2005 BMW 730 vs. 1997 Mercedes-Benz SL
To start off, 2005 BMW 730 is newer by 8 year(s). Which means there will be less support and parts availability for 1997 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1997 Mercedes-Benz SL would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 35 more horse power than 1997 Mercedes-Benz SL. (190 HP @ 5500 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1997 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 215 kg more than 1997 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 BMW 730 (500 Nm @ 2000 RPM) has 230 more torque (in Nm) than 1997 Mercedes-Benz SL. (270 Nm @ 3750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1997 Mercedes-Benz SL.
Compare all specifications:
| 2005 BMW 730 | 1997 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | SL |
| Year Released | 2005 | 1997 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2799 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 190 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 500 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 3750 RPM |
| Engine Bore Size | 84.1 mm | 89.9 mm |
| Engine Stroke Size | 90 mm | 73.5 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1975 kg | 1760 kg |
| Vehicle Length | 5050 mm | 4470 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2520 mm |
| Fuel Tank Capacity | 88 L | 80 L |
