2011 Porsche Cayenne vs. 1973 Pontiac Firebird
To start off, 2011 Porsche Cayenne is newer by 38 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2011 Porsche Cayenne (500 HP @ 6000 RPM) has 204 more horse power than 1973 Pontiac Firebird. (296 HP @ 4000 RPM). In normal driving conditions, 2011 Porsche Cayenne should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche Cayenne weights approximately 420 kg more than 1973 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1973 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2011 Porsche Cayenne 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, 2011 Porsche Cayenne (699 Nm @ 2250 RPM) has 136 more torque (in Nm) than 1973 Pontiac Firebird. (563 Nm @ 3200 RPM). This means 2011 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 2011 Porsche Cayenne | 1973 Pontiac Firebird | |
| Make | Porsche | Pontiac |
| Model | Cayenne | Firebird |
| Year Released | 2011 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 7462 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 296 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 699 Nm | 563 Nm |
| Torque RPM | 2250 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1750 kg |
| Vehicle Length | 4846 mm | 4870 mm |
| Vehicle Width | 1938 mm | 1870 mm |
| Vehicle Height | 1702 mm | 1290 mm |
| Wheelbase Size | 2896 mm | 2750 mm |
| Fuel Tank Capacity | 100 L | 76 L |
