2003 Opel Vectra vs. 2007 Toyota Sienna
To start off, 2007 Toyota Sienna is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 3,456 cc (6 cylinders), 2007 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2007 Toyota Sienna (266 HP @ 6200 RPM) has 92 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2007 Toyota Sienna should accelerate faster than 2003 Opel Vectra.
Because 2007 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 38 more torque (in Nm) than 2007 Toyota Sienna. (332 Nm @ 4700 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Toyota Sienna.
Compare all specifications:
| 2003 Opel Vectra | 2007 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Vectra | Sienna |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 266 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 370 Nm | 332 Nm |
| Torque RPM | 1900 RPM | 4700 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4830 mm | 5110 mm |
| Vehicle Width | 1800 mm | 1970 mm |
| Vehicle Height | 1510 mm | 1760 mm |
| Wheelbase Size | 2840 mm | 3040 mm |
| Fuel Consumption | 5.8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 11 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 7.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
