2005 BMW 730 vs. 2005 Mercedes-Benz S
To start off, both 2005 BMW 730 and 2005 Mercedes-Benz S were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP @ 4200 RPM) has 239 more horse power than 2005 BMW 730. (254 HP @ 6600 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 15 kg more than 2005 BMW 730. 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 Mercedes-Benz S (700 Nm @ 2750 RPM) has 400 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 2500 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2005 BMW 730 | 2005 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | S |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 254 HP | 493 HP |
| Engine RPM | 6600 RPM | 4200 RPM |
| Torque | 300 Nm | 700 Nm |
| Torque RPM | 2500 RPM | 2750 RPM |
| Engine Bore Size | 85 mm | 97 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1935 kg | 1950 kg |
| Vehicle Length | 5040 mm | 5170 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 3090 mm |
| Fuel Consumption | 7.5 L/100km | 10.7 L/100km |
| Fuel Consumption City | 14.6 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 88 L | 88 L |
