2007 BMW Z4 vs. 2005 Toyota Sienna
To start off, 2007 BMW Z4 is newer by 2 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 3,298 cc (6 cylinders), 2005 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 108 more horse power than 2005 Toyota Sienna. (230 HP @ 5300 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2005 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 384 kg more than 2007 BMW Z4.
Because 2007 BMW Z4 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 2007 BMW Z4. 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, 2007 BMW Z4 (365 Nm) has 21 more torque (in Nm) than 2005 Toyota Sienna. (344 Nm). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Toyota Sienna. 2005 Toyota Sienna has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2005 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | Z4 | Sienna |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 3298 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 338 HP | 230 HP |
| Engine RPM | 7900 RPM | 5300 RPM |
| Torque | 365 Nm | 344 Nm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1869 kg |
| Vehicle Length | 4120 mm | 5090 mm |
| Vehicle Width | 1310 mm | 1970 mm |
| Vehicle Height | 1790 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 3040 mm |
| Fuel Consumption Overall | 12.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
