2006 BMW 645 vs. 2005 Toyota Sienna
To start off, 2006 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 2005 Toyota Sienna 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 98 more horse power than 2005 Toyota Sienna. (230 HP @ 5200 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2005 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 131 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, 2005 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) has 125 more torque (in Nm) than 2005 Toyota Sienna. (325 Nm). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Toyota Sienna.
Compare all specifications:
| 2006 BMW 645 | 2005 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | 645 | Sienna |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3298 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 230 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 325 Nm |
| Engine Compression Ratio | 10.0:1 | 10.8:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 1941 kg |
| Vehicle Length | 4830 mm | 5090 mm |
| Vehicle Width | 1860 mm | 1970 mm |
| Vehicle Height | 1380 mm | 1760 mm |
| Wheelbase Size | 2790 mm | 3040 mm |
| Fuel Consumption Overall | 13.3 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
