2004 Opel Omega vs. 2008 Toyota Sienna
To start off, 2008 Toyota Sienna is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Omega. In addition, the cost of maintenance, including insurance, on 2004 Opel Omega would be higher. At 3,456 cc (6 cylinders), 2008 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2008 Toyota Sienna (266 HP @ 6200 RPM) has 124 more horse power than 2004 Opel Omega. (142 HP @ 5400 RPM) In normal driving conditions, 2008 Toyota Sienna should accelerate faster than 2004 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2008 Toyota Sienna weights approximately 916 kg more than 2004 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Toyota Sienna (332 Nm @ 4700 RPM) has 123 more torque (in Nm) than 2004 Opel Omega. (209 Nm @ 4000 RPM). This means 2008 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Omega. 2008 Toyota Sienna has automatic transmission and 2004 Opel Omega has manual transmission. 2004 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Omega | 2008 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Omega | Sienna |
| Year Released | 2004 | 2008 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 3456 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 266 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 209 Nm | 332 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1665 kg | 2581 kg |
| Vehicle Length | 4900 mm | 5110 mm |
| Vehicle Width | 1790 mm | 1970 mm |
| Vehicle Height | 1510 mm | 1760 mm |
| Wheelbase Size | 2740 mm | 3040 mm |
| Fuel Tank Capacity | 75 L | 76 L |
