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BMW 3 Series Sedan M340i
Sedan · Mild_hybrid · FWD
vs
Mercedes-Benz S 580e 4MATIC
Sedan · Phev · AWD
BMW 3 Series Sedan M340i
Car A
BMW 3 Series Sedan M340i
The BMW 3 Series Sedan M340i delivers serious pace with five-seat practicality and a 480-liter trunk. Its mild-hybrid setup and 8.1 L/100 km consumption make it efficient for its class while offering good value for the performance.
5 seatsSedanMild_hybrid5-star safetyHybrid
Mercedes-Benz S 580e 4MATIC
Car B
Mercedes-Benz S 580e 4MATIC
The Mercedes-Benz S 580e 4MATIC blends high performance with standout plug-in efficiency and a useful 100 km electric range. It suits luxury-focused drivers who want quiet daily EV use with all-weather confidence for long trips.
5 seatsSedanPhev5-star safety2.5 L/100km510 hpAWDPlug-in hybrid
Why compared same body typesame powertrainsame seatsstrong ranking match

Usage fit

Family 63 / 55
City 45 / 34
Budget / value 54 / 25
Road trip 52 / 71
Performance 35 / 47
Cargo 26 / 30
Practical 44 / 39
Premium 54 / 79
Winter 26 / 70

Scores out of 100. Blue = BMW 3 Series Sedan M340i · Orange = Mercedes-Benz S 580e 4MATIC

Specs side-by-side

Spec BMW 3 Series Sedan M340i Mercedes-Benz S 580e 4MATIC
Values are representative — confirm for your market and trim.

Pros & cons

BMW 3 Series Sedan M340i

  • Explosive acceleration and strong power (374 hp, 4.4 s 0-100 km/h).
  • Seats 5 with a 480-liter trunk for growing families and road trips.
  • Mild-hybrid efficiency; 8.1 L/100 km is efficient for its class.
  • Good value in its segment at a listed price of 54,900.

Mercedes-Benz S 580e 4MATIC

  • Up to 100 km electric-only range covers most commutes and enables quiet city driving
  • Efficient for its class, with a rated 2.5 combined consumption when charged regularly
  • Strong performance (510 hp, 750 Nm, 0–100 km/h in 4.1 s) for confident passing
  • AWD stability plus a 550 L trunk and five seats suit road trips and growing families

Verdict

Pick BMW 3 Series Sedan M340i if…
Lower entry price
BMW 3 Series Sedan M340i starts lower, making it the stronger value pick if budget is a priority.
Pick Mercedes-Benz S 580e 4MATIC if…
All-wheel drive
Mercedes-Benz S 580e 4MATIC's AWD adds real-world confidence in wet, icy, or mixed-weather conditions.

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