2005 GMC Envoy vs. 1977 Pontiac Firebird
To start off, 2005 GMC Envoy is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (285 HP) has 10 more horse power than 2005 GMC Envoy. (275 HP) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 2005 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Envoy weights approximately 579 kg more than 1977 Pontiac Firebird.
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, 1977 Pontiac Firebird (421 Nm) has 48 more torque (in Nm) than 2005 GMC Envoy. (373 Nm). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Envoy.
Compare all specifications:
| 2005 GMC Envoy | 1977 Pontiac Firebird | |
| Make | GMC | Pontiac |
| Model | Envoy | Firebird |
| Year Released | 2005 | 1977 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6547 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 275 HP | 285 HP |
| Torque | 373 Nm | 421 Nm |
| Engine Bore Size | 93 mm | 104.7 mm |
| Engine Stroke Size | 102 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2175 kg | 1596 kg |
| Vehicle Length | 5300 mm | 4880 mm |
| Vehicle Width | 1880 mm | 1870 mm |
| Vehicle Height | 1850 mm | 1290 mm |
| Wheelbase Size | 3280 mm | 2750 mm |
| Fuel Tank Capacity | 95 L | 76 L |
