calculated
728km453mi
Calculated
728km453mi
Calculated
728km453mi
Calculated
Displacement
1,597cc97cu in
1,597cc97cu in
1,597cc97cu in
1,597cc97cu in
Length
4,783mm188in
4,783mm188in
4,783mm188in
4,783mm188in
Width
1,852mm73in
1,852mm73in
1,852mm73in
1,852mm73in
Height
1,442mm57in
1,442mm57in
1,442mm57in
1,442mm57in
Wheelbase
2,856mm112in
2,856mm112in
2,856mm112in
2,856mm112in
Front track
1,595mm63in
1,595mm63in
1,595mm63in
1,595mm63in
Rear track
1,623mm64in
1,623mm64in
1,623mm64in
1,623mm64in
Trunk volume
470L
470L
470L
470L
Max trunk volume
1,290L
1,290L
1,290L
1,290L
Doors
5
5
5
5
Seats
5
5
5
5
Fuel tank
59L
59L
59L
59L

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) 420i (Stage 3) 255 hpBMW 4 Series Gran Coupe (G26) 420i (Stage 2) 221 hpBMW 4 Series Gran Coupe (G26) 420i (Stage 1) 201 hpBMW 4 Series Gran Coupe (G26) 420i 170 hpPowerTorque
  • BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp: Power / Torque
  • BMW 4 Series Gran Coupe (G26) 420i (Stage 2) 221 hp: Power / Torque
  • BMW 4 Series Gran Coupe (G26) 420i (Stage 1) 201 hp: Power / Torque
  • BMW 4 Series Gran Coupe (G26) 420i 170 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (G26)420i (Stage 3)255 hp5,000-5,500 rpm2,000-4,400 rpm5,750 rpm
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp5,000-5,500 rpm2,000-4,400 rpm5,750 rpm
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp5,000-5,500 rpm2,000-4,400 rpm5,750 rpm
BMW4 Series Gran Coupe (G26)420i170 hp5,000-5,500 rpm2,000-4,400 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (G26)420i (Stage 3)255 hpBMW4 Series Gran Coupe (G26)420i (Stage 2)221 hpBMW4 Series Gran Coupe (G26)420i (Stage 1)201 hpBMW4 Series Gran Coupe (G26)420i170 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
6.9 s
7.3 s
8.1 s
0-100 km/h
0-62 mph
6.7 s
7.3 s
7.8 s
8.6 s
0-200 km/h
0-124 mph
24.2 s
28.7 s
32.4 s
41.4 s
Top speed
262 km/h
163 mph
249 km/h
155 mph
241 km/h
150 mph
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
2.5 s
2.6 s
330 ft
101 m
6.4 s
6.6 s
6.8 s
7.0 s
1/8 mile
201 m
9.6 s
10.0 s
10.2 s
10.6 s
1000 ft
305 m
12.4 s
12.8 s
13.1 s
13.6 s
1/4 mile
402 m
14.7 s
15.2 s
15.6 s
16.2 s
Trap speed
1/4 mile
402 m
160 km/h
99 mph
153 km/h
95 mph
149 km/h
92 mph
142 km/h
88 mph

Power comparison

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

BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp has 85 hp more than BMW 4 Series Gran Coupe (G26) 420i 170 hp.

The biggest power difference is between BMW 4 Series Gran Coupe (G26) 420i 170 hp and BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp: 85 hp (63 kW).

Torque comparison

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

Curb weight comparison

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

Top speed without limiter comparison

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

0-100 km/h comparison

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

The biggest 0-100 km/h difference is between BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp and BMW 4 Series Gran Coupe (G26) 420i 170 hp: 1.9 s.

The closest cars by acceleration are BMW 4 Series Gran Coupe (G26) 420i (Stage 2) 221 hp and BMW 4 Series Gran Coupe (G26) 420i (Stage 1) 201 hp, separated by only 0.5 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 (Stage 3)255 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i170 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

