1973 Avanti Avanti vs. 1979 GMC Suburban
To start off, 1979 GMC Suburban is newer by 6 year(s). Which means there will be less support and parts availability for 1973 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1973 Avanti Avanti would be higher. At 6,570 cc (8 cylinders), 1973 Avanti Avanti is equipped with a bigger engine. In terms of performance, 1973 Avanti Avanti (177 HP @ 3400 RPM) has 48 more horse power than 1979 GMC Suburban. (129 HP @ 4000 RPM). In normal driving conditions, 1973 Avanti Avanti should accelerate faster than 1979 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1979 GMC Suburban weights approximately 648 kg more than 1973 Avanti Avanti.
Because 1979 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1973 Avanti Avanti. In wet, icy, snow, or gravel driving conditions, 1979 GMC Suburban 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, 1973 Avanti Avanti (442 Nm @ 2000 RPM) has 157 more torque (in Nm) than 1979 GMC Suburban. (285 Nm @ 2000 RPM). This means 1973 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 1979 GMC Suburban. 1979 GMC Suburban has automatic transmission and 1973 Avanti Avanti has manual transmission. 1973 Avanti Avanti will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Avanti Avanti | 1979 GMC Suburban | |
| Make | Avanti | GMC |
| Model | Avanti | Suburban |
| Year Released | 1973 | 1979 |
| Engine Size | 6570 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 129 HP |
| Engine RPM | 3400 RPM | 4000 RPM |
| Torque | 442 Nm | 285 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1584 kg | 2232 kg |
| Vehicle Length | 4910 mm | 5480 mm |
| Vehicle Width | 1800 mm | 1950 mm |
| Vehicle Height | 1380 mm | 1800 mm |
| Wheelbase Size | 2780 mm | 3300 mm |
