2004 BMW Z4 vs. 2013 Toyota Sienna
To start off, 2013 Toyota Sienna is newer by 9 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 3,500 cc (6 cylinders), 2013 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2013 Toyota Sienna (262 HP @ 6200 RPM) has 94 more horse power than 2004 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2013 Toyota Sienna should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Toyota Sienna weights approximately 790 kg more than 2004 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Toyota Sienna is all wheel drive (AWD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 Toyota Sienna (332 Nm @ 4700 RPM) has 122 more torque (in Nm) than 2004 BMW Z4. (210 Nm @ 3500 RPM). This means 2013 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 2013 Toyota Sienna has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW Z4 | 2013 Toyota Sienna | |
| Make | BMW | Toyota |
| Model | Z4 | Sienna |
| Year Released | 2004 | 2013 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 262 HP |
| Engine RPM | 6250 RPM | 6200 RPM |
| Torque | 210 Nm | 332 Nm |
| Torque RPM | 3500 RPM | 4700 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 2115 kg |
| Vehicle Length | 4100 mm | 5085 mm |
| Vehicle Width | 1790 mm | 1985 mm |
| Vehicle Height | 1310 mm | 1811 mm |
| Wheelbase Size | 2500 mm | 3030 mm |
| Fuel Tank Capacity | 55 L | 79 L |
