1999 Opel Omega vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 14 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 5,300 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (322 HP @ 5300 RPM) has 192 more horse power than 1999 Opel Omega. (130 HP @ 4500 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1455 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, 2013 GMC Sierra (472 Nm @ 4400 RPM) has 222 more torque (in Nm) than 1999 Opel Omega. (250 Nm @ 2200 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 2013 GMC Sierra | |
| Make | Opel | GMC |
| Model | Omega | Sierra |
| Year Released | 1999 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5300 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 322 HP |
| Engine RPM | 4500 RPM | 5300 RPM |
| Torque | 250 Nm | 472 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Engine Bore Size | 80 mm | 96 mm |
| Engine Stroke Size | 82.8 mm | 92 mm |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 855 kg | 2310 kg |
| Vehicle Length | 4900 mm | 5847 mm |
| Vehicle Width | 1780 mm | 2031 mm |
| Vehicle Height | 1460 mm | 1877 mm |
| Wheelbase Size | 2640 mm | 3645 mm |
| Fuel Tank Capacity | 75 L | 98 L |
