2004 GMC Sierra vs. 1979 Pontiac Firebird
To start off, 2004 GMC Sierra is newer by 25 year(s). Which means there will be less support and parts availability for 1979 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1979 Pontiac Firebird would be higher. At 5,700 cc (8 cylinders), 1979 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (295 HP) has 137 more horse power than 1979 Pontiac Firebird. (158 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1979 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 783 kg more than 1979 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1979 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2004 GMC Sierra 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, 2004 GMC Sierra (447 Nm) has 81 more torque (in Nm) than 1979 Pontiac Firebird. (366 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 Pontiac Firebird.
Compare all specifications:
| 2004 GMC Sierra | 1979 Pontiac Firebird | |
| Make | GMC | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 2004 | 1979 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 5700 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 158 HP |
| Torque | 447 Nm | 366 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2379 kg | 1596 kg |
| Vehicle Length | 5850 mm | 4880 mm |
| Vehicle Width | 2000 mm | 1870 mm |
| Vehicle Height | 1910 mm | 1290 mm |
| Wheelbase Size | 3650 mm | 2750 mm |
| Fuel Tank Capacity | 98 L | 76 L |
