BMW 3 Series Sedan M340i
Sedan · Mild_hybrid · FWD
vs
Mercedes-Benz GLC 63 AMG
Sedan · Gasoline · FWD
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 safety8.1 L/100kmHybrid
Mercedes-Benz GLC 63 AMG
Car B
Mercedes-Benz GLC 63 AMG
A five-seat, V8 biturbo performance model that pairs serious speed (0–100 km/h in 3.8 s) with useful everyday space. Best suited to premium buyers who want road‑trip practicality without giving up pace.
5 seatsSedanGasoline5-star safety476 hp
Why compared more powercomparison picksame body typesame seatsstep-up price

Usage fit

Family 63 / 55
City 45 / 35
Budget / value 54 / 21
Road trip 52 / 55
Performance 35 / 41
Cargo 26 / 30
Practical 44 / 27
Premium 54 / 61
Winter 26 / 26

Scores out of 100. Blue = BMW 3 Series Sedan M340i · Orange = Mercedes-Benz GLC 63 AMG

Specs side-by-side

Spec BMW 3 Series Sedan M340i Mercedes-Benz GLC 63 AMG
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 GLC 63 AMG

  • Very quick: 0–100 km/h in 3.8 s and 280 km/h top speed.
  • V8 biturbo punch (476 hp, 650 Nm) for confident overtakes and highway cruising.
  • Five seats and a 550 L trunk support family use and longer trips.
  • Strong safety ranking signal alongside its performance focus.

Verdict

Pick BMW 3 Series Sedan M340i if…
Best fuel economy
BMW 3 Series Sedan M340i uses 8.1 L/100km vs 12.3 — a meaningful saving if you cover high mileage.
Pick Mercedes-Benz GLC 63 AMG if…
More power
Mercedes-Benz GLC 63 AMG puts out 476 hp vs 374 — meaningfully quicker and more confident on motorways.

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