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 49 more horse power than 2006 Toyota Avensis. (161 HP @ 5800 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 330 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 55 more torque (in Nm) than 2006 Toyota Avensis. (230 Nm @ 3800 RPM). This means 1999 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2006 Toyota Avensis.
Compare all specifications:
| 1999 Toyota Sienna | 2006 Toyota Avensis | |
| Make | Toyota | Toyota |
| Model | Sienna | Avensis |
| Year Released | 1999 | 2006 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 2362 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 161 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 285 Nm | 230 Nm |
| Torque RPM | 4300 RPM | 3800 RPM |
| Engine Bore Size | 87.5 mm | 88.6 mm |
| Engine Stroke Size | 83 mm | 96 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1705 kg | 1375 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 |
