Car comparison

BMW 7 Series (G70) 740dvsBMW X3 (G45) 40d

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

New comparison

BMW 7 Series (G70)

740d

286 hp2993 ccDieselAWDAutomaticTurbochargedSedan2022-2026
VS

BMW X3 (G45)

40d

286 hp2993 ccDieselAWDAutomaticTurbocharged2025-present

Comparison overview

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

Best choices

BMW 7 Series (G70) 740d

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    286 hp
    213 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Best estimated range
    1,088 km
    676 mi
  • Best overall score
    71/100
  • Best economy score
    89/100
  • Best practicality score
    78/100

BMW X3 (G45) 40d

  • Quickest 0-100 km/h
    5.4 s
  • Lightest
    1,975 kg
    4,354 lb
  • Best power-to-weight
    145 hp/t
    108 kW/t
    6.9 kg/hp
  • Lowest combined fuel consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Largest trunk
    570 L
  • Best performance score
    68/100

Specification comparison

Specification comparison
ModelBMW7 Series (G70)740dBMWX3 (G45)40d
Power
286hp213kW
286hp213kW
Torque
650Nm479lb-ft
650Nm479lb-ft
Curb weight
2,180kg4,806lb
1,975kg4,354lb
Gross weight
2,895kg6,382lb
2,620kg5,776lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
245 km/h
152 mph
To 99% top speed
65.2s99% target: 257 km/h / 160 mph
Calculated
76.3s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
5.8s
5.4s
0-200 km/h
19.0s
Calculated
22.6s
Calculated
0-60 mph
5.5s
Calculated
5.1s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
13.8s
Calculated
13.6s
Calculated
Power-to-weight
131hp/t98kW/t60hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
298Nm/t200lb-ft/ton
Calculated
329Nm/t220lb-ft/ton
Calculated
Estimated range
1,088km676mi
Calculated
896km556mi
Calculated
Displacement
2,993cc183cu in
2,993cc183cu in
Length
5,391mm212in
4,755mm187in
Width
1,950mm77in
1,920mm76in
Height
1,544mm61in
1,660mm65in
Wheelbase
3,215mm127in
2,865mm113in
Front track
1,662mm65in
1,636mm64in
Rear track
1,684mm66in
1,681mm66in
Ground clearance
147mm6in
216mm9in
Trunk volume
540L
570L
Max trunk volume-
1,700L
Doors
4
5
Seats
5
5
Fuel tank
74L
60L

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) 740dBMW X3 (G45) 40dPowerTorque
  • BMW 7 Series (G70) 740d: Power / Torque
  • BMW X3 (G45) 40d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW7 Series (G70)740d4,000 rpm1,500-2,500 rpm4,250 rpm
BMWX3 (G45)40d4,000 rpm1,500-2,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW7 Series (G70)740dBMWX3 (G45)40d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.1 s
0-100 km/h
0-62 mph
5.8 s
5.4 s
0-200 km/h
0-124 mph
19.0 s
22.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
245 km/h
152 mph
Drag race simulation
60 ft
18 m
2.4 s
2.1 s
330 ft
101 m
6.2 s
5.8 s
1/8 mile
201 m
9.2 s
8.8 s
1000 ft
305 m
11.7 s
11.4 s
1/4 mile
402 m
13.8 s
13.6 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
165 km/h
103 mph

Power comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740d
286 hp
213 kW
BMWX3 (G45)40d
286 hp
213 kW

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740d
650 Nm
479 lb-ft
BMWX3 (G45)40d
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740d
2,180 kg
4,806 lb
BMWX3 (G45)40d
1,975 kg
4,354 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)740d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G45)40d
245 km/h
152 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)740d5.8 s
BMWX3 (G45)40d5.4 s

The biggest 0-100 km/h difference is between BMW X3 (G45) 40d and BMW 7 Series (G70) 740d: 0.4 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)740d
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
BMWX3 (G45)40d
6.7 L/100 km
35.1 mpg US
42.2 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)740d
131 hp/t
98 kW/t
7.6 kg/hp
BMWX3 (G45)40d
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW7 Series (G70)740d
1,088 km
676 mi
BMWX3 (G45)40d
896 km
556 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW7 Series (G70)740d
286 hp
213 kW
5.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX3 (G45)40d
286 hp
213 kW
5.4 s
245 km/h
152 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)740d
Power
286 hp
213 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 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)40d
Power
286 hp
213 kW
0-100 km/h5.4 s
Top speed
245 km/h
152 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)740d
Power
286 hp
213 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
BMWX3 (G45)40d
Power
286 hp
213 kW
0-100 km/h5.4 s
Top speed
245 km/h
152 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

BMW X3 (G45) 40d 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)740d
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.8 s
BMWX3 (G45)40d
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
5.4 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)740d
131 hp/t
98 kW/t
7.6 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
BMWX3 (G45)40d
145 hp/t
108 kW/t
6.9 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW7 Series (G70)740dBMWX3 (G45)40d
Power
286 hp
213 kW
286 hp
213 kW
Torque
650 Nm
479 lb-ft
650 Nm
479 lb-ft
Acceleration
5.8 s
5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
245 km/h
152 mph
Lightness
2,180 kg
4,806 lb
1,975 kg
4,354 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.7 L/100 km
35.1 mpg US
42.2 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
1,088 km
676 mi
896 km
556 mi
Trunk score
540 L
19.1 cu ft
570 L
20.1 cu ft
Power-to-weight score
131 hp/t
98 kW/t
7.6 kg/hp
145 hp/t
108 kW/t
6.9 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 7 Series (G70) 740dBMW X3 (G45) 40d
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km11.90 LC100 km11.73 LC100 km
Cost / 100 mi19.15 LC100 mi18.87 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost1,785 LC/year1,759 LC/year

Head-to-head comparisons

BMW 7 Series (G70) 740d

  • Has 15 km/h (9 mph) higher top speed
  • Has 193 km (120 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

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

BMW X3 (G45) 40d

  • Is 205 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 0.1 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 30 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 7 Series (G70) 740d
BMW X3 (G45) 40d
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