1973 Pontiac Firebird vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 37 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 5,999 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (353 HP @ 5400 RPM) has 245 more horse power than 1973 Pontiac Firebird. (108 HP @ 3600 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 965 kg more than 1973 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1973 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 GMC Sierra (506 Nm @ 4400 RPM) has 269 more torque (in Nm) than 1973 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 1973 Pontiac Firebird | 2010 GMC Sierra | |
| Make | Pontiac | GMC |
| Model | Firebird | Sierra |
| Year Released | 1973 | 2010 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4092 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 353 HP |
| Engine RPM | 3600 RPM | 5400 RPM |
| Torque | 237 Nm | 506 Nm |
| Torque RPM | 1600 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 2435 kg |
| Vehicle Length | 4880 mm | 6340 mm |
| Vehicle Width | 1870 mm | 2040 mm |
| Vehicle Height | 1290 mm | 1950 mm |
| Wheelbase Size | 2750 mm | 4010 mm |
