1975 Oldsmobile Ninety-Eight vs. 1991 Porsche 928
To start off, 1991 Porsche 928 is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Oldsmobile Ninety-Eight. In addition, the cost of maintenance, including insurance, on 1975 Oldsmobile Ninety-Eight would be higher. At 5,735 cc (8 cylinders), 1975 Oldsmobile Ninety-Eight is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 185 more horse power than 1975 Oldsmobile Ninety-Eight. (160 HP @ 4000 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1975 Oldsmobile Ninety-Eight. With that said, vehicle weight also plays an important factor in acceleration. 1975 Oldsmobile Ninety-Eight weights approximately 335 kg more than 1991 Porsche 928.
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 Porsche 928 (500 Nm @ 4250 RPM) has 120 more torque (in Nm) than 1975 Oldsmobile Ninety-Eight. (380 Nm @ 2400 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1975 Oldsmobile Ninety-Eight. 1975 Oldsmobile Ninety-Eight has automatic transmission and 1991 Porsche 928 has manual transmission. 1991 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Oldsmobile Ninety-Eight will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Oldsmobile Ninety-Eight | 1991 Porsche 928 | |
| Make | Oldsmobile | Porsche |
| Model | Ninety-Eight | 928 |
| Year Released | 1975 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5397 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 160 HP | 345 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 380 Nm | 500 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Engine Bore Size | 103.1 mm | 100.1 mm |
| Engine Stroke Size | 85.9 mm | 85.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1935 kg | 1600 kg |
| Vehicle Length | 5900 mm | 4450 mm |
| Wheelbase Size | 3230 mm | 2510 mm |
