1981 Avanti Avanti vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 32 year(s). Which means there will be less support and parts availability for 1981 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1981 Avanti Avanti would be higher. At 5,733 cc (8 cylinders), 1981 Avanti Avanti is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (192 HP @ 4600 RPM) has 38 more horse power than 1981 Avanti Avanti. (154 HP @ 4000 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1981 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 731 kg more than 1981 Avanti Avanti. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1981 Avanti Avanti. In wet, icy, snow, or gravel driving conditions, 2013 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. Let's talk about torque, 1981 Avanti Avanti (366 Nm @ 2400 RPM) has 13 more torque (in Nm) than 2013 GMC Sierra. (353 Nm @ 2800 RPM). This means 1981 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 2013 GMC Sierra.
Compare all specifications:
| 1981 Avanti Avanti | 2013 GMC Sierra | |
| Make | Avanti | GMC |
| Model | Avanti | Sierra |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 4300 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 154 HP | 192 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 366 Nm | 353 Nm |
| Torque RPM | 2400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | 4-speed automatic |
| Number of Seats | 4 seats | 6 seats |
| Vehicle Weight | 1540 kg | 2271 kg |
| Vehicle Length | 4910 mm | 5702 mm |
| Vehicle Width | 1800 mm | 2031 mm |
| Vehicle Height | 1380 mm | 1875 mm |
| Wheelbase Size | 2780 mm | 3378 mm |
