2005 GMC Sierra vs. 1966 Avanti Avanti
To start off, 2005 GMC Sierra is newer by 39 year(s). Which means there will be less support and parts availability for 1966 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1966 Avanti Avanti would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 67 more horse power than 1966 Avanti Avanti. (254 HP @ 5000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1966 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 810 kg more than 1966 Avanti Avanti. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1966 Avanti Avanti. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra 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.
Compare all specifications:
| 2005 GMC Sierra | 1966 Avanti Avanti | |
| Make | GMC | Avanti |
| Model | Sierra | Avanti |
| Year Released | 2005 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 254 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 4 seats |
| Vehicle Weight | 2270 kg | 1460 kg |
| Vehicle Length | 5790 mm | 4910 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 3650 mm | 2780 mm |
| Fuel Tank Capacity | 117 L | 95 L |
