Car A
BMW M4 Convertible
The BMW M4 Convertible blends open-air driving with serious performance in a premium four-seat package. It suits buyers who prioritize speed and presence over ultimate efficiency and utility.
BMW M4 Convertible
Convertible · Gasoline
vs
BMW 840i
Coupe · Gasoline
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.
Why compared
different body typesame brandsame powertrainsame seatsdifferent segmentsimilar price
Usage fit
Family
36
/
47
City
28
/
18
Budget / value
19
/
37
Road trip
43
/
54
Performance
44
/
40
Cargo
19
/
22
Practical
16
/
31
Premium
64
/
67
Winter
26
/
30
Scores out of 100. Blue = BMW M4 Convertible · Orange = BMW 840i
Specs side-by-side
Spec
BMW M4 Convertible
BMW 840i
Values are representative — confirm for your market and trim.
Pros & cons
BMW M4 Convertible
- Explosive 0–100 km/h in 3.9 s keeps drives engaging.
- 503 hp and 650 Nm provide effortless passing power.
- Four seats and a 400 L trunk make open-top road trips more feasible.
- Strong safety ranking signal for those who also value protection.
- At 84,000, it sits firmly in the premium price bracket.
- Combined consumption of 10.6 L/100 km isn’t the most efficient for daily commuting.
- Convertible format prioritizes experience over maximum cargo flexibility.
- Seats four, which may not suit larger families.
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
- Two doors make rear‑seat access less convenient for families
- 9.2 L/100 km combined consumption isn’t ideal for heavy stop‑go commuting
- Not optimized for tight city driving or frequent parking maneuvers
- Cargo flexibility is limited versus SUVs and hatchbacks despite trunk size
Verdict
Pick BMW M4 Convertible if…
Lower entry price
BMW M4 Convertible starts lower, making it the stronger value pick if budget is a priority.
Pick BMW 840i if…
Performance & capability
BMW 840i is the choice if you want more power, speed, or all-weather capability.