2005 BMW 645 vs. 2010 Mercedes-Benz S
To start off, 2010 Mercedes-Benz S is newer by 5 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 31 more horse power than 2010 Mercedes-Benz S. (295 HP @ 6000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2010 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz S weights approximately 96 kg more than 2005 BMW 645.
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 645 (447 Nm @ 3600 RPM) has 62 more torque (in Nm) than 2010 Mercedes-Benz S. (385 Nm @ 2800 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2010 Mercedes-Benz S. 2010 Mercedes-Benz S has automatic transmission and 2005 BMW 645 has manual transmission. 2005 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 645 | 2010 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | S |
| Year Released | 2005 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 326 HP | 295 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 447 Nm | 385 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1991 kg |
| Vehicle Length | 4830 mm | 5245 mm |
| Vehicle Width | 1860 mm | 1872 mm |
| Vehicle Height | 1380 mm | 1473 mm |
| Wheelbase Size | 2890 mm | 3165 mm |
| Fuel Consumption Highway | 10.2 L/100km | 9.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
