2005 Porsche 911 vs. 1975 Pontiac Firebird
To start off, 2005 Porsche 911 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Firebird would be higher. At 4,093 cc (6 cylinders), 1975 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 306 more horse power than 1975 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1975 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 150 kg more than 1975 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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, 2005 Porsche 911 (560 Nm @ 2700 RPM) has 323 more torque (in Nm) than 1975 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Pontiac Firebird.
Compare all specifications:
| 2005 Porsche 911 | 1975 Pontiac Firebird | |
| Make | Porsche | Pontiac |
| Model | 911 | Firebird |
| Year Released | 2005 | 1975 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 4093 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 414 HP | 108 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 560 Nm | 237 Nm |
| Torque RPM | 2700 RPM | 1600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1470 kg |
| Vehicle Length | 4440 mm | 4880 mm |
| Vehicle Width | 1840 mm | 1870 mm |
| Vehicle Height | 1300 mm | 1290 mm |
| Wheelbase Size | 2360 mm | 2750 mm |
