2005 Mercedes-Benz S vs. 1991 Opel Omega
To start off, 2005 Mercedes-Benz S 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 4,966 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (302 HP @ 4200 RPM) has 192 more horse power than 1991 Opel Omega. (110 HP @ 5200 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 1991 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 561 kg more than 1991 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, 2005 Mercedes-Benz S (460 Nm @ 2700 RPM) has 298 more torque (in Nm) than 1991 Opel Omega. (162 Nm @ 4600 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Omega.
Compare all specifications:
| 2005 Mercedes-Benz S | 1991 Opel Omega | |
| Make | Mercedes-Benz | Opel |
| Model | S | Omega |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 110 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 460 Nm | 162 Nm |
| Torque RPM | 2700 RPM | 4600 RPM |
| Engine Bore Size | 97 mm | 95 mm |
| Engine Stroke Size | 84 mm | 69.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1891 kg | 1330 kg |
| Vehicle Length | 5170 mm | 4740 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1490 mm |
| Wheelbase Size | 2970 mm | 2740 mm |
| Fuel Tank Capacity | 88 L | 70 L |
