2008 BMW Z4 vs. 2005 Toyota Sienna
To start off, 2008 BMW Z4 is newer by 3 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, 2005 Toyota Sienna (230 HP @ 5300 RPM) has 15 more horse power than 2008 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2005 Toyota Sienna should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 690 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 Toyota Sienna will offer significantly more control. 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 Toyota Sienna (328 Nm) has 78 more torque (in Nm) than 2008 BMW Z4. (250 Nm). This means 2005 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2005 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | Z4 | Sienna |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3298 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 230 HP |
| Engine RPM | 6500 RPM | 5300 RPM |
| Torque | 250 Nm | 328 Nm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1980 kg |
| Vehicle Length | 4100 mm | 5090 mm |
| Vehicle Width | 1790 mm | 1970 mm |
| Vehicle Height | 1310 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 3040 mm |
| Fuel Consumption Overall | 9.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 76 L |
