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 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 180 more horse power than 1990 Opel Omega. (115 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 1124 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.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1990 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra 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 GMC Sierra (454 Nm) has 285 more torque (in Nm) than 1990 Opel Omega. (169 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 | 5359 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 295 HP | 115 HP |
| Torque | 454 Nm | 169 Nm |
| Engine Compression Ratio | 9.5:1 | 9.2:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2423 kg | 1299 kg |
| Vehicle Length | 6330 mm | 4770 mm |
| Vehicle Width | 2000 mm | 1770 mm |
| Vehicle Height | 1880 mm | 1490 mm |
| Wheelbase Size | 4010 mm | 2740 mm |
| Fuel Tank Capacity | 129 L | 70 L |
