BMW X3 (G45)
Car comparison
BMW X3 (G45) M50vsBMW X3 (G01) M40i
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonBMW X3 (G01)
M40i
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/h4.6 s
- Fastest top speed260 km/h162 mph Unrestricted250 km/h155 mph Restricted
- Most powerful381 hp284 kW
- Highest torque540 Nm398 lb-ft
- Largest trunk570 L
- Best overall score75/100
- Best performance score74/100
- Best economy score85/100
- Best practicality score78/100
BMW X3 (G01) M40i
- Lightest1,845 kg4,068 lb
- Best power-to-weight195 hp/t146 kW/t5.1 kg/hp
- Lowest combined fuel consumption8.2 L/100 km28.7 mpg US34.4 mpg UK
- Best estimated range793 km493 mi
Specification comparison
| Model | BMWX3 (G45)M50 | BMWX3 (G01)M40i |
|---|---|---|
| Power | 381hp284kW | 360hp268kW |
| Torque | 540Nm398lb-ft | 500Nm369lb-ft |
| Curb weight | 1,980kg4,365lb | 1,845kg4,068lb |
| Gross weight | 2,625kg5,787lb | 2,455kg5,412lb |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated | 250 km/h 155 mph |
| To 99% top speed | 65.8s99% target: 257 km/h / 160 mph Calculated | 69.7s99% target: 248 km/h / 154 mph Calculated |
| 0-100 km/h | 4.6s | 4.8s |
| 0-200 km/h | 17.0s Calculated | 19.4s Calculated |
| 0-60 mph | 4.4s Calculated | 4.5s Calculated |
| Fuel consumption | 8.3L/100 km28.3mpg US34.0mpg UK | 8.2L/100 km28.7mpg US34.4mpg UK |
| Fuel consumption city | - | 10.1L/100 km23.3mpg US28.0mpg UK |
| Fuel consumption highway | - | 7.2L/100 km32.7mpg US39.2mpg UK |
| Quarter mile | 12.8s Calculated | 13.1s Calculated |
| Power-to-weight | 192hp/t143kW/t87hp/1000 lb Calculated | 195hp/t146kW/t89hp/1000 lb Calculated |
| Torque-to-weight | 273Nm/t182lb-ft/ton Calculated | 271Nm/t181lb-ft/ton Calculated |
| Estimated range | 783km487mi Calculated | 793km493mi Calculated |
| Displacement | 2,998cc183cu in | 2,998cc183cu in |
| Length | 4,755mm187in | 4,716mm186in |
| Width | 1,920mm76in | 1,897mm75in |
| Height | 1,660mm65in | 1,676mm66in |
| Wheelbase | 2,865mm113in | 2,864mm113in |
| Front track | 1,622mm64in | 1,615mm64in |
| Rear track | 1,623mm64in | 1,594mm63in |
| Ground clearance | 216mm9in | 204mm8in |
| Trunk volume | 570L | 550L |
| Max trunk volume | 1,700L | 1,600L |
| Doors | 5 | 5 |
| Seats | 5 | 5 |
| Fuel tank | 65L | 65L |
| CO2 emissions | - | 187g/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 X3 (G45) M50: Power / Torque
- BMW X3 (G01) M40i: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMWX3 (G45)M50 | 5,200-6,250 rpm | 1,900-4,800 rpm | 6,500 rpm |
| BMWX3 (G01)M40i | 5,200-6,500 rpm | 1,850-5,000 rpm | 6,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMWX3 (G45)M50 | BMWX3 (G01)M40i |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.4 s | 4.5 s |
0-100 km/h 0-62 mph | 4.6 s | 4.8 s |
0-200 km/h 0-124 mph | 17.0 s | 19.4 s |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited | 250 km/h 155 mph |
| Drag race simulation | ||
60 ft 18 m | 2.1 s | 2.0 s |
330 ft 101 m | 5.5 s | 5.5 s |
1/8 mile 201 m | 8.3 s | 8.4 s |
1000 ft 305 m | 10.7 s | 10.9 s |
1/4 mile 402 m | 12.8 s | 13.1 s |
Trap speed 1/4 mile 402 m | 178 km/h 111 mph | 172 km/h 107 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 381 hp 284 kW |
| BMWX3 (G01)M40i | 360 hp 268 kW |
BMW X3 (G45) M50 has 21 hp more than BMW X3 (G01) M40i.
