1988 Pontiac Grand Prix vs. 1990 Porsche 928
To start off, 1990 Porsche 928 is newer by 2 year(s). Which means there will be less support and parts availability for 1988 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1988 Pontiac Grand Prix would be higher. At 4,664 cc (8 cylinders), 1990 Porsche 928 is equipped with a bigger engine. In terms of performance, 1990 Porsche 928 (306 HP @ 5900 RPM) has 101 more horse power than 1988 Pontiac Grand Prix. (205 HP @ 4800 RPM) In normal driving conditions, 1990 Porsche 928 should accelerate faster than 1988 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 1988 Pontiac Grand Prix weights approximately 35 kg more than 1990 Porsche 928.
Because 1990 Porsche 928 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 1990 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 1988 Pontiac Grand Prix, 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, 1990 Porsche 928 (408 Nm @ 4100 RPM) has 110 more torque (in Nm) than 1988 Pontiac Grand Prix. (298 Nm @ 3200 RPM). This means 1990 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1988 Pontiac Grand Prix.
Compare all specifications:
| 1988 Pontiac Grand Prix | 1990 Porsche 928 | |
| Make | Pontiac | Porsche |
| Model | Grand Prix | 928 |
| Year Released | 1988 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3097 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 205 HP | 306 HP |
| Engine RPM | 4800 RPM | 5900 RPM |
| Torque | 298 Nm | 408 Nm |
| Torque RPM | 3200 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1530 kg |
| Vehicle Length | 4930 mm | 4450 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1360 mm | 1290 mm |
| Wheelbase Size | 2740 mm | 2510 mm |
| Fuel Tank Capacity | 76 L | 76 L |
