1977 Avanti Avanti vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 30 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, 2007 GMC Sierra (353 HP @ 5400 RPM) has 176 more horse power than 1977 Avanti Avanti. (177 HP @ 3400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1977 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 702 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 2007 GMC Sierra 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, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 64 more torque (in Nm) than 1977 Avanti Avanti. (442 Nm @ 2000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Avanti Avanti. 2007 GMC Sierra has automatic transmission and 1977 Avanti Avanti has manual transmission. 1977 Avanti Avanti will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
1977 Avanti Avanti | 2007 GMC Sierra | |
Make | Avanti | GMC |
Model | Avanti | Sierra |
Year Released | 1977 | 2007 |
Engine Size | 6570 cc | 5997 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 177 HP | 353 HP |
Engine RPM | 3400 RPM | 5400 RPM |
Torque | 442 Nm | 506 Nm |
Torque RPM | 2000 RPM | 4400 RPM |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Vehicle Weight | 1580 kg | 2282 kg |
Vehicle Length | 4910 mm | 5710 mm |
Vehicle Width | 1800 mm | 2040 mm |
Vehicle Height | 1380 mm | 1950 mm |
Wheelbase Size | 2780 mm | 3380 mm |