BMW 120i vs Mercedes-Benz AMG A 45

BMW 120i

Hatchback · Gasoline · FWD

Mercedes-Benz AMG A 45

Hatchback · Gasoline · FWD

Car A

BMW 120i

The BMW 120i is a compact FWD hatchback that blends quick acceleration with efficient consumption and strong reliability and safety signals. Ideal for city use and small families, but limited for cargo-heavy routines and demanding winter conditions.

5 seatsHatchbackGasoline5-star safety5.5 L/100km

Car B

Mercedes-Benz AMG A 45

The Mercedes-Benz AMG A 45 is a compact, five-seat performance car that delivers 421 hp and a 3.9 s 0–100 km/h sprint while remaining usable with a 370 L trunk. It offers good value in its segment, though its FWD layout and modest cargo flexibility may limit winter and cargo-heavy use.

5 seatsHatchbackGasoline5-star safety421 hp

Why compared same body typesame powertrainsame seatssame usage profile

Usage fit

Family 64 / 53

City 60 / 52

Budget / value 67 / 37

Road trip 41 / 41

Performance 28 / 36

Cargo 21 / 20

Practical 53 / 36

Premium 45 / 55

Winter 26 / 26

Scores out of 100. Blue = BMW 120i · Orange = Mercedes-Benz AMG A 45

Specs side-by-side

Spec BMW 120i Mercedes-Benz AMG A 45

Values are representative — confirm for your market and trim.

Pros & cons

BMW 120i

Strong reliability and safety signals for everyday peace of mind
Quick for its class (0–100 km/h in 6.1 s) for confident commuting and merging
Efficient for its class with a combined consumption of 5.5
Practical 5-seat hatchback with a 380 L trunk for daily family use
Need maximum cargo space; 380 L boot limits bulky items
Regularly drive in harsh winter conditions where extra traction is preferred
Prefer rear- or all-wheel-drive dynamics
Require a roomier cabin than a compact hatchback provides

Mercedes-Benz AMG A 45

Explosive acceleration (0–100 km/h in 3.9 s).
Five seats and a 370 L trunk support daily use.
Efficient for its class at 8.2 L/100 km.
Good value in its segment for a 421 hp compact.
FWD may limit traction in harsh winter conditions.
370 L cargo space is modest for cargo-heavy needs.
8.2 L/100 km is higher than economy-focused compacts.
Price around 55,000 can stretch tighter budgets.

Verdict

Pick BMW 120i if…

Best fuel economy

BMW 120i uses 5.5 L/100km vs 8.2 — a meaningful saving if you cover high mileage.

Pick Mercedes-Benz AMG A 45 if…

More power

Mercedes-Benz AMG A 45 puts out 421 hp vs 178 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

BMW 120i

Mercedes-Benz AMG A 45

Verdict

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