1970 Pontiac Firebird vs. 1992 Porsche 928
To start off, 1992 Porsche 928 is newer by 22 year(s). Which means there will be less support and parts availability for 1970 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1970 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1970 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1992 Porsche 928 (346 HP @ 5700 RPM) has 173 more horse power than 1970 Pontiac Firebird. (173 HP @ 4400 RPM) In normal driving conditions, 1992 Porsche 928 should accelerate faster than 1970 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1992 Porsche 928 weights approximately 24 kg more than 1970 Pontiac Firebird. 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, 1992 Porsche 928 (500 Nm @ 4250 RPM) has 79 more torque (in Nm) than 1970 Pontiac Firebird. (421 Nm @ 2400 RPM). This means 1992 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1970 Pontiac Firebird.
Compare all specifications:
| 1970 Pontiac Firebird | 1992 Porsche 928 | |
| Make | Pontiac | Porsche |
| Model | Firebird | 928 |
| Year Released | 1970 | 1992 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6547 cc | 5396 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 346 HP |
| Engine RPM | 4400 RPM | 5700 RPM |
| Torque | 421 Nm | 500 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Engine Bore Size | 104.7 mm | 100 mm |
| Engine Stroke Size | 95.3 mm | 85.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1596 kg | 1620 kg |
| Vehicle Length | 4880 mm | 4450 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1320 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
| Fuel Tank Capacity | 76 L | 86 L |
