1999 Toyota Sienna vs. 2006 Toyota Avensis
To start off, 2006 Toyota Avensis 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 96 more horse power than 2006 Toyota Avensis. (114 HP @ 3600 RPM). In normal driving conditions, 1999 Toyota Sienna should accelerate faster than 2006 Toyota Avensis. With that said, vehicle weight also plays an important factor in acceleration. 1999 Toyota Sienna weights approximately 230 kg more than 2006 Toyota Avensis. 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 5 more torque (in Nm) than 2006 Toyota Avensis. (280 Nm @ 2000 RPM). This means 1999 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2006 Toyota Avensis. 1999 Toyota Sienna has automatic transmission and 2006 Toyota Avensis has manual transmission. 2006 Toyota Avensis 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:
| 1999 Toyota Sienna | 2006 Toyota Avensis | |
| Make | Toyota | Toyota |
| Model | Sienna | Avensis |
| Year Released | 1999 | 2006 |
| Body Type | Minivan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 114 HP |
| Engine RPM | 5200 RPM | 3600 RPM |
| Torque | 285 Nm | 280 Nm |
| Torque RPM | 4300 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 82.2 mm |
| Engine Stroke Size | 83 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 17.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1705 kg | 1475 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1770 mm |
| Vehicle Height | 1720 mm | 1490 mm |
| Wheelbase Size | 2910 mm | 2710 mm |
