Mercedes-Benz AMG CLA 45 vs BMW 125i — full comparison

Mercedes-Benz AMG CLA 45

Hatchback · Gasoline · FWD

vs

BMW 125i

Hatchback · Gasoline · FWD

Mercedes-Benz AMG CLA 45

Car A

Mercedes-Benz AMG CLA 45

Delivers serious performance—3.9 s to 100 km/h and 270 km/h top speed—while still offering 5 seats and a 460 L trunk. A strong fit for drivers who need family-capable practicality but prioritize acceleration and response.

5 seatsHatchbackGasoline5-star safety421 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 cross brandsame body typesame powertrainsame seats

Usage fit

Family 66 / 63

City 52 / 59

Budget / value 54 / 60

Road trip 43 / 41

Performance 38 / 34

Cargo 25 / 21

Practical 51 / 51

Premium 55 / 50

Winter 26 / 26

Scores out of 100. Blue = Mercedes-Benz AMG CLA 45 · Orange = BMW 125i

Specs side-by-side

Spec Mercedes-Benz AMG CLA 45 BMW 125i

Values are representative — confirm for your market and trim.

Pros & cons

Mercedes-Benz AMG CLA 45

3.9 s 0–100 km/h and 270 km/h top speed for standout performance
421 hp and 500 Nm enable confident overtakes and highway merging
Seats 5 with a 460 L trunk, workable for growing families and city errands
8.2 L/100 km combined is efficient for its class and good value at this price point
Front-wheel drive may limit traction and winter confidence
Less cargo flexibility than larger family vehicles despite a decent trunk
Price near 55,000 can exceed mainstream-compact budgets
Not the most frugal choice for long commutes versus non-performance models

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 Mercedes-Benz AMG CLA 45 if…

Efficiency & everyday ease

Mercedes-Benz AMG CLA 45 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.

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