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 3,790 cc (6 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1981 Pontiac Firebird (110 HP @ 3800 RPM) has 4 more horse power than 1984 Ford Sierra. (106 HP @ 5200 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 457 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 (256 Nm @ 1600 RPM) has 99 more torque (in Nm) than 1984 Ford Sierra. (157 Nm @ 4000 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 1981 Pontiac Firebird has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Pontiac Firebird will be easier to drive especially in heavy traffic.
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 | 1993 cc | 3790 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 106 HP | 110 HP |
Engine RPM | 5200 RPM | 3800 RPM |
Torque | 157 Nm | 256 Nm |
Torque RPM | 4000 RPM | 1600 RPM |
Engine Bore Size | 90.8 mm | 96.5 mm |
Engine Stroke Size | 77 mm | 86.4 mm |
Engine Compression Ratio | 9.0:1 | 8.0:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1148 kg | 1605 kg |
Vehicle Length | 4430 mm | 5040 mm |
Vehicle Width | 1730 mm | 1860 mm |
Vehicle Height | 1420 mm | 1260 mm |
Wheelbase Size | 2610 mm | 2750 mm |
Fuel Tank Capacity | 60 L | 79 L |