BMW Z4 sDrive30i vs Mercedes-Benz SL 500 (R231)

BMW Z4 sDrive30i

Convertible · Gasoline · RWD

Mercedes-Benz SL 500 (R231)

Convertible · Gasoline

Car A

BMW Z4 sDrive30i

The BMW Z4 sDrive30i is a two-seat RWD roadster that blends brisk acceleration with efficient running and good value in its segment. Best for city driving and weekend escapes rather than cargo-heavy duty.

2 seatsConvertibleGasoline5-star safety6.8 L/100km

Car B

Mercedes-Benz SL 500 (R231)

A two-seat luxury performance car with a 455 hp V8 and 0–100 km/h in 4.6 s that favors long-distance comfort. Best for premium road trips where power matters more than passenger space.

2 seatsConvertibleGasoline5-star safety455 hp

Why compared same body typesame powertrainsame seatsstrong ranking match

Usage fit

Family 34 / 37

City 41 / 15

Budget / value 58 / 30

Road trip 38 / 52

Performance 44 / 43

Cargo 7 / 11

Practical 27 / 25

Premium 51 / 76

Winter 34 / 30

Scores out of 100. Blue = BMW Z4 sDrive30i · Orange = Mercedes-Benz SL 500 (R231)

Specs side-by-side

Spec BMW Z4 sDrive30i Mercedes-Benz SL 500 (R231)

Values are representative — confirm for your market and trim.

Pros & cons

BMW Z4 sDrive30i

Strong reliability and safety rankings
Brisk 0-100 km/h in 5.4 s from 258 hp and 400 Nm
Efficient for its class at 6.8 L/100 km for daily use
Good value in its segment at a 49,500 price point
Only two seats and a 281-liter trunk limit practicality
RWD layout may not suit buyers seeking all-weather traction
Less suited to long road trips due to cargo space and seating capacity
Pricing is still premium compared with mainstream alternatives

Mercedes-Benz SL 500 (R231)

Strong V8 performance with 455 hp and 700 Nm
Quick 0–100 km/h in 4.6 s for confident passing
Two-seat layout focused on premium comfort for long drives
350 L trunk supports weekend or road‑trip packing
Only two seats; not family‑friendly
Less suited to stop‑and‑go city driving
Limited cargo flexibility despite 350 L capacity
High purchase price and V8 running costs

Verdict

Pick BMW Z4 sDrive30i if…

Best fuel economy

BMW Z4 sDrive30i uses 6.8 L/100km vs 9.6 — a meaningful saving if you cover high mileage.

Pick Mercedes-Benz SL 500 (R231) if…

More power

Mercedes-Benz SL 500 (R231) puts out 455 hp vs 258 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

BMW Z4 sDrive30i

Mercedes-Benz SL 500 (R231)

Verdict

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