2006 Jeep Commander vs. 1981 Pontiac Firebird
To start off, 2006 Jeep Commander is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 5,012 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2006 Jeep Commander (235 HP @ 4500 RPM) has 90 more horse power than 1981 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 2006 Jeep Commander should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Commander weights approximately 135 kg more than 1981 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 1981 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2006 Jeep Commander 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, 2006 Jeep Commander (414 Nm @ 3600 RPM) has 90 more torque (in Nm) than 1981 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 2006 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird. 2006 Jeep Commander has automatic transmission and 1981 Pontiac Firebird has manual transmission. 1981 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Jeep Commander | 1981 Pontiac Firebird | |
| Make | Jeep | Pontiac |
| Model | Commander | Firebird |
| Year Released | 2006 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4703 cc | 5012 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 235 HP | 145 HP |
| Engine RPM | 4500 RPM | 3800 RPM |
| Torque | 414 Nm | 324 Nm |
| Torque RPM | 3600 RPM | 2400 RPM |
| Engine Bore Size | 88 mm | 95 mm |
| Engine Stroke Size | 101 mm | 88.4 mm |
| Engine Compression Ratio | 9.1:1 | 8.6:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1677 kg | 1542 kg |
| Vehicle Length | 4790 mm | 5040 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1830 mm | 1260 mm |
| Wheelbase Size | 2790 mm | 2750 mm |
| Fuel Tank Capacity | 78 L | 79 L |
