BMW Z4 sDrive30i
Convertible · Gasoline · RWD
vs
Mercedes-Benz AMG SL
Convertible · Gasoline
BMW Z4 sDrive30i
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
Mercedes-Benz AMG SL
Car B
Mercedes-Benz AMG SL
A performance-focused two-seater that blends premium comfort with serious speed. Very quick acceleration and a 300 km/h top speed suit road trips and spirited drives, but space and efficiency are limited.
2 seatsConvertibleGasoline5-star safety476 hp
Why compared same body typesame powertrainsame seatssecondary usage match

Usage fit

Family 34 / 22
City 41 / 12
Budget / value 58 / 11
Road trip 38 / 50
Performance 44 / 45
Cargo 7 / 3
Practical 27 / 6
Premium 51 / 84
Winter 34 / 30

Scores out of 100. Blue = BMW Z4 sDrive30i · Orange = Mercedes-Benz AMG SL

Specs side-by-side

Spec BMW Z4 sDrive30i Mercedes-Benz AMG SL
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

Mercedes-Benz AMG SL

  • Rapid 0–100 km/h in 3.2 s
  • 300 km/h top speed for serious performance
  • V8 biturbo punch (476 hp, 700 Nm) for effortless passing
  • Strong safety ranking in its class

Verdict

Pick BMW Z4 sDrive30i if…
Best fuel economy
BMW Z4 sDrive30i uses 6.8 L/100km vs 11.2 — a meaningful saving if you cover high mileage.
Pick Mercedes-Benz AMG SL if…
More power
Mercedes-Benz AMG SL puts out 476 hp vs 258 — meaningfully quicker and more confident on motorways.

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