2006 Chevrolet Impala vs. 2011 Toyota Sienna
To start off, 2011 Toyota Sienna is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2006 Chevrolet Impala would be higher. At 3,500 cc (6 cylinders), 2011 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2011 Toyota Sienna (266 HP @ 6200 RPM) has 66 more horse power than 2006 Chevrolet Impala. (200 HP @ 5900 RPM) In normal driving conditions, 2011 Toyota Sienna should accelerate faster than 2006 Chevrolet Impala.
Because 2011 Toyota Sienna is all wheel drive (AWD), it will have significant more traction and grip than 2006 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2011 Toyota Sienna will offer significantly more control. 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 Toyota Sienna (332 Nm @ 4700 RPM) has 34 more torque (in Nm) than 2006 Chevrolet Impala. (298 Nm @ 4000 RPM). This means 2011 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Impala.
Compare all specifications:
| 2006 Chevrolet Impala | 2011 Toyota Sienna | |
| Make | Chevrolet | Toyota |
| Model | Impala | Sienna |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 266 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 298 Nm | 332 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5100 mm | 5085 mm |
| Vehicle Width | 1860 mm | 1984 mm |
| Vehicle Height | 1500 mm | 1811 mm |
| Wheelbase Size | 2810 mm | 3030 mm |
| Fuel Tank Capacity | 64 L | 76 L |
