1987 Ford Sierra vs. 1970 Pontiac Firebird
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 Firebird. In addition, the cost of maintenance, including insurance, on 1970 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1970 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1970 Pontiac Firebird (296 HP @ 4000 RPM) has 230 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 1970 Pontiac Firebird should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1970 Pontiac Firebird weights approximately 545 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 Firebird (563 Nm @ 3200 RPM) has 421 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 1970 Pontiac Firebird 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 Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1987 | 1970 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 7462 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 296 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 142 Nm | 563 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1205 kg | 1750 kg |
| Vehicle Length | 4500 mm | 4870 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
