BMW X3 M40i vs X4 M — full comparison

BMW X3 M40i

Suv · Gasoline

X4 M

Suv · Gasoline

Car A

BMW X3 M40i

The BMW X3 M40i blends five-seat SUV practicality with serious pace for growing families and road trips. At $59,900, its 360 hp and 4.5 s 0-100 km/h deliver good value in its segment, with 9 L/100 km reasonable for the performance.

5 seatsSuvGasoline5-star safety9 L/100km

Car B

X4 M

A high-performance SUV with 510 hp and explosive acceleration, the X4 M suits premium buyers who want road-trip pace and space. Efficiency and price make it less compelling for city use or tight budgets.

5 seatsSuvGasoline5-star safety510 hp

Why compared same body typesame powertrainsame ranking profilesame seatsstrong ranking match

Usage fit

Family 75 / 65

City 28 / 23

Budget / value 50 / 25

Road trip 65 / 68

Performance 30 / 36

Cargo 38 / 37

Practical 53 / 38

Premium 61 / 67

Winter 40 / 40

Scores out of 100. Blue = BMW X3 M40i · Orange = X4 M

Specs side-by-side

Spec BMW X3 M40i X4 M

Values are representative — confirm for your market and trim.

Pros & cons

BMW X3 M40i

Very quick acceleration (0-100 km/h in 4.5 s) for confident passing
550 L cargo space and five seats suit family use and road trips
Good value in its segment at $59,900 given its performance
Reasonable fuel use for this power level (9 L/100 km combined)
You need a third row or seven seats
SUV size is less ideal for tight city driving
You want an electrified or plug-in option; this is gasoline-only
Despite strong power, it is not aimed at hardcore track driving

X4 M

Thrilling acceleration for confident passing and on-ramps
Seats five with a 525 L trunk for luggage-heavy road trips
High horsepower and torque make long-distance cruising effortless
Safety ranks as a strength, adding peace of mind for family travel
10.5 L/100 km consumption is not efficient for daily commuting
$73,000 pricing targets premium buyers, not value seekers
Performance focus and size feel excessive for stop-start city driving
Gasoline-only powertrain offers no electric driving or hybrid mode

Verdict

Pick BMW X3 M40i if…

Best fuel economy

BMW X3 M40i uses 9.0 L/100km vs 10.5 — a meaningful saving if you cover high mileage.

Pick X4 M if…

More power

X4 M puts out 510 hp vs 360 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

BMW X3 M40i

X4 M

Verdict

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