1978 Avanti Avanti vs. 1983 GMC Suburban
To start off, 1983 GMC Suburban is newer by 5 year(s). Which means there will be less support and parts availability for 1978 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1978 Avanti Avanti would be higher. At 7,446 cc (8 cylinders), 1983 GMC Suburban is equipped with a bigger engine. In terms of performance, 1983 GMC Suburban (227 HP @ 3800 RPM) has 50 more horse power than 1978 Avanti Avanti. (177 HP @ 3400 RPM) In normal driving conditions, 1983 GMC Suburban should accelerate faster than 1978 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 1983 GMC Suburban weights approximately 750 kg more than 1978 Avanti Avanti. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1983 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1978 Avanti Avanti. In wet, icy, snow, or gravel driving conditions, 1983 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, 1983 GMC Suburban (488 Nm @ 2800 RPM) has 46 more torque (in Nm) than 1978 Avanti Avanti. (442 Nm @ 2000 RPM). This means 1983 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1978 Avanti Avanti. 1983 GMC Suburban has automatic transmission and 1978 Avanti Avanti has manual transmission. 1978 Avanti Avanti will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1983 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Avanti Avanti | 1983 GMC Suburban | |
| Make | Avanti | GMC |
| Model | Avanti | Suburban |
| Year Released | 1978 | 1983 |
| Engine Size | 6568 cc | 7446 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 227 HP |
| Engine RPM | 3400 RPM | 3800 RPM |
| Torque | 442 Nm | 488 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1580 kg | 2330 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 |
