2006 Nissan Xterra vs. 1973 Pontiac Firebird
To start off, 2006 Nissan Xterra is newer by 33 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, 1973 Pontiac Firebird (296 HP @ 4000 RPM) has 31 more horse power than 2006 Nissan Xterra. (265 HP @ 5600 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 2006 Nissan Xterra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 220 kg more than 2006 Nissan Xterra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Nissan Xterra 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, 2006 Nissan Xterra 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, 1973 Pontiac Firebird (563 Nm @ 3200 RPM) has 177 more torque (in Nm) than 2006 Nissan Xterra. (386 Nm @ 4000 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2006 Nissan Xterra.
Compare all specifications:
| 2006 Nissan Xterra | 1973 Pontiac Firebird | |
| Make | Nissan | Pontiac |
| Model | Xterra | Firebird |
| Year Released | 2006 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3950 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 265 HP | 296 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 386 Nm | 563 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 95.5 mm | 105.4 mm |
| Engine Stroke Size | 81.4 mm | 106.9 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1750 kg |
| Vehicle Length | 4550 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1870 mm |
| Vehicle Height | 1910 mm | 1290 mm |
| Wheelbase Size | 2710 mm | 2750 mm |
| Fuel Tank Capacity | 80 L | 76 L |
