2005 GMC Sierra vs. 1990 Opel Omega
To start off, 2005 GMC Sierra is newer by 15 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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 211 more horse power than 1990 Opel Omega. (89 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1363 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, 2005 GMC Sierra (489 Nm) has 338 more torque (in Nm) than 1990 Opel Omega. (151 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 2005 GMC Sierra | 1990 Opel Omega | |
| Make | GMC | Opel |
| Model | Sierra | Omega |
| Year Released | 2005 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 89 HP |
| Torque | 489 Nm | 151 Nm |
| Engine Bore Size | 102 mm | 84.8 mm |
| Engine Stroke Size | 92 mm | 79.5 mm |
| Drive Type | Rear | Rear |
| Vehicle Weight | 2569 kg | 1206 kg |
| Vehicle Length | 6270 mm | 4740 mm |
| Vehicle Width | 2030 mm | 1780 mm |
| Vehicle Height | 1940 mm | 1490 mm |
| Wheelbase Size | 4010 mm | 2740 mm |
