2006 BMW Z4 vs. 2008 Toyota Sienna
To start off, 2008 Toyota Sienna is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,456 cc (6 cylinders), 2008 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2008 Toyota Sienna (266 HP @ 6200 RPM) has 11 more horse power than 2006 BMW Z4. (255 HP @ 6600 RPM) In normal driving conditions, 2008 Toyota Sienna should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Toyota Sienna weights approximately 746 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Toyota Sienna (332 Nm @ 4700 RPM) has 34 more torque (in Nm) than 2006 BMW Z4. (298 Nm @ 2750 RPM). This means 2008 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2008 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | Z4 | Sienna |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 266 HP |
| Engine RPM | 6600 RPM | 6200 RPM |
| Torque | 298 Nm | 332 Nm |
| Torque RPM | 2750 RPM | 4700 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1835 kg | 2581 kg |
| Vehicle Length | 4100 mm | 5110 mm |
| Vehicle Width | 1790 mm | 1970 mm |
| Vehicle Height | 1270 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 3040 mm |
| Fuel Consumption | 7.8 L/100km | 11.2 L/100km |
| Fuel Consumption City | 11.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 76 L |
