2003 Toyota Sienna vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 2003 Toyota Sienna would be higher. At 2,997 cc (6 cylinders), 2003 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2003 Toyota Sienna (173 HP @ 5400 RPM) has 23 more horse power than 2011 Lexus IS. (150 HP @ 3600 RPM). In normal driving conditions, 2003 Toyota Sienna should accelerate faster than 2011 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Toyota Sienna weights approximately 160 kg more than 2011 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Lexus IS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 2003 Toyota Sienna, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Lexus IS (340 Nm @ 2000 RPM) has 46 more torque (in Nm) than 2003 Toyota Sienna. (294 Nm @ 4300 RPM). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Sienna.
Compare all specifications:
| 2003 Toyota Sienna | 2011 Lexus IS | |
| Make | Toyota | Lexus |
| Model | Sienna | IS |
| Year Released | 2003 | 2011 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 2231 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 150 HP |
| Engine RPM | 5400 RPM | 3600 RPM |
| Torque | 294 Nm | 340 Nm |
| Torque RPM | 4300 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1705 kg | 1545 kg |
| Vehicle Length | 4920 mm | 4585 mm |
| Vehicle Width | 1870 mm | 1801 mm |
| Vehicle Height | 1720 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2731 mm |
