1971 Buick GS vs. 1973 Pontiac Firebird
To start off, 1973 Pontiac Firebird is newer by 2 year(s). Which means there will be less support and parts availability for 1971 Buick GS. In addition, the cost of maintenance, including insurance, on 1971 Buick GS would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (296 HP @ 4000 RPM) has 106 more horse power than 1971 Buick GS. (190 HP @ 4000 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1971 Buick GS. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 118 kg more than 1971 Buick GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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. Let's talk about torque, 1973 Pontiac Firebird (563 Nm @ 3200 RPM) has 169 more torque (in Nm) than 1971 Buick GS. (394 Nm @ 2800 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1971 Buick GS.
Compare all specifications:
| 1971 Buick GS | 1973 Pontiac Firebird | |
| Make | Buick | Pontiac |
| Model | GS | Firebird |
| Year Released | 1971 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5724 cc | 7462 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 190 HP | 296 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 394 Nm | 563 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1632 kg | 1750 kg |
| Vehicle Length | 5180 mm | 4870 mm |
| Vehicle Width | 1960 mm | 1870 mm |
| Vehicle Height | 1370 mm | 1290 mm |
| Wheelbase Size | 2860 mm | 2750 mm |
