1991 Opel Omega vs. 2005 Proton 400
To start off, 2005 Proton 400 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega would be higher. At 1,998 cc (4 cylinders), 1991 Opel Omega is equipped with a bigger engine. In terms of performance, 1991 Opel Omega (110 HP @ 5200 RPM) has 36 more horse power than 2005 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 1991 Opel Omega should accelerate faster than 2005 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Omega weights approximately 340 kg more than 2005 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2005 Proton 400, being front wheel drive (FWD), will offer much better control with better grip. 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, 1991 Opel Omega (162 Nm @ 4600 RPM) has 54 more torque (in Nm) than 2005 Proton 400. (108 Nm @ 3000 RPM). This means 1991 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton 400.
Compare all specifications:
| 1991 Opel Omega | 2005 Proton 400 | |
| Make | Opel | Proton |
| Model | Omega | 400 |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1299 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 74 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 162 Nm | 108 Nm |
| Torque RPM | 4600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1330 kg | 990 kg |
| Vehicle Length | 4740 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1490 mm | 1390 mm |
| Wheelbase Size | 2740 mm | 2510 mm |
