1983 Pontiac Firebird vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1983 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1983 Pontiac Firebird would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP) has 164 more horse power than 1983 Pontiac Firebird. (134 HP) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1983 Pontiac Firebird.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1983 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 191 more torque (in Nm) than 1983 Pontiac Firebird. (223 Nm @ 3600 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1983 Pontiac Firebird.
Compare all specifications:
| 1983 Pontiac Firebird | 2013 GMC Sierra | |
| Make | Pontiac | GMC |
| Model | Firebird | Sierra |
| Year Released | 1983 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2827 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 134 HP | 298 HP |
| Torque | 223 Nm | 414 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 88.9 mm | 96 mm |
| Engine Stroke Size | 75.9 mm | 83 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 3 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4880 mm | 5847 mm |
| Vehicle Width | 1860 mm | 2032 mm |
| Vehicle Height | 1380 mm | 1872 mm |
| Wheelbase Size | 2580 mm | 3645 mm |
| Fuel Tank Capacity | 60 L | 98 L |
