1964 Innocenti J4 vs. 1981 Isuzu Trooper
To start off, 1981 Isuzu Trooper 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 2,237 cc (4 cylinders), 1981 Isuzu Trooper is equipped with a bigger engine. In terms of performance, 1981 Isuzu Trooper (74 HP @ 4400 RPM) has 17 more horse power than 1964 Innocenti J4. (57 HP @ 5500 RPM) In normal driving conditions, 1981 Isuzu Trooper should accelerate faster than 1964 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1981 Isuzu Trooper weights approximately 680 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 Isuzu Trooper 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 Isuzu Trooper 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 Isuzu Trooper (170 Nm @ 2500 RPM) has 88 more torque (in Nm) than 1964 Innocenti J4. (82 Nm @ 2000 RPM). This means 1981 Isuzu Trooper will have an easier job in driving up hills or pulling heavy equipment than 1964 Innocenti J4.
Compare all specifications:
| 1964 Innocenti J4 | 1981 Isuzu Trooper | |
| Make | Innocenti | Isuzu |
| Model | J4 | Trooper |
| Year Released | 1964 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2237 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 57 HP | 74 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Torque | 82 Nm | 170 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 1530 kg |
| Vehicle Length | 3720 mm | 4390 mm |
| Vehicle Width | 1540 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1820 mm |
| Wheelbase Size | 2380 mm | 2660 mm |
