2006 GMC Envoy vs. 1977 Avanti Avanti
To start off, 2006 GMC Envoy is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1977 Avanti Avanti would be higher. At 6,570 cc (8 cylinders), 1977 Avanti Avanti is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (300 HP @ 5200 RPM) has 123 more horse power than 1977 Avanti Avanti. (177 HP @ 3400 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1977 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 855 kg more than 1977 Avanti Avanti. 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 1977 Avanti Avanti. 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, 2006 GMC Envoy (447 Nm @ 4000 RPM) has 5 more torque (in Nm) than 1977 Avanti Avanti. (442 Nm @ 2000 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1977 Avanti Avanti.
Compare all specifications:
| 2006 GMC Envoy | 1977 Avanti Avanti | |
| Make | GMC | Avanti |
| Model | Envoy | Avanti |
| Year Released | 2006 | 1977 |
| Engine Size | 5358 cc | 6570 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 177 HP |
| Engine RPM | 5200 RPM | 3400 RPM |
| Torque | 447 Nm | 442 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2435 kg | 1580 kg |
| Vehicle Length | 5280 mm | 4910 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1920 mm | 1380 mm |
| Wheelbase Size | 3280 mm | 2780 mm |
