Mercedes-Benz S 350 d vs X4 M40d

Mercedes-Benz S 350 d

Suv · Gasoline

X4 M40d

Suv · Diesel

Car A

Mercedes-Benz S 350 d

The Mercedes-Benz S 350 d leans into reliability, safety, and premium comfort for growing families and road trips. Its torquey diesel is quick and efficient, while tight-city use and hard performance driving aren’t its focus.

5 seatsSuvGasoline5-star safety7 L/100km

Car B

X4 M40d

The BMW X4 M40d is a performance-leaning diesel SUV built for road trips and growing families, pairing strong power with usable space. Its premium price and diesel focus suit highway miles more than city errands.

5 seatsSuvDiesel5-star safety340 hp

Why compared cross branddifferent powertrainsame body typesame seats

Usage fit

Family 75 / 65

City 25 / 28

Budget / value 39 / 29

Road trip 65 / 65

Performance 27 / 30

Cargo 36 / 37

Practical 56 / 41

Premium 69 / 65

Winter 40 / 40

Scores out of 100. Blue = Mercedes-Benz S 350 d · Orange = X4 M40d

Specs side-by-side

Spec Mercedes-Benz S 350 d X4 M40d

Values are representative — confirm for your market and trim.

Pros & cons