Mercedes-Benz SL 500 R231 vs BMW M4 Convertible
| Category | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| Engine layout | 4.6 l V8 | 3.0 l R6 |
| Max power (ps / bhp) | 435 / 429 | 431 / 425 |
| Max torque (Nm / lb-ft) | 700 / 516 | 550 / 406 |
| Curb weight (kg / lb) | 1817 / 4006 | 1846 / 4070 |
| Power / tonne (ps / bhp) | 239 / 236 | 233 / 230 |
| Average price | €134,000 | €95,000 |
Lap Times
| Track | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| Hockenheim Short | 1:15.50 | 1:13.50 |
Acceleration
| Speed & distance | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| 0 - 50 kph | 1.9 s | 1.5 s |
| 0 - 80 kph | 3.3 s | 3.3 s |
| 0 - 100 kph | 4.3 s | 4.3 s |
| 0 - 160 kph | 9.5 s | 9.7 s |
| 0 - 180 kph | 11.7 s | 12.2 s |
| 0 - 200 kph | 14.1 s | 14.6 s |
| Est. 1/8 mile | 8.8 s @ 97.6 mph | 8.8 s @ 96.9 mph |
Rolling acceleration
| Speed | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| 80 - 120 kph (4) | 3.5 s | 3.8 s |
| 80 - 120 kph (5) | 5.0 s | 5.1 s |
| 80 - 120 kph (6) | 6.4 s | 6.3 s |
| 80 - 160 kph (4) | 7.3 s | 8.0 s |
| 80 - 160 kph (5) | 10.2 s | 10.6 s |
| 80 - 160 kph (6) | 13.1 s | 13.3 s |
| Est. 100 - 200 kph | 10.1 s | 10.3 s |
General performance
| Category | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| Top speed | 255 kph (158 mph) | 262 kph (163 mph) |
| Est. max acceleration | 0.69 g (7 m/s²) | 0.72 g (7 m/s²) |
| 18m slalom | 66.3 kph (41.2 mph) | 69.0 kph (42.9 mph) |
| Fuel economy | 9.0 l/100 km (26 mpg US / 31 UK) | 11.2 l/100 km (21 mpg US / 25 UK) |
| 100 kph - 0 | 34 m (113 ft) | 34 m (112 ft) |
| 200 kph - 0 | 151 m (494 ft) | 140 m (461 ft) |
Summary
| Category | SL 500 R231 | BMW M4 Convertible |
|---|---|---|
| Track Performance | 92 | 100 |
| Straight line speed | 100 | 100 |
| Overall | 95 | 100 |
Verdict
M4 Convertible is the fastest by a small margin.
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Acceleration graph