The biggest power difference is between BMW X3 (G01) M40i and BMW X3 (G45) M50: 21 hp (16 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 540 Nm 398 lb-ft |
| BMWX3 (G01)M40i | 500 Nm 369 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 1,980 kg 4,365 lb |
| BMWX3 (G01)M40i | 1,845 kg 4,068 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| BMWX3 (G01)M40i | 250 km/h 155 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 4.6 s |
| BMWX3 (G01)M40i | 4.8 s |
The biggest 0-100 km/h difference is between BMW X3 (G45) M50 and BMW X3 (G01) M40i: 0.2 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 8.3 L/100 km 28.3 mpg US 34.0 mpg UK |
| BMWX3 (G01)M40i | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK |
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 192 hp/t 143 kW/t 5.2 kg/hp |
| BMWX3 (G01)M40i | 195 hp/t 146 kW/t 5.1 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMWX3 (G45)M50 | 783 km 487 mi |
| BMWX3 (G01)M40i | 793 km 493 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMWX3 (G45)M50 | 381 hp 284 kW | 4.6 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| BMWX3 (G01)M40i | 360 hp 268 kW | 4.8 s | 250 km/h 155 mph |
Most attractive quadrant
Scatter chart with performance score on the X axis and practicality score on the Y axis.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BMWX3 (G45)M50 |
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| BMWX3 (G01)M40i |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| BMWX3 (G45)M50 |
| 8.3 L/100 km 28.3 mpg US 34.0 mpg UK | ||||||
| BMWX3 (G01)M40i |
| 8.2 L/100 km 28.7 mpg US 34.4 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| BMWX3 (G45)M50 | 8.3 L/100 km 28.3 mpg US 34.0 mpg UK | 4.6 s |
| BMWX3 (G01)M40i | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK | 4.8 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| 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 |
| BMWX3 (G01)M40i | 195 hp/t 146 kW/t 5.1 kg/hp | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK |
Detailed score breakdown
| Vehicle | BMWX3 (G45)M50 | BMWX3 (G01)M40i | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 381 hp 284 kW | 360 hp 268 kW | ||||||||||||||||
| Torque | 540 Nm 398 lb-ft | 500 Nm 369 lb-ft | ||||||||||||||||
| Acceleration | 4.6 s | 4.8 s | ||||||||||||||||
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | 250 km/h 155 mph | ||||||||||||||||
| Lightness | 1,980 kg 4,365 lb | 1,845 kg 4,068 lb | ||||||||||||||||
| Fuel consumption | 8.3 L/100 km 28.3 mpg US 34.0 mpg UK | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 783 km 487 mi | 793 km 493 mi | ||||||||||||||||
| CO2 score | - | 187 g/km | ||||||||||||||||
| Trunk score | 570 L 20.1 cu ft | 550 L 19.4 cu ft | ||||||||||||||||
| Power-to-weight score | 192 hp/t 143 kW/t 5.2 kg/hp | 195 hp/t 146 kW/t 5.1 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
| Vehicle | BMW X3 (G45) M50 | BMW X3 (G01) M40i |
|---|---|---|
| Consumption | 8.3 L/100 km28.3 mpg US34 mpg UK | 8.2 L/100 km28.7 mpg US34.4 mpg UK |
| Cost / 100 km | 14.53 LC100 km | 14.35 LC100 km |
| Cost / 100 mi | 23.38 LC100 mi | 23.09 LC100 mi |
| Annual fuel used | 1,245 L329 US gal274 UK gal | 1,230 L325 US gal271 UK gal |
| Annual fuel cost | 2,179 LC/year | 2,153 LC/year |
Head-to-head comparisons
BMW X3 (G45) M50
- Has 21 hp more
- Has 40 Nm more
- Is 0.2 s quicker from 0-100 km/h
- Has 10 km/h (6 mph) higher top speed
- Has 20 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Largest trunk
Cons
- Highest combined fuel consumption
- Heaviest
BMW X3 (G01) M40i
- Is 135 kg lighter
- Uses 0.1 L/100 km less fuel
- Has 3 hp/t better power-to-weight
- Has 10 km (6 mi) more estimated range
Pros
- Lightest
- Lowest combined fuel consumption
- Best power-to-weight ratio
- Best estimated range
Cons
- Slowest 0-100 km/h
- Lowest power
- Lowest top speed
- Smallest trunk
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