2006 BMW 645 vs. 2013 Bentley Mulsane
To start off, 2013 Bentley Mulsane is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 6,752 cc (8 cylinders), 2013 Bentley Mulsane is equipped with a bigger engine. In terms of performance, 2013 Bentley Mulsane (505 HP @ 4200 RPM) has 177 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2013 Bentley Mulsane should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2013 Bentley Mulsane weights approximately 775 kg more than 2006 BMW 645. 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, 2013 Bentley Mulsane (1,020 Nm @ 1750 RPM) has 570 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2013 Bentley Mulsane will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2013 Bentley Mulsane | |
| Make | BMW | Bentley |
| Model | 645 | Mulsane |
| Year Released | 2006 | 2013 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 6752 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 505 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 450 Nm | 1020 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline | Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 2585 kg |
| Vehicle Length | 4830 mm | 5575 mm |
| Vehicle Width | 1860 mm | 2208 mm |
| Vehicle Height | 1380 mm | 1521 mm |
| Wheelbase Size | 2790 mm | 3266 mm |
| Fuel Tank Capacity | 70 L | 96 L |
