2005 GMC Envoy vs. 1981 Pontiac Firebird
To start off, 2005 GMC Envoy is newer by 24 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 5,359 cc (8 cylinders), 2005 GMC Envoy is equipped with a bigger engine. In terms of performance, 2005 GMC Envoy (300 HP) has 155 more horse power than 1981 Pontiac Firebird. (145 HP). In normal driving conditions, 2005 GMC Envoy should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Envoy weights approximately 546 kg more than 1981 Pontiac Firebird. 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, 2005 GMC Envoy (447 Nm) has 123 more torque (in Nm) than 1981 Pontiac Firebird. (324 Nm). This means 2005 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird.
Compare all specifications:
2005 GMC Envoy | 1981 Pontiac Firebird | |
Make | GMC | Pontiac |
Model | Envoy | Firebird |
Year Released | 2005 | 1981 |
Body Type | SUV | Coupe |
Engine Position | Front | Front |
Engine Size | 5359 cc | 5012 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 300 HP | 145 HP |
Torque | 447 Nm | 324 Nm |
Engine Compression Ratio | 9.5:1 | 8.6:1 |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 2088 kg | 1542 kg |
Vehicle Length | 4870 mm | 5040 mm |
Vehicle Width | 1900 mm | 1860 mm |
Vehicle Height | 1830 mm | 1260 mm |
Wheelbase Size | 2880 mm | 2750 mm |
Fuel Tank Capacity | 83 L | 79 L |