1973 Chevrolet Impala vs. 1970 Pontiac GTO
To start off, 1973 Chevrolet Impala is newer by 3 year(s). Which means there will be less support and parts availability for 1970 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 1970 Pontiac GTO would be higher. At 6,548 cc (8 cylinders), 1970 Pontiac GTO is equipped with a bigger engine. In terms of performance, 1970 Pontiac GTO (365 HP @ 5100 RPM) has 255 more horse power than 1973 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 1970 Pontiac GTO should accelerate faster than 1973 Chevrolet Impala.
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, 1970 Pontiac GTO (603 Nm @ 3600 RPM) has 352 more torque (in Nm) than 1973 Chevrolet Impala. (251 Nm @ 1600 RPM). This means 1970 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Impala.
Compare all specifications:
| 1973 Chevrolet Impala | 1970 Pontiac GTO | |
| Make | Chevrolet | Pontiac |
| Model | Impala | GTO |
| Year Released | 1973 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 4097 cc | 6548 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 365 HP |
| Engine RPM | 3800 RPM | 5100 RPM |
| Torque | 251 Nm | 603 Nm |
| Torque RPM | 1600 RPM | 3600 RPM |
| Engine Bore Size | 98.3 mm | 104.6 mm |
| Engine Stroke Size | 89.6 mm | 95.3 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1715 kg | 1715 kg |
| Vehicle Length | 5600 mm | 5160 mm |
| Vehicle Width | 2030 mm | 1950 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 3100 mm | 2850 mm |
