2006 Opel Astra vs. 1999 Toyota Sienna
To start off, 2006 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1999 Toyota Sienna would be higher. At 3,001 cc (6 cylinders), 1999 Toyota Sienna is equipped with a bigger engine. In terms of performance, 1999 Toyota Sienna (210 HP @ 5200 RPM) has 121 more horse power than 2006 Opel Astra. (89 HP @ 4000 RPM) In normal driving conditions, 1999 Toyota Sienna should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Toyota Sienna weights approximately 375 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1999 Toyota Sienna (285 Nm @ 4300 RPM) has 84 more torque (in Nm) than 2006 Opel Astra. (201 Nm @ 1750 RPM). This means 1999 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 1999 Toyota Sienna has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Astra | 1999 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Astra | Sienna |
| Year Released | 2006 | 1999 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1248 cc | 3001 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 210 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 201 Nm | 285 Nm |
| Torque RPM | 1750 RPM | 4300 RPM |
| Engine Bore Size | 69.6 mm | 87.5 mm |
| Engine Stroke Size | 82 mm | 83 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1330 kg | 1705 kg |
| Vehicle Length | 4300 mm | 4920 mm |
| Vehicle Width | 1760 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1720 mm |
| Wheelbase Size | 2620 mm | 2910 mm |