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 (Stage 3)255 hp
157 hp/t
117 kW/t
6.4 kg/hp
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
136 hp/t
102 kW/t
7.3 kg/hp
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
124 hp/t
92 kW/t
8.1 kg/hp
BMW4 Series Gran Coupe (G26)420i170 hp
105 hp/t
78 kW/t
9.5 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (G26)420i (Stage 3)255 hp
255 hp
190 kW
6.7 s
262 km/h
163 mph
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
221 hp
165 kW
7.3 s
249 km/h
155 mph
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
201 hp
150 kW
7.8 s
241 km/h
150 mph
BMW4 Series Gran Coupe (G26)420i170 hp
170 hp
127 kW
8.6 s
227 km/h
141 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 (Stage 3)255 hp
Power
255 hp
190 kW
0-100 km/h6.7 s
Top speed
262 km/h
163 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
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
Power
221 hp
165 kW
0-100 km/h7.3 s
Top speed
249 km/h
155 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
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
Power
201 hp
150 kW
0-100 km/h7.8 s
Top speed
241 km/h
150 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
BMW4 Series Gran Coupe (G26)420i170 hp
Power
170 hp
127 kW
0-100 km/h8.6 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

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 (Stage 3)255 hp
Power
255 hp
190 kW
0-100 km/h6.7 s
Top speed
262 km/h
163 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
Power
221 hp
165 kW
0-100 km/h7.3 s
Top speed
249 km/h
155 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
Power
201 hp
150 kW
0-100 km/h7.8 s
Top speed
241 km/h
150 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i170 hp
Power
170 hp
127 kW
0-100 km/h8.6 s
Top speed
227 km/h
141 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp 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 (Stage 3)255 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
6.7 s
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
7.3 s
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
7.8 s
BMW4 Series Gran Coupe (G26)420i170 hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
8.6 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 (Stage 3)255 hp
157 hp/t
117 kW/t
6.4 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 2)221 hp
136 hp/t
102 kW/t
7.3 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i (Stage 1)201 hp
124 hp/t
92 kW/t
8.1 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMW4 Series Gran Coupe (G26)420i170 hp
105 hp/t
78 kW/t
9.5 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (G26)420i (Stage 3)255 hpBMW4 Series Gran Coupe (G26)420i (Stage 2)221 hpBMW4 Series Gran Coupe (G26)420i (Stage 1)201 hpBMW4 Series Gran Coupe (G26)420i170 hp
Power
255 hp
190 kW
221 hp
165 kW
201 hp
150 kW
170 hp
127 kW
Torque
388 Nm
286 lb-ft
338 Nm
249 lb-ft
305 Nm
225 lb-ft
250 Nm
184 lb-ft
Acceleration
6.7 s
7.3 s
7.8 s
8.6 s
Top speed
262 km/h
163 mph
249 km/h
155 mph
241 km/h
150 mph
227 km/h
141 mph
Lightness
1,620 kg
3,571 lb
1,620 kg
3,571 lb
1,620 kg
3,571 lb
1,620 kg
3,571 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
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
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
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
470 L
16.6 cu ft
Length
4,783 mm
188.3 in
Height
1,442 mm
56.8 in
Range score
728 km
453 mi
728 km
453 mi
728 km
453 mi
728 km
453 mi
Trunk score
470 L
16.6 cu ft
470 L
16.6 cu ft
470 L
16.6 cu ft
470 L
16.6 cu ft
Power-to-weight score
157 hp/t
117 kW/t
6.4 kg/hp
136 hp/t
102 kW/t
7.3 kg/hp
124 hp/t
92 kW/t
8.1 kg/hp
105 hp/t
78 kW/t
9.5 kg/hp
Overall
Fixed score
Fixed score
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) 420i (Stage 3) 255 hpBMW 4 Series Gran Coupe (G26) 420i (Stage 2) 221 hpBMW 4 Series Gran Coupe (G26) 420i (Stage 1) 201 hpBMW 4 Series Gran Coupe (G26) 420i 170 hp
Consumption8.1 L/100 km29 mpg US34.9 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km14.17 LC100 km14.17 LC100 km14.17 LC100 km14.17 LC100 km
Cost / 100 mi22.81 LC100 mi22.81 LC100 mi22.81 LC100 mi22.81 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal1,215 L321 US gal267 UK gal1,215 L321 US gal267 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,126 LC/year2,126 LC/year2,126 LC/year2,126 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (G26) 420i (Stage 3) 255 hp

  • Has 34 hp more
  • Has 50 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 13 km/h (8 mph) higher top speed
  • Has 21 hp/t better power-to-weight

Pros

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

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Popular comparisons

BMW 4 Series Gran Coupe (G26) 420i · Stage 3 vs BMW 4 Series Gran Coupe (G26) 420i · Stage 2 vs BMW 4 Series Gran Coupe (G26) 420i · Stage 1 vs BMW 4 Series Gran Coupe (G26) 420i - car comparison - FastVsFaster