1991 Oldsmobile Achieva vs. 2003 Opel Omega
To start off, 2003 Opel Omega is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Oldsmobile Achieva. In addition, the cost of maintenance, including insurance, on 1991 Oldsmobile Achieva would be higher. At 3,133 cc (6 cylinders), 1991 Oldsmobile Achieva is equipped with a bigger engine. In terms of performance, 1991 Oldsmobile Achieva (150 HP @ 4800 RPM) has 7 more horse power than 2003 Opel Omega. (143 HP @ 5400 RPM). In normal driving conditions, 1991 Oldsmobile Achieva should accelerate faster than 2003 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Omega weights approximately 423 kg more than 1991 Oldsmobile Achieva.
Because 2003 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 2003 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1991 Oldsmobile Achieva, 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 Oldsmobile Achieva (249 Nm @ 3200 RPM) has 40 more torque (in Nm) than 2003 Opel Omega. (209 Nm @ 4000 RPM). This means 1991 Oldsmobile Achieva will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Omega. 1991 Oldsmobile Achieva has automatic transmission and 2003 Opel Omega has manual transmission. 2003 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Oldsmobile Achieva will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Oldsmobile Achieva | 2003 Opel Omega | |
| Make | Oldsmobile | Opel |
| Model | Achieva | Omega |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3133 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 150 HP | 143 HP |
| Engine RPM | 4800 RPM | 5400 RPM |
| Torque | 249 Nm | 209 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1733 kg |
| Vehicle Length | 4780 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1780 mm |
