BMW 840d xDrive vs BMW M4 Convertible

BMW 840d xDrive

Coupe · Diesel · AWD

BMW M4 Convertible

Convertible · Gasoline

Car A

BMW 840d xDrive

The BMW 840d xDrive is a luxury AWD diesel coupe that blends strong torque and efficient cruising for confident long-distance driving. It adds 4-seat practicality and a 420-liter trunk, but sits at a premium price point.

4 seatsCoupeDiesel5-star safety6 L/100kmAWD

Car B

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.

4 seatsConvertibleGasoline5-star safety503 hp

Why compared different body typeperformance gapdifferent powertrainsame brandsame seatsdifferent segment

Usage fit

Family 37 / 36

City 21 / 28

Budget / value 20 / 19

Road trip 59 / 43

Performance 46 / 44

Cargo 20 / 19

Practical 22 / 16

Premium 70 / 64

Winter 70 / 26

Scores out of 100. Blue = BMW 840d xDrive · Orange = BMW M4 Convertible

Specs side-by-side

Spec BMW 840d xDrive BMW M4 Convertible

Values are representative — confirm for your market and trim.

Pros & cons

BMW 840d xDrive

Strong, effortless performance from 320 hp and 680 Nm with 0–100 km/h in 5.2 s
AWD traction for confident driving in varied weather
Efficient for its class at 6 L/100 km, ideal for road trips
Practical for a coupe with four seats and a 420-liter trunk
High purchase price at 98,000 places it in the premium tier
Coupe layout is less convenient for families and rear-seat access
Diesel powertrain may not suit buyers preferring petrol or hybrid
420-liter cargo space won’t satisfy cargo-heavy use

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.

Verdict

Pick BMW 840d xDrive if…

Best fuel economy

BMW 840d xDrive uses 6.0 L/100km vs 10.6 — a meaningful saving if you cover high mileage.

Pick BMW M4 Convertible if…

More power

BMW M4 Convertible puts out 503 hp vs 320 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

BMW 840d xDrive

BMW M4 Convertible

Verdict

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