BMW M430i Convertible
Convertible · Gasoline
vs
BMW 840i
Coupe · Gasoline
BMW M430i Convertible
Car A
BMW M430i Convertible
A premium four-seat convertible that blends brisk acceleration with everyday usability, the BMW M430i Convertible suits drivers who want open-top enjoyment without giving up some road-trip practicality. It’s less compelling if you need maximum cargo flexibility or face frequent harsh winters.
4 seatsConvertibleGasoline5-star safety8.5 L/100km
BMW 840i
Car B
BMW 840i
A premium coupe that blends 340 hp pace with usable four‑seat, 440 L practicality. Best for drivers who value performance and road‑trip versatility over urban convenience.
4 seatsCoupeGasoline5-star safety340 hp
Why compared different body typesame brandsame powertrainsame seatsdifferent segment

Usage fit

Family 45 / 47
City 34 / 18
Budget / value 46 / 37
Road trip 43 / 54
Performance 36 / 40
Cargo 18 / 22
Practical 30 / 31
Premium 56 / 67
Winter 26 / 30

Scores out of 100. Blue = BMW M430i Convertible · Orange = BMW 840i

Specs side-by-side

Spec BMW M430i Convertible BMW 840i
Values are representative — confirm for your market and trim.

Pros & cons

BMW M430i Convertible

  • Quick 0–100 km/h in 5.2 s for confident passing and merging
  • Four seats make it workable for couples or small families
  • 380 L trunk supports weekend luggage and road-trip gear
  • Strong standing in horsepower and safety rankings for its class

BMW 840i

  • 4.6 s 0–100 km/h and 340 hp enable confident passing and highway merging
  • Four seats and a 440 L trunk suit weekend getaways and longer trips
  • Ranks well for safety in its class
  • Good value in its segment at a listed price of 85,000

Verdict

Pick BMW M430i Convertible if…
Best fuel economy
BMW M430i Convertible uses 8.5 L/100km vs 9.2 — a meaningful saving if you cover high mileage.
Pick BMW 840i if…
More power
BMW 840i puts out 340 hp vs 275 — meaningfully quicker and more confident on motorways.

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