2005 GMC Sierra vs. 1971 Pontiac Firebird
To start off, 2005 GMC Sierra is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1971 Pontiac Firebird would be higher. At 7,467 cc (8 cylinders), 1971 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1971 Pontiac Firebird (335 HP) has 35 more horse power than 2005 GMC Sierra. (300 HP) In normal driving conditions, 1971 Pontiac Firebird should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1338 kg more than 1971 Pontiac Firebird.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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.
Compare all specifications:
| 2005 GMC Sierra | 1971 Pontiac Firebird | |
| Make | GMC | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 2005 | 1971 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 7467 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 335 HP |
| Engine Compression Ratio | 9.4:1 | 10.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2788 kg | 1450 kg |
| Vehicle Length | 6270 mm | 4870 mm |
| Vehicle Width | 2450 mm | 1880 mm |
| Vehicle Height | 1940 mm | 1280 mm |
| Wheelbase Size | 4010 mm | 2750 mm |
