2006 BMW 645 vs. 2012 Toyota Sienna
To start off, 2012 Toyota Sienna is newer by 6 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 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 62 more horse power than 2012 Toyota Sienna. (266 HP @ 6200 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2012 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2012 Toyota Sienna weights approximately 214 kg more than 2006 BMW 645.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2012 Toyota Sienna, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 118 more torque (in Nm) than 2012 Toyota Sienna. (332 Nm @ 4700 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 Toyota Sienna. 2012 Toyota Sienna has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 2012 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | 645 | Sienna |
| Year Released | 2006 | 2012 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 266 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 450 Nm | 332 Nm |
| Torque RPM | 3600 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1836 kg | 2050 kg |
| Vehicle Length | 4830 mm | 5085 mm |
| Vehicle Width | 1860 mm | 1984 mm |
| Vehicle Height | 1380 mm | 1796 mm |
| Wheelbase Size | 2790 mm | 3030 mm |
| Fuel Tank Capacity | 70 L | 76 L |
