1999 Opel Omega vs. 2005 Toyota Sienna
To start off, 2005 Toyota Sienna is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 3,298 cc (6 cylinders), 2005 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2005 Toyota Sienna (230 HP @ 5300 RPM) has 99 more horse power than 1999 Opel Omega. (131 HP @ 4500 RPM) In normal driving conditions, 2005 Toyota Sienna should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 305 kg more than 1999 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Toyota Sienna (328 Nm) has 93 more torque (in Nm) than 1999 Opel Omega. (235 Nm). This means 2005 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega. 2005 Toyota Sienna has automatic transmission and 1999 Opel Omega has manual transmission. 1999 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:
| 1999 Opel Omega | 2005 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Omega | Sienna |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3298 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 131 HP | 230 HP |
| Engine RPM | 4500 RPM | 5300 RPM |
| Torque | 235 Nm | 328 Nm |
| Engine Bore Size | 80 mm | 92.1 mm |
| Engine Stroke Size | 82.8 mm | 83 mm |
| Engine Compression Ratio | 22.5:1 | 10.8:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1675 kg | 1980 kg |
| Vehicle Length | 4900 mm | 5090 mm |
| Vehicle Width | 1780 mm | 1970 mm |
| Vehicle Height | 1460 mm | 1760 mm |
| Wheelbase Size | 2840 mm | 3040 mm |
| Fuel Tank Capacity | 75 L | 76 L |
