2006 GMC Envoy vs. 1978 Pontiac Firebird
To start off, 2006 GMC Envoy is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1978 Pontiac Firebird would be higher. At 4,942 cc (8 cylinders), 1978 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (291 HP @ 6000 RPM) has 91 more horse power than 1978 Pontiac Firebird. (200 HP @ 4000 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1978 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 850 kg more than 1978 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1978 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2006 GMC Envoy will offer significantly more control. 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, 1978 Pontiac Firebird (459 Nm @ 2000 RPM) has 83 more torque (in Nm) than 2006 GMC Envoy. (376 Nm @ 4800 RPM). This means 1978 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 2006 GMC Envoy | 1978 Pontiac Firebird | |
| Make | GMC | Pontiac |
| Model | Envoy | Firebird |
| Year Released | 2006 | 1978 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 291 HP | 200 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 376 Nm | 459 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2435 kg | 1585 kg |
| Vehicle Length | 4870 mm | 4880 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Vehicle Height | 1830 mm | 1290 mm |
| Wheelbase Size | 2880 mm | 2750 mm |
