1990 Opel Omega vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1990 Opel Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Omega would be higher. At 5,300 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (315 HP @ 5200 RPM) has 200 more horse power than 1990 Opel Omega. (115 HP @ 5200 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1012 kg more than 1990 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 GMC Sierra (454 Nm @ 4000 RPM) has 285 more torque (in Nm) than 1990 Opel Omega. (169 Nm @ 2600 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega. 2011 GMC Sierra has automatic transmission and 1990 Opel Omega has manual transmission. 1990 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Opel Omega | 2011 GMC Sierra | |
| Make | Opel | GMC |
| Model | Omega | Sierra |
| Year Released | 1990 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5300 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 315 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 169 Nm | 454 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Vehicle Weight | 1299 kg | 2311 kg |
| Vehicle Length | 4770 mm | 5847 mm |
| Vehicle Width | 1770 mm | 2032 mm |
| Vehicle Height | 1490 mm | 1875 mm |
| Wheelbase Size | 2740 mm | 3645 mm |
| Fuel Tank Capacity | 70 L | 98 L |
