1977 Avanti Avanti vs. 1978 GMC Jimmy
To start off, 1978 GMC Jimmy is newer by 1 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, 1977 Avanti Avanti (177 HP @ 3400 RPM) has 77 more horse power than 1978 GMC Jimmy. (100 HP @ 3600 RPM). In normal driving conditions, 1977 Avanti Avanti should accelerate faster than 1978 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1978 GMC Jimmy weights approximately 220 kg more than 1977 Avanti Avanti.
Because 1978 GMC Jimmy 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, 1978 GMC Jimmy 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, 1977 Avanti Avanti (442 Nm @ 2000 RPM) has 200 more torque (in Nm) than 1978 GMC Jimmy. (242 Nm @ 1600 RPM). This means 1977 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 1978 GMC Jimmy. 1978 GMC Jimmy 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. 1978 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Avanti Avanti | 1978 GMC Jimmy | |
| Make | Avanti | GMC |
| Model | Avanti | Jimmy |
| Year Released | 1977 | 1978 |
| Engine Size | 6570 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 100 HP |
| Engine RPM | 3400 RPM | 3600 RPM |
| Torque | 442 Nm | 242 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1580 kg | 1800 kg |
| Vehicle Length | 4910 mm | 4690 mm |
| Vehicle Width | 1800 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1840 mm |
| Wheelbase Size | 2780 mm | 2720 mm |
