2004 GMC Sierra vs. 1977 Pontiac Firebird
To start off, 2004 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (340 HP @ 5200 RPM) has 195 more horse power than 1977 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1977 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 749 kg more than 1977 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 1977 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 (516 Nm @ 4000 RPM) has 192 more torque (in Nm) than 1977 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Pontiac Firebird.
Compare all specifications:
2004 GMC Sierra | 1977 Pontiac Firebird | |
Make | GMC | Pontiac |
Model | Sierra | Firebird |
Year Released | 2004 | 1977 |
Body Type | Pickup | Coupe |
Engine Position | Front | Front |
Engine Size | 5965 cc | 5012 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 340 HP | 145 HP |
Engine RPM | 5200 RPM | 3800 RPM |
Torque | 516 Nm | 324 Nm |
Torque RPM | 4000 RPM | 2400 RPM |
Engine Bore Size | 102 mm | 95 mm |
Engine Stroke Size | 92 mm | 88.4 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Vehicle Weight | 2345 kg | 1596 kg |
Vehicle Length | 5740 mm | 4880 mm |
Vehicle Width | 2000 mm | 1870 mm |
Vehicle Height | 1910 mm | 1290 mm |
Wheelbase Size | 3650 mm | 2750 mm |