2004 Opel Astra vs. 2006 Toyota Sienna
To start off, 2006 Toyota Sienna is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 3,308 cc (6 cylinders), 2006 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2006 Toyota Sienna (215 HP @ 5600 RPM) has 18 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM) In normal driving conditions, 2006 Toyota Sienna should accelerate faster than 2004 Opel Astra.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Toyota Sienna (301 Nm @ 3600 RPM) has 39 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2006 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2006 Toyota Sienna has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2006 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Astra | Sienna |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3308 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 215 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 262 Nm | 301 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Engine Bore Size | 86.1 mm | 92 mm |
| Engine Stroke Size | 86 mm | 83 mm |
| Engine Compression Ratio | 8.8:1 | 10.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4520 mm | 5090 mm |
| Vehicle Width | 1800 mm | 1970 mm |
| Vehicle Height | 1510 mm | 1760 mm |
| Wheelbase Size | 2640 mm | 3040 mm |
| Fuel Tank Capacity | 52 L | 76 L |
