2005 GMC Sierra vs. 1999 Opel Omega
To start off, 2005 GMC Sierra 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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 170 more horse power than 1999 Opel Omega. (130 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1113 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.
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 (488 Nm) has 238 more torque (in Nm) than 1999 Opel Omega. (250 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 2005 GMC Sierra | 1999 Opel Omega | |
| Make | GMC | Opel |
| Model | Sierra | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 130 HP |
| Torque | 488 Nm | 250 Nm |
| Engine Compression Ratio | 9.4:1 | 22.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Weight | 2788 kg | 1675 kg |
| Vehicle Length | 6270 mm | 4900 mm |
| Vehicle Width | 2450 mm | 1790 mm |
| Vehicle Height | 1940 mm | 1460 mm |
| Wheelbase Size | 4010 mm | 2740 mm |
