Car comparison

BMW 4 Series Gran Coupe (G26) 420ivsBMW X2 (U10) 20d

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
VS

BMW X2 (U10)

20d

150 hp1995 ccDieselFWDAutomaticTurbocharged2024-present

Comparison overview

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

Best choices

BMW X2 (U10) 20d

  • Quickest 0-100 km/h
    8.5 s
  • Highest torque
    360 Nm
    266 lb-ft
  • Lowest combined fuel consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Best estimated range
    1,059 km
    658 mi
  • Largest trunk
    515 L
  • Best overall score
    55/100
  • Best economy score
    93/100
  • Best practicality score
    75/100

BMW 4 Series Gran Coupe (G26) 420i

  • Fastest top speed
    227 km/h
    141 mph
  • Most powerful
    170 hp
    127 kW
  • Lightest
    1,620 kg
    3,571 lb
  • Best power-to-weight
    105 hp/t
    78 kW/t
    9.5 kg/hp
  • Best performance score
    45/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (G26)420iBMWX2 (U10)20d
Power
170hp127kW
150hp112kW
Torque
250Nm184lb-ft
360Nm266lb-ft
Curb weight
1,620kg3,571lb
1,635kg3,605lb
Gross weight
2,175kg4,795lb
2,220kg4,894lb
Top speed
227 km/h
141 mph
210 km/h
130 mph
To 99% top speed
104.2s99% target: 225 km/h / 140 mph
Calculated
94.3s99% target: 208 km/h / 129 mph
Calculated
0-100 km/h
8.6s
8.5s
0-200 km/h
41.2s
Calculated
56.8s
Calculated
0-60 mph
8.1s
Calculated
8.0s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
5.1L/100 km46.1mpg US55.4mpg 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
92hp/t68kW/t42hp/1000 lb
Calculated
Torque-to-weight
154Nm/t103lb-ft/ton
Calculated
220Nm/t147lb-ft/ton
Calculated
Estimated range
728km453mi
Calculated
1,059km658mi
Calculated
Displacement
1,597cc97cu in
1,995cc122cu in
Length
4,783mm188in
4,554mm179in
Width
1,852mm73in
1,845mm73in
Height
1,442mm57in
1,590mm63in
Wheelbase
2,856mm112in
2,692mm106in
Front track
1,595mm63in
1,574mm62in
Rear track
1,623mm64in
1,575mm62in
Ground clearance-
207mm8in
Trunk volume
470L
515L
Max trunk volume
1,290L
1,400L
Doors
5
5
Seats
5
5
Fuel tank
59L
54L

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 X2 (U10) 20dPowerTorque
  • BMW 4 Series Gran Coupe (G26) 420i: Power / Torque
  • BMW X2 (U10) 20d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (G26)420i5,000-5,500 rpm2,000-4,400 rpm5,750 rpm
BMWX2 (U10)20d3,750-4,000 rpm1,500-2,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (G26)420iBMWX2 (U10)20d
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
56.8 s
Top speed
227 km/h
141 mph
210 km/h
130 mph
Drag race simulation
60 ft
18 m
2.6 s
2.5 s
330 ft
101 m
7.0 s
6.9 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
140 km/h
87 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)420i
170 hp
127 kW
BMWX2 (U10)20d
150 hp
112 kW

BMW 4 Series Gran Coupe (G26) 420i has 20 hp more than BMW X2 (U10) 20d.

The biggest power difference is between BMW X2 (U10) 20d and BMW 4 Series Gran Coupe (G26) 420i: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)420i
250 Nm
184 lb-ft
BMWX2 (U10)20d
360 Nm
266 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
BMWX2 (U10)20d
1,635 kg
3,605 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
227 km/h
141 mph
BMWX2 (U10)20d
210 km/h
130 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)420i8.6 s
BMWX2 (U10)20d8.5 s

Although BMW 4 Series Gran Coupe (G26) 420i has more power, BMW X2 (U10) 20d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW X2 (U10) 20d and BMW 4 Series Gran Coupe (G26) 420i: 0.1 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
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMWX2 (U10)20d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

The biggest fuel consumption difference is between BMW X2 (U10) 20d and BMW 4 Series Gran Coupe (G26) 420i: 3.0 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
105 hp/t
78 kW/t
9.5 kg/hp
BMWX2 (U10)20d
92 hp/t
68 kW/t
10.9 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
728 km
453 mi
BMWX2 (U10)20d
1,059 km
658 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (G26)420i
170 hp
127 kW
8.6 s
227 km/h
141 mph
BMWX2 (U10)20d
150 hp
112 kW
8.5 s
210 km/h
130 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
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
BMWX2 (U10)20d
Power
150 hp
112 kW
0-100 km/h8.5 s
Top speed
210 km/h
130 mph
Doors/seats
5 doors
5 seats
Trunk
515 L
18.2 cu ft
Length
4,554 mm
179.3 in
Height
1,590 mm
62.6 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
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
BMWX2 (U10)20d
Power
150 hp
112 kW
0-100 km/h8.5 s
Top speed
210 km/h
130 mph
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

BMW X2 (U10) 20d 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
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
8.6 s
BMWX2 (U10)20d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
8.5 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
105 hp/t
78 kW/t
9.5 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
BMWX2 (U10)20d
92 hp/t
68 kW/t
10.9 kg/hp
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (G26)420iBMWX2 (U10)20d
Power
170 hp
127 kW
150 hp
112 kW
Torque
250 Nm
184 lb-ft
360 Nm
266 lb-ft
Acceleration
8.6 s
8.5 s
Top speed
227 km/h
141 mph
210 km/h
130 mph
Lightness
1,620 kg
3,571 lb
1,635 kg
3,605 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
5.1 L/100 km
46.1 mpg US
55.4 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
515 L
18.2 cu ft
Length
4,554 mm
179.3 in
Height
1,590 mm
62.6 in
Range score
728 km
453 mi
1,059 km
658 mi
Trunk score
470 L
16.6 cu ft
515 L
18.2 cu ft
Power-to-weight score
105 hp/t
78 kW/t
9.5 kg/hp
92 hp/t
68 kW/t
10.9 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 X2 (U10) 20d
Consumption8.1 L/100 km29 mpg US34.9 mpg UK5.1 L/100 km46.1 mpg US55.4 mpg UK
Cost / 100 km14.17 LC100 km8.92 LC100 km
Cost / 100 mi22.81 LC100 mi14.36 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal765 L202 US gal168 UK gal
Annual fuel cost2,126 LC/year1,339 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (G26) 420i

  • Has 20 hp more
  • Is 15 kg lighter
  • Has 17 km/h (11 mph) higher top speed
  • Has 13 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Smallest trunk

BMW X2 (U10) 20d

  • Has 110 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 3.0 L/100 km less fuel
  • Has 330 km (205 mi) more estimated range
  • Has 45 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Gran Coupe (G26) 420i
BMW X2 (U10) 20d
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