1991 BMW 518 vs. 2001 Opel Omega
To start off, 2001 Opel Omega is newer by 10 year(s). Which means there will be less support and parts availability for 1991 BMW 518. In addition, the cost of maintenance, including insurance, on 1991 BMW 518 would be higher. At 2,198 cc (4 cylinders), 2001 Opel Omega is equipped with a bigger engine. In terms of performance, 2001 Opel Omega (142 HP @ 5400 RPM) has 28 more horse power than 1991 BMW 518. (114 HP @ 5500 RPM) In normal driving conditions, 2001 Opel Omega should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Omega weights approximately 574 kg more than 1991 BMW 518. 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, 2001 Opel Omega (209 Nm @ 4000 RPM) has 44 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2001 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518.
Compare all specifications:
| 1991 BMW 518 | 2001 Opel Omega | |
| Make | BMW | Opel |
| Model | 518 | Omega |
| Year Released | 1991 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 142 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 165 Nm | 209 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 81 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1734 kg |
| Vehicle Length | 4730 mm | 4900 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
