1987 Ford Sierra vs. 1970 Pontiac GTO
To start off, 1987 Ford Sierra is newer by 17 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 161 more horse power than 1987 Ford Sierra. (204 HP @ 6250 RPM) In normal driving conditions, 1970 Pontiac GTO should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1970 Pontiac GTO weights approximately 465 kg more than 1987 Ford Sierra. 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, 1970 Pontiac GTO (603 Nm @ 3600 RPM) has 326 more torque (in Nm) than 1987 Ford Sierra. (277 Nm @ 4500 RPM). This means 1970 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1970 Pontiac GTO | |
| Make | Ford | Pontiac |
| Model | Sierra | GTO |
| Year Released | 1987 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 6548 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 204 HP | 365 HP |
| Engine RPM | 6250 RPM | 5100 RPM |
| Torque | 277 Nm | 603 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 90.8 mm | 104.6 mm |
| Engine Stroke Size | 77 mm | 95.3 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1715 kg |
| Vehicle Length | 4470 mm | 5160 mm |
| Vehicle Width | 1710 mm | 1950 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
