2007 Lincoln Navigator vs. 1981 Pontiac Firebird
To start off, 2007 Lincoln Navigator is newer by 26 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 5,408 cc (8 cylinders), 2007 Lincoln Navigator is equipped with a bigger engine. In terms of performance, 2007 Lincoln Navigator (301 HP @ 5000 RPM) has 156 more horse power than 1981 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 2007 Lincoln Navigator should accelerate faster than 1981 Pontiac Firebird.
Because 2007 Lincoln Navigator 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, 2007 Lincoln Navigator 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, 2007 Lincoln Navigator (495 Nm @ 3750 RPM) has 171 more torque (in Nm) than 1981 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 2007 Lincoln Navigator will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird. 2007 Lincoln Navigator 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. 2007 Lincoln Navigator will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Lincoln Navigator | 1981 Pontiac Firebird | |
| Make | Lincoln | Pontiac |
| Model | Navigator | Firebird |
| Year Released | 2007 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5408 cc | 5012 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 301 HP | 145 HP |
| Engine RPM | 5000 RPM | 3800 RPM |
| Torque | 495 Nm | 324 Nm |
| Torque RPM | 3750 RPM | 2400 RPM |
| Engine Bore Size | 90.2 mm | 95 mm |
| Engine Stroke Size | 105.9 mm | 88.4 mm |
| Engine Compression Ratio | 9.8:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 5300 mm | 5040 mm |
| Vehicle Width | 2010 mm | 1860 mm |
| Vehicle Height | 2000 mm | 1260 mm |
| Wheelbase Size | 3030 mm | 2750 mm |
| Fuel Tank Capacity | 106 L | 79 L |
