1991 Holden Commodore vs. 2005 Opel Omega
To start off, 2005 Opel Omega is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1991 Holden Commodore would be higher. At 3,791 cc (6 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 2005 Opel Omega (178 HP @ 3400 RPM) has 6 more horse power than 1991 Holden Commodore. (172 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Omega should accelerate faster than 1991 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 290 kg more than 1991 Holden Commodore. 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, 1991 Holden Commodore (288 Nm @ 3200 RPM) has 48 more torque (in Nm) than 2005 Opel Omega. (240 Nm @ 3400 RPM). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega. 2005 Opel Omega has automatic transmission and 1991 Holden Commodore has manual transmission. 1991 Holden Commodore will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Holden Commodore | 2005 Opel Omega | |
| Make | Holden | Opel |
| Model | Commodore | Omega |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 172 HP | 178 HP |
| Engine RPM | 4800 RPM | 3400 RPM |
| Torque | 288 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1685 kg |
| Vehicle Length | 4900 mm | 4900 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2740 mm | 2520 mm |
