2003 Opel Omega vs. 2005 Toyota Sienna
To start off, 2005 Toyota Sienna is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Omega. In addition, the cost of maintenance, including insurance, on 2003 Opel Omega would be higher. At 2,999 cc (6 cylinders), 2005 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2005 Toyota Sienna (197 HP @ 5200 RPM) has 55 more horse power than 2003 Opel Omega. (142 HP @ 5400 RPM) In normal driving conditions, 2005 Toyota Sienna should accelerate faster than 2003 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 40 kg more than 2003 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2005 Toyota Sienna, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Toyota Sienna (295 Nm @ 4300 RPM) has 86 more torque (in Nm) than 2003 Opel Omega. (209 Nm @ 4000 RPM). This means 2005 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Omega. 2005 Toyota Sienna has automatic transmission and 2003 Opel Omega has manual transmission. 2003 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Omega | 2005 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Omega | Sienna |
| Year Released | 2003 | 2005 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 2999 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 197 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 209 Nm | 295 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 94.6 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1665 kg | 1705 kg |
| Vehicle Length | 4900 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1870 mm |
| Vehicle Height | 1510 mm | 1720 mm |
| Wheelbase Size | 2740 mm | 2910 mm |
