Car comparison

BMW 7 Series (G70) 740ivsBMW X3 (G45) M50

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

New comparison

BMW 7 Series (G70)

740i

380 hp2998 ccGasolineRWDAutomaticTurbochargedSedan2022-2026
VS

BMW X3 (G45)

M50

381 hp2998 ccGasolineAWDAutomaticTurbocharged2024-present

Comparison overview

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

Best choices

BMW X3 (G45) M50

  • Quickest 0-100 km/h
    4.6 s
  • Most powerful
    381 hp
    284 kW
  • Highest torque
    540 Nm
    398 lb-ft
  • Lightest
    1,980 kg
    4,365 lb
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Largest trunk
    570 L
  • Best overall score
    75/100
  • Best performance score
    74/100

BMW 7 Series (G70) 740i

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lowest combined fuel consumption
    8.0 L/100 km
    29.4 mpg US
    35.3 mpg UK
  • Best estimated range
    925 km
    575 mi
  • Best economy score
    85/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelBMW7 Series (G70)740iBMWX3 (G45)M50
Power
380hp283kW
381hp284kW
Torque
520Nm384lb-ft
540Nm398lb-ft
Curb weight
2,165kg4,773lb
1,980kg4,365lb
Gross weight
2,785kg6,140lb
2,625kg5,787lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.0s99% target: 262 km/h / 163 mph
Calculated
65.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.4s
4.6s
0-200 km/h
16.8s
Calculated
17.0s
Calculated
0-60 mph
5.2s
Calculated
4.4s
Calculated
Fuel consumption
8L/100 km29.4mpg US35.3mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile
13.4s
Calculated
12.8s
Calculated
Power-to-weight
176hp/t131kW/t80hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
240Nm/t161lb-ft/ton
Calculated
273Nm/t182lb-ft/ton
Calculated
Estimated range
925km575mi
Calculated
783km487mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
5,391mm212in
4,755mm187in
Width
1,950mm77in
1,920mm76in
Height
1,544mm61in
1,660mm65in
Wheelbase
3,215mm127in
2,865mm113in
Front track
1,713mm67in
1,622mm64in
Rear track
1,736mm68in
1,623mm64in
Ground clearance-
216mm9in
Trunk volume
540L
570L
Max trunk volume-
1,700L
Doors
4
5
Seats
5
5
Fuel tank
74L
65L

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 7 Series (G70) 740iBMW X3 (G45) M50PowerTorque
  • BMW 7 Series (G70) 740i: Power / Torque
  • BMW X3 (G45) M50: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW7 Series (G70)740i5,200-6,250 rpm1,850-5,000 rpm6,500 rpm
BMWX3 (G45)M505,200-6,250 rpm1,900-4,800 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW7 Series (G70)740iBMWX3 (G45)M50
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
4.4 s
0-100 km/h
0-62 mph
5.4 s
4.6 s
0-200 km/h
0-124 mph
16.8 s
17.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.1 s
330 ft
101 m
6.0 s
5.5 s
1/8 mile
201 m
8.9 s
8.3 s
1000 ft
305 m
11.3 s
10.7 s
1/4 mile
402 m
13.4 s
12.8 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
178 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
380 hp
283 kW
BMWX3 (G45)M50
381 hp
284 kW

BMW X3 (G45) M50 has 1 hp more than BMW 7 Series (G70) 740i.

The biggest power difference is between BMW 7 Series (G70) 740i and BMW X3 (G45) M50: 1 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
520 Nm
384 lb-ft
BMWX3 (G45)M50
540 Nm
398 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
2,165 kg
4,773 lb
BMWX3 (G45)M50
1,980 kg
4,365 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWX3 (G45)M50
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i5.4 s
BMWX3 (G45)M504.6 s

The biggest 0-100 km/h difference is between BMW X3 (G45) M50 and BMW 7 Series (G70) 740i: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMWX3 (G45)M50
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
BMW7 Series (G70)740i
176 hp/t
131 kW/t
5.7 kg/hp
BMWX3 (G45)M50
192 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740i
925 km
575 mi
BMWX3 (G45)M50
783 km
487 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW7 Series (G70)740i
380 hp
283 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWX3 (G45)M50
381 hp
284 kW
4.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMW7 Series (G70)740i
Power
380 hp
283 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
5,391 mm
212.2 in
Height
1,544 mm
60.8 in
BMWX3 (G45)M50
Power
381 hp
284 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,755 mm
187.2 in
Height
1,660 mm
65.4 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
BMW7 Series (G70)740i
Power
380 hp
283 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMWX3 (G45)M50
Power
381 hp
284 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

BMW X3 (G45) M50 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
BMW7 Series (G70)740i
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
5.4 s
BMWX3 (G45)M50
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
4.6 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
BMW7 Series (G70)740i
176 hp/t
131 kW/t
5.7 kg/hp
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMWX3 (G45)M50
192 hp/t
143 kW/t
5.2 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW7 Series (G70)740iBMWX3 (G45)M50
Power
380 hp
283 kW
381 hp
284 kW
Torque
520 Nm
384 lb-ft
540 Nm
398 lb-ft
Acceleration
5.4 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,165 kg
4,773 lb
1,980 kg
4,365 lb
Fuel consumption
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
5,391 mm
212.2 in
Height
1,544 mm
60.8 in
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,755 mm
187.2 in
Height
1,660 mm
65.4 in
Range score
925 km
575 mi
783 km
487 mi
Trunk score
540 L
19.1 cu ft
570 L
20.1 cu ft
Power-to-weight score
176 hp/t
131 kW/t
5.7 kg/hp
192 hp/t
143 kW/t
5.2 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 7 Series (G70) 740iBMW X3 (G45) M50
Consumption8 L/100 km29.4 mpg US35.3 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK
Cost / 100 km14.00 LC100 km14.53 LC100 km
Cost / 100 mi22.53 LC100 mi23.38 LC100 mi
Annual fuel used1,200 L317 US gal264 UK gal1,245 L329 US gal274 UK gal
Annual fuel cost2,100 LC/year2,179 LC/year

Head-to-head comparisons

BMW 7 Series (G70) 740i

  • Has 5 km/h (3 mph) higher top speed
  • Uses 0.3 L/100 km less fuel
  • Has 142 km (88 mi) more estimated range

Pros

  • Highest top speed
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk

BMW X3 (G45) M50

  • Has 1 hp more
  • Has 20 Nm more
  • Is 185 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 17 hp/t better power-to-weight
  • Has 30 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 7 Series (G70) 740i
BMW X3 (G45) M50
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