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BMW 3 Series Gran Turismo M340i
Hatchback · Gasoline · FWD
vs
Mercedes-Benz GLA 45 AMG
Hatchback · Gasoline · FWD
BMW 3 Series Gran Turismo M340i
Car A
BMW 3 Series Gran Turismo M340i
A rapid 5-seat hatchback that blends strong performance with everyday practicality and good value in its segment. Best for families who want speed and road-trip ease, less ideal for cargo-heavy or winter-focused use.
5 seatsHatchbackGasoline5-star safety8.1 L/100km
Mercedes-Benz GLA 45 AMG
Car B
Mercedes-Benz GLA 45 AMG
The Mercedes-Benz GLA 45 AMG blends compact family practicality with serious performance, pairing five-seat usability and a 435 L trunk with top-tier power and brisk acceleration. It’s efficient for its class and good value among performance compacts, though FWD and modest cargo space limit winter and cargo-heavy roles.
5 seatsHatchbackGasoline5-star safety421 hp
Why compared more powercomparison pickalternative pickcross brandsame body typesame powertrain

Usage fit

Family 58 / 56
City 40 / 51
Budget / value 37 / 36
Road trip 54 / 42
Performance 35 / 36
Cargo 28 / 24
Practical 39 / 36
Premium 60 / 55
Winter 30 / 26

Scores out of 100. Blue = BMW 3 Series Gran Turismo M340i · Orange = Mercedes-Benz GLA 45 AMG

Specs side-by-side

Spec BMW 3 Series Gran Turismo M340i Mercedes-Benz GLA 45 AMG
Values are representative — confirm for your market and trim.

Pros & cons

BMW 3 Series Gran Turismo M340i

  • Very quick acceleration (0–100 km/h in 4.4 s) from 374 hp for confident passing and merges
  • 5-seat hatchback with a 500 L trunk suits growing families and road trips
  • 8.1 L/100 km combined consumption is efficient for its class given the output
  • At $54,900, offers good value in its segment for the performance on tap

Mercedes-Benz GLA 45 AMG

  • Very quick performance for confident passing and merges (0–100 km/h in 4.0 s).
  • Top-tier power from a 2.0L turbo (421 hp, 500 Nm) for an engaging drive.
  • Usable daily with 5 seats and a 435 L trunk for family needs.
  • Efficient for its class at 9.1 L/100 km and good value in its segment.

Verdict

Pick BMW 3 Series Gran Turismo M340i if…
Best fuel economy
BMW 3 Series Gran Turismo M340i uses 8.1 L/100km vs 9.1 — a meaningful saving if you cover high mileage.
Pick Mercedes-Benz GLA 45 AMG if…
More power
Mercedes-Benz GLA 45 AMG puts out 421 hp vs 374 — meaningfully quicker and more confident on motorways.

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