2007 Toyota Quantum vs. 2009 Toyota Sienna
To start off, 2009 Toyota Sienna is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Toyota Quantum. In addition, the cost of maintenance, including insurance, on 2007 Toyota Quantum would be higher. At 3,455 cc (6 cylinders), 2009 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2009 Toyota Sienna (266 HP @ 6200 RPM) has 117 more horse power than 2007 Toyota Quantum. (149 HP @ 4800 RPM) In normal driving conditions, 2009 Toyota Sienna should accelerate faster than 2007 Toyota Quantum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Toyota Quantum weights approximately 100 kg more than 2009 Toyota Sienna.
Because 2009 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2007 Toyota Quantum. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Toyota Sienna (332 Nm @ 4700 RPM) has 91 more torque (in Nm) than 2007 Toyota Quantum. (241 Nm @ 3800 RPM). This means 2009 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2007 Toyota Quantum. 2009 Toyota Sienna has automatic transmission and 2007 Toyota Quantum has manual transmission. 2007 Toyota Quantum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Toyota Quantum | 2009 Toyota Sienna | |
| Make | Toyota | Toyota |
| Model | Quantum | Sienna |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2694 cc | 3455 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 266 HP |
| Engine RPM | 4800 RPM | 6200 RPM |
| Torque | 241 Nm | 332 Nm |
| Torque RPM | 3800 RPM | 4700 RPM |
| Engine Compression Ratio | 9.6:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 14 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2035 kg | 1935 kg |
| Vehicle Length | 5390 mm | 5110 mm |
| Vehicle Width | 1890 mm | 1970 mm |
| Vehicle Height | 2290 mm | 1760 mm |
| Wheelbase Size | 3120 mm | 3040 mm |
| Fuel Tank Capacity | 70 L | 76 L |
