2008 Acura RDX 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 Acura RDX. In addition, the cost of maintenance, including insurance, on 2008 Acura RDX would be higher. At 3,456 cc (6 cylinders), 2009 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2009 Toyota Sienna (266 HP @ 6200 RPM) has 26 more horse power than 2008 Acura RDX. (240 HP @ 4500 RPM) In normal driving conditions, 2009 Toyota Sienna should accelerate faster than 2008 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Acura RDX weights approximately 120 kg more than 2009 Toyota Sienna.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2008 Acura RDX 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, 2008 Acura RDX (353 Nm @ 4500 RPM) has 21 more torque (in Nm) than 2009 Toyota Sienna. (332 Nm @ 4700 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2009 Toyota Sienna.
Compare all specifications:
| 2008 Acura RDX | 2009 Toyota Sienna | |
| Make | Acura | Toyota |
| Model | RDX | Sienna |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 3456 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 240 HP | 266 HP |
| Engine RPM | 4500 RPM | 6200 RPM |
| Torque | 353 Nm | 332 Nm |
| Torque RPM | 4500 RPM | 4700 RPM |
| Engine Compression Ratio | 8.8:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1330 kg |
| Vehicle Length | 4600 mm | 5110 mm |
| Vehicle Width | 1880 mm | 1970 mm |
| Vehicle Height | 1660 mm | 1760 mm |
| Wheelbase Size | 2660 mm | 3040 mm |
| Fuel Consumption City | 13.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 68 L | 76 L |
