BMW 3 Series Gran Turismo M340i vs BMW 125i — full comparison

BMW 3 Series Gran Turismo M340i

Hatchback · Gasoline · FWD

vs

BMW 125i

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 safety374 hp

BMW 125i

Car B

BMW 125i

The BMW 125i is a compact hatchback that blends strong acceleration with efficient running for daily family and city use. Its five-seat layout and usable 380-liter trunk make it a good value in its segment.

5 seatsHatchbackGasoline5-star safety5.5 L/100km

Why compared same body typesame brandsame powertrainsame seats

Usage fit

Family 58 / 63

City 40 / 59

Budget / value 37 / 60

Road trip 54 / 41

Performance 35 / 34

Cargo 28 / 21

Practical 39 / 51

Premium 60 / 50

Winter 30 / 26

Scores out of 100. Blue = BMW 3 Series Gran Turismo M340i · Orange = BMW 125i

Specs side-by-side

Spec BMW 3 Series Gran Turismo M340i BMW 125i

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
Gasoline-only powertrain with no electric driving range
Front-wheel drive may be less appealing for buyers prioritizing AWD winter traction
500 L cargo space can feel limited for cargo-heavy use versus larger wagons or SUVs
Price remains higher than non-performance family hatchbacks

BMW 125i

Efficient for its class with a combined consumption of 5.5
Strong performance: 0–100 km/h in 6.1 s and 265 hp
Practical for small families with 5 seats and a 380 L hatch
City-friendly footprint and surefooted FWD for commuting
380 L cargo area may feel tight for bulky or cargo-heavy use
FWD may not suit drivers seeking all-wheel traction for harsh winters
Gasoline-only powertrain with no electrified option in this spec
Price around 45,000 can exceed tighter compact-car budgets

Verdict

Pick BMW 3 Series Gran Turismo M340i if…

Efficiency & everyday ease

BMW 3 Series Gran Turismo M340i is the choice if fuel economy and city-friendly driving are your priority.

Pick BMW 125i if…

Performance & capability

BMW 125i is the choice if you want more power, speed, or all-weather capability.

Related comparisons