Car comparison

BMW 6 Series Gran Turismo (G32) 630ivsBMW X4 (G02) 30i

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

New comparison

BMW 6 Series Gran Turismo (G32)

630i

258 hp1998 ccGasolineRWDAutomaticTurbocharged2017-2020
VS

BMW X4 (G02)

30i

252 hp1998 ccGasolineAWDAutomaticTurbocharged2018-2021

Comparison overview

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

Best choices

BMW 6 Series Gran Turismo (G32) 630i

  • Quickest 0-100 km/h
    6.3 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,720 kg
    3,792 lb
  • Best power-to-weight
    150 hp/t
    112 kW/t
    6.7 kg/hp
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest CO2 emissions
    152 g/km
  • Best estimated range
    1,030 km
    640 mi
  • Largest trunk
    610 L
  • Best overall score
    67/100
  • Best performance score
    61/100
  • Best economy score
    89/100
  • Best practicality score
    79/100

Specification comparison

Specification comparison
ModelBMW6 Series Gran Turismo (G32)630iBMWX4 (G02)30i
Power
258hp192kW
252hp188kW
Torque
400Nm295lb-ft
350Nm258lb-ft
Curb weight
1,720kg3,792lb
1,720kg3,792lb
Gross weight
2,380kg5,247lb
2,400kg5,291lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
240 km/h
149 mph
To 99% top speed
88.1s99% target: 257 km/h / 160 mph
Calculated
86.5s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
6.3s
6.3s
0-200 km/h
23.0s
Calculated
27.3s
Calculated
0-60 mph
6.0s
Calculated
6.0s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
14.4s
Calculated
14.4s
Calculated
Power-to-weight
150hp/t112kW/t68hp/1000 lb
Calculated
147hp/t109kW/t66hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
203Nm/t136lb-ft/ton
Calculated
Estimated range
1,030km640mi
Calculated
890km553mi
Calculated
Displacement
1,998cc122cu in
1,998cc122cu in
Length
5,091mm200in
4,752mm187in
Width
1,902mm75in
1,918mm76in
Height
1,538mm61in
1,621mm64in
Wheelbase
3,070mm121in
2,864mm113in
Front track
1,615mm64in
1,620mm64in
Rear track
1,649mm65in
1,666mm66in
Ground clearance
138mm5in
204mm8in
Trunk volume
610L
525L
Max trunk volume
1,800L
1,430L
Doors
5
5
Seats
5
5
Fuel tank
68L
65L
CO2 emissions
152g/km
168g/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 6 Series Gran Turismo (G32) 630iBMW X4 (G02) 30iPowerTorque
  • BMW 6 Series Gran Turismo (G32) 630i: Power / Torque
  • BMW X4 (G02) 30i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Gran Turismo (G32)630i5,000-6,500 rpm1,550-4,400 rpm6,750 rpm
BMWX4 (G02)30i5,200-6,500 rpm1,450-4,800 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Gran Turismo (G32)630iBMWX4 (G02)30i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
6.0 s
0-100 km/h
0-62 mph
6.3 s
6.3 s
0-200 km/h
0-124 mph
23.0 s
27.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
240 km/h
149 mph
Drag race simulation
60 ft
18 m
2.4 s
2.3 s
330 ft
101 m
6.3 s
6.2 s
1/8 mile
201 m
9.4 s
9.4 s
1000 ft
305 m
12.1 s
12.1 s
1/4 mile
402 m
14.4 s
14.4 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
157 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
258 hp
192 kW
BMWX4 (G02)30i
252 hp
188 kW

BMW 6 Series Gran Turismo (G32) 630i has 6 hp more than BMW X4 (G02) 30i.

The biggest power difference is between BMW X4 (G02) 30i and BMW 6 Series Gran Turismo (G32) 630i: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
400 Nm
295 lb-ft
BMWX4 (G02)30i
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
1,720 kg
3,792 lb
BMWX4 (G02)30i
1,720 kg
3,792 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02)30i
240 km/h
149 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i6.3 s
BMWX4 (G02)30i6.3 s

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMWX4 (G02)30i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Gran Turismo (G32) 630i and BMW X4 (G02) 30i: 0.7 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
BMW6 Series Gran Turismo (G32)630i
150 hp/t
112 kW/t
6.7 kg/hp
BMWX4 (G02)30i
147 hp/t
109 kW/t
6.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)630i
1,030 km
640 mi
BMWX4 (G02)30i
890 km
553 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Gran Turismo (G32)630i
258 hp
192 kW
6.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX4 (G02)30i
252 hp
188 kW
6.3 s
240 km/h
149 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
BMW6 Series Gran Turismo (G32)630i
Power
258 hp
192 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,538 mm
60.6 in
BMWX4 (G02)30i
Power
252 hp
188 kW
0-100 km/h6.3 s
Top speed
240 km/h
149 mph
Doors/seats
5 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
4,752 mm
187.1 in
Height
1,621 mm
63.8 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
BMW6 Series Gran Turismo (G32)630i
Power
258 hp
192 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMWX4 (G02)30i
Power
252 hp
188 kW
0-100 km/h6.3 s
Top speed
240 km/h
149 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

BMW 6 Series Gran Turismo (G32) 630i 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
BMW6 Series Gran Turismo (G32)630i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.3 s
BMWX4 (G02)30i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
6.3 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
BMW6 Series Gran Turismo (G32)630i
150 hp/t
112 kW/t
6.7 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMWX4 (G02)30i
147 hp/t
109 kW/t
6.8 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Gran Turismo (G32)630iBMWX4 (G02)30i
Power
258 hp
192 kW
252 hp
188 kW
Torque
400 Nm
295 lb-ft
350 Nm
258 lb-ft
Acceleration
6.3 s
6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
240 km/h
149 mph
Lightness
1,720 kg
3,792 lb
1,720 kg
3,792 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,538 mm
60.6 in
Doors/seats
5 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
4,752 mm
187.1 in
Height
1,621 mm
63.8 in
Range score
1,030 km
640 mi
890 km
553 mi
CO2 score
152 g/km
168 g/km
Trunk score
610 L
21.5 cu ft
525 L
18.5 cu ft
Power-to-weight score
150 hp/t
112 kW/t
6.7 kg/hp
147 hp/t
109 kW/t
6.8 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 6 Series Gran Turismo (G32) 630iBMW X4 (G02) 30i
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km11.55 LC100 km12.78 LC100 km
Cost / 100 mi18.59 LC100 mi20.56 LC100 mi
Annual fuel used990 L262 US gal218 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost1,733 LC/year1,916 LC/year

Head-to-head comparisons

BMW 6 Series Gran Turismo (G32) 630i

  • Has 6 hp more
  • Has 50 Nm more
  • Has 20 km/h (12 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Has 140 km (87 mi) more estimated range
  • Has 85 L more trunk volume
  • Emits 16 g/km less CO2

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

BMW X4 (G02) 30i

No measurable advantages in the available data.

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series Gran Turismo (G32) 630i
BMW X4 (G02) 30i
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