1987 Ford Sierra vs. 1985 Pontiac Firebird
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1985 Pontiac Firebird would be higher. At 2,827 cc (6 cylinders), 1985 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 91 more horse power than 1985 Pontiac Firebird. (133 HP @ 5100 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1985 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1985 Pontiac Firebird weights approximately 149 kg more than 1987 Ford Sierra.
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, 1987 Ford Sierra (285 Nm @ 4500 RPM) has 62 more torque (in Nm) than 1985 Pontiac Firebird. (223 Nm @ 3600 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Firebird.
Compare all specifications:
| 1987 Ford Sierra | 1985 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1987 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2827 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 224 HP | 133 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 285 Nm | 223 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 90.8 mm | 88.9 mm |
| Engine Stroke Size | 77 mm | 75.9 mm |
| Engine Compression Ratio | 8.0:1 | 8.5:1 |
| Top Speed | 248 km/hour | 161 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1207 kg | 1356 kg |
| Vehicle Length | 4430 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1270 mm |
| Wheelbase Size | 2540 mm | 2740 mm |
