1991 Oldsmobile Achieva vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 16 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 1 more horse power than 2007 Opel Vectra. (149 HP @ 4000 RPM). In normal driving conditions, 1991 Oldsmobile Achieva should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 225 kg more than 1991 Oldsmobile Achieva.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2007 Opel Vectra (315 Nm @ 2000 RPM) has 66 more torque (in Nm) than 1991 Oldsmobile Achieva. (249 Nm @ 3200 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Oldsmobile Achieva. 1991 Oldsmobile Achieva has automatic transmission and 2007 Opel Vectra has manual transmission. 2007 Opel Vectra 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 | 2007 Opel Vectra | |
| Make | Oldsmobile | Opel |
| Model | Achieva | Vectra |
| Year Released | 1991 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3133 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 150 HP | 149 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 249 Nm | 315 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1535 kg |
| Vehicle Length | 4780 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
