1984 Ford Sierra vs. 1981 Pontiac Firebird
To start off, 1984 Ford Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 5,012 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1981 Pontiac Firebird (145 HP @ 3800 RPM) has 86 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM) In normal driving conditions, 1981 Pontiac Firebird should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Firebird weights approximately 572 kg more than 1984 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, 1981 Pontiac Firebird (324 Nm @ 2400 RPM) has 226 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
1984 Ford Sierra | 1981 Pontiac Firebird | |
Make | Ford | Pontiac |
Model | Sierra | Firebird |
Year Released | 1984 | 1981 |
Engine Position | Front | Front |
Engine Size | 1294 cc | 5012 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 59 HP | 145 HP |
Engine RPM | 5700 RPM | 3800 RPM |
Torque | 98 Nm | 324 Nm |
Torque RPM | 3100 RPM | 2400 RPM |
Engine Bore Size | 79.1 mm | 95 mm |
Engine Stroke Size | 66 mm | 88.4 mm |
Engine Compression Ratio | 9.0:1 | 8.6:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 3 doors | 2 doors |
Vehicle Weight | 970 kg | 1542 kg |
Vehicle Length | 4400 mm | 5040 mm |
Vehicle Width | 1710 mm | 1860 mm |
Vehicle Height | 1420 mm | 1260 mm |
Wheelbase Size | 2610 mm | 2750 mm |
Fuel Tank Capacity | 60 L | 79 L |