1989 Porsche 911 vs. 1990 Pontiac Grand Prix
To start off, 1990 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 1989 Porsche 911. In addition, the cost of maintenance, including insurance, on 1989 Porsche 911 would be higher. At 3,352 cc (6 cylinders), 1990 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1989 Porsche 911 (228 HP @ 5900 RPM) has 20 more horse power than 1990 Pontiac Grand Prix. (208 HP @ 5200 RPM). In normal driving conditions, 1989 Porsche 911 should accelerate faster than 1990 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Prix weights approximately 379 kg more than 1989 Porsche 911.
Because 1989 Porsche 911 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 1989 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1990 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 Pontiac Grand Prix (291 Nm @ 4000 RPM) has 5 more torque (in Nm) than 1989 Porsche 911. (286 Nm @ 4800 RPM). This means 1990 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1989 Porsche 911. 1990 Pontiac Grand Prix has automatic transmission and 1989 Porsche 911 has manual transmission. 1989 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Porsche 911 | 1990 Pontiac Grand Prix | |
| Make | Porsche | Pontiac |
| Model | 911 | Grand Prix |
| Year Released | 1989 | 1990 |
| Body Type | Convertible | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3164 cc | 3352 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Horse Power | 228 HP | 208 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 286 Nm | 291 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 95 mm | 92 mm |
| Engine Stroke Size | 74.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1230 kg | 1609 kg |
| Vehicle Length | 4300 mm | 4930 mm |
| Vehicle Width | 1660 mm | 1810 mm |
| Vehicle Height | 1330 mm | 1360 mm |
| Wheelbase Size | 2270 mm | 2790 mm |
| Fuel Tank Capacity | 80 L | 76 L |
