1999 Opel Omega vs. 1999 Toyota Sienna
To start off, both 1999 Opel Omega and 1999 Toyota Sienna were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,663 cc (8 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (311 HP @ 5600 RPM) has 101 more horse power than 1999 Toyota Sienna. (210 HP @ 5200 RPM). In normal driving conditions, 1999 Opel Omega should accelerate faster than 1999 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 1999 Toyota Sienna weights approximately 55 kg more than 1999 Opel Omega.
Because 1999 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 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Omega (459 Nm @ 4400 RPM) has 174 more torque (in Nm) than 1999 Toyota Sienna. (285 Nm @ 4300 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1999 Toyota Sienna.
Compare all specifications:
| 1999 Opel Omega | 1999 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Omega | Sienna |
| Year Released | 1999 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5663 cc | 3001 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 311 HP | 210 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 459 Nm | 285 Nm |
| Torque RPM | 4400 RPM | 4300 RPM |
| Engine Bore Size | 99 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1650 kg | 1705 kg |
| Vehicle Length | 4900 mm | 4920 mm |
| Vehicle Width | 1790 mm | 1870 mm |
| Vehicle Height | 1460 mm | 1720 mm |
| Wheelbase Size | 2740 mm | 2910 mm |
