2007 Pontiac Grand Prix vs. 1978 Porsche 911
To start off, 2007 Pontiac Grand Prix is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 3,790 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (260 HP @ 5400 RPM) has 75 more horse power than 1978 Porsche 911. (185 HP @ 5500 RPM). In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 1978 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 167 kg more than 1978 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Pontiac Grand Prix (380 Nm @ 3600 RPM) has 115 more torque (in Nm) than 1978 Porsche 911. (265 Nm @ 4100 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 911. 2007 Pontiac Grand Prix has automatic transmission and 1978 Porsche 911 has manual transmission. 1978 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Pontiac Grand Prix | 1978 Porsche 911 | |
| Make | Pontiac | Porsche |
| Model | Grand Prix | 911 |
| Year Released | 2007 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3790 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 260 HP | 185 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 380 Nm | 265 Nm |
| Torque RPM | 3600 RPM | 4100 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1347 kg | 1180 kg |
| Vehicle Length | 5040 mm | 4300 mm |
| Vehicle Width | 1830 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2810 mm | 2280 mm |
| Fuel Tank Capacity | 64 L | 80 L |
