1981 GMC Suburban vs. 1964 Innocenti J4
To start off, 1981 GMC Suburban is newer by 17 year(s). Which means there will be less support and parts availability for 1964 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1964 Innocenti J4 would be higher. At 6,210 cc (8 cylinders), 1981 GMC Suburban is equipped with a bigger engine. In terms of performance, 1981 GMC Suburban (129 HP @ 3600 RPM) has 72 more horse power than 1964 Innocenti J4. (57 HP @ 5500 RPM). In normal driving conditions, 1981 GMC Suburban should accelerate faster than 1964 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1981 GMC Suburban weights approximately 1545 kg more than 1964 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1964 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 1981 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, 1981 GMC Suburban (326 Nm @ 2000 RPM) has 244 more torque (in Nm) than 1964 Innocenti J4. (82 Nm @ 2000 RPM). This means 1981 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1964 Innocenti J4. 1981 GMC Suburban has automatic transmission and 1964 Innocenti J4 has manual transmission. 1964 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 GMC Suburban | 1964 Innocenti J4 | |
| Make | GMC | Innocenti |
| Model | Suburban | J4 |
| Year Released | 1981 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 6210 cc | 1098 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 57 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 326 Nm | 82 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2395 kg | 850 kg |
| Vehicle Length | 5480 mm | 3720 mm |
| Vehicle Width | 1950 mm | 1540 mm |
| Vehicle Height | 1800 mm | 1380 mm |
| Wheelbase Size | 3300 mm | 2380 mm |
