1987 Ford Sierra vs. 1974 Pontiac Firebird
To start off, 1987 Ford Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1974 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1974 Pontiac Firebird would be higher. At 4,093 cc (6 cylinders), 1974 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 5 more horse power than 1974 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1974 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1974 Pontiac Firebird weights approximately 380 kg more than 1987 Ford Sierra.
Let's talk about torque, 1974 Pontiac Firebird (237 Nm @ 1600 RPM) has 57 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1974 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 | 1974 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1987 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 4093 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 108 HP |
| Engine RPM | 5300 RPM | 3600 RPM |
| Torque | 180 Nm | 237 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1090 kg | 1470 kg |
| Vehicle Length | 4400 mm | 4880 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1370 mm | 1290 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
