2008 Pontiac Grand Prix vs. 2009 Toyota Sienna
To start off, 2009 Toyota Sienna is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2008 Pontiac Grand Prix would be higher. At 3,790 cc (6 cylinders), 2008 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2009 Toyota Sienna (266 HP) has 66 more horse power than 2008 Pontiac Grand Prix. (200 HP) In normal driving conditions, 2009 Toyota Sienna should accelerate faster than 2008 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2009 Toyota Sienna weights approximately 583 kg more than 2008 Pontiac Grand Prix. 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, 2009 Toyota Sienna (333 Nm @ 4700 RPM) has 21 more torque (in Nm) than 2008 Pontiac Grand Prix. (312 Nm @ 4000 RPM). This means 2009 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2008 Pontiac Grand Prix.
Compare all specifications:
| 2008 Pontiac Grand Prix | 2009 Toyota Sienna | |
| Make | Pontiac | Toyota |
| Model | Grand Prix | Sienna |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 266 HP |
| Torque | 312 Nm | 333 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1352 kg | 1935 kg |
| Vehicle Length | 5040 mm | 5110 mm |
| Vehicle Width | 1830 mm | 1970 mm |
| Vehicle Height | 1430 mm | 1760 mm |
| Wheelbase Size | 2810 mm | 3040 mm |
| Fuel Consumption | 8.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 64 L | 76 L |
