BMW X3 M40i vs Mercedes-Benz GLB 35 AMG

BMW X3 M40i

Suv · Gasoline

Mercedes-Benz GLB 35 AMG

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

Mercedes-Benz GLB 35 AMG

A fast five-seater that mixes strong power with everyday space, the GLB 35 AMG suits growing families who want pace for road trips. Efficiency and price place it outside the budget end of the segment.

5 seatsSuvGasoline5-star safety421 hp

Why compared more powerbetter valuecomparison pickcross brandsame body typesame powertrain

Usage fit

Family 75 / 66

City 28 / 39

Budget / value 50 / 33

Road trip 65 / 55

Performance 30 / 35

Cargo 38 / 40

Practical 53 / 39

Premium 61 / 55

Winter 40 / 36

Scores out of 100. Blue = BMW X3 M40i · Orange = Mercedes-Benz GLB 35 AMG

Specs side-by-side

Spec BMW X3 M40i Mercedes-Benz GLB 35 AMG

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

Mercedes-Benz GLB 35 AMG

Quick 0–100 km/h in 5.2 s and 421 hp support confident passing and merging
570 L cargo space and five seats fit family use and road trips
2.0L turbocharged I4 delivers responsive performance without a bulky engine
Around 55,000 for this blend of pace and practicality is good value in its segment
Combined consumption of 10.2 L/100 km raises running costs
Seats only five, so not ideal if you need a third row
Not aimed at performance‑driving purists despite strong power
Price won’t suit budget‑focused buyers

Verdict

Pick BMW X3 M40i if…

Best fuel economy

BMW X3 M40i uses 9.0 L/100km vs 10.2 — a meaningful saving if you cover high mileage.

Pick Mercedes-Benz GLB 35 AMG if…

More power

Mercedes-Benz GLB 35 AMG puts out 421 hp vs 360 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

BMW X3 M40i

Mercedes-Benz GLB 35 AMG

Verdict

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