1991 Ford Thunderbird vs. 1981 Pontiac Firebird
To start off, 1991 Ford Thunderbird is newer by 10 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 4,942 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1981 Pontiac Firebird (200 HP @ 4000 RPM) has 62 more horse power than 1991 Ford Thunderbird. (138 HP @ 3800 RPM) In normal driving conditions, 1981 Pontiac Firebird should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Firebird weights approximately 6 kg more than 1991 Ford Thunderbird. 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 (459 Nm @ 2000 RPM) has 168 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
1991 Ford Thunderbird | 1981 Pontiac Firebird | |
Make | Ford | Pontiac |
Model | Thunderbird | Firebird |
Year Released | 1991 | 1981 |
Engine Position | Front | Front |
Engine Size | 3791 cc | 4942 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 138 HP | 200 HP |
Engine RPM | 3800 RPM | 4000 RPM |
Torque | 291 Nm | 459 Nm |
Torque RPM | 2400 RPM | 2000 RPM |
Engine Bore Size | 96.9 mm | 101.6 mm |
Engine Stroke Size | 86 mm | 76.2 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1610 kg | 1616 kg |
Vehicle Length | 5050 mm | 5040 mm |
Vehicle Width | 1850 mm | 1860 mm |
Vehicle Height | 1350 mm | 1260 mm |
Wheelbase Size | 2880 mm | 2750 mm |
Fuel Tank Capacity | 45 L | 79 L |