2004 GMC Sierra vs. 2002 Opel Omega
To start off, 2004 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Opel Omega. In addition, the cost of maintenance, including insurance, on 2002 Opel Omega would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 152 more horse power than 2002 Opel Omega. (148 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2002 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1070 kg more than 2002 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 GMC Sierra (489 Nm) has 189 more torque (in Nm) than 2002 Opel Omega. (300 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Omega.
Compare all specifications:
| 2004 GMC Sierra | 2002 Opel Omega | |
| Make | GMC | Opel |
| Model | Sierra | Omega |
| Year Released | 2004 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 148 HP |
| Torque | 489 Nm | 300 Nm |
| Engine Bore Size | 102 mm | 80.1 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2730 kg | 1660 kg |
| Vehicle Length | 6030 mm | 4900 mm |
| Vehicle Width | 2030 mm | 1790 mm |
| Vehicle Height | 1940 mm | 1510 mm |
| Wheelbase Size | 4250 mm | 2740 mm |
| Fuel Tank Capacity | 129 L | 75 L |
