1948 Allard J1 vs. 1986 Daihatsu Rocky
To start off, 1986 Daihatsu Rocky is newer by 38 year(s). Which means there will be less support and parts availability for 1948 Allard J1. In addition, the cost of maintenance, including insurance, on 1948 Allard J1 would be higher. At 3,915 cc (8 cylinders), 1948 Allard J1 is equipped with a bigger engine. In terms of performance, 1948 Allard J1 (100 HP @ 3800 RPM) has 28 more horse power than 1986 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 1948 Allard J1 should accelerate faster than 1986 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1986 Daihatsu Rocky weights approximately 420 kg more than 1948 Allard J1.
Because 1986 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1948 Allard J1. In wet, icy, snow, or gravel driving conditions, 1986 Daihatsu Rocky 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, 1948 Allard J1 (305 Nm @ 2500 RPM) has 134 more torque (in Nm) than 1986 Daihatsu Rocky. (171 Nm @ 2200 RPM). This means 1948 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1986 Daihatsu Rocky.
Compare all specifications:
| 1948 Allard J1 | 1986 Daihatsu Rocky | |
| Make | Allard | Daihatsu |
| Model | J1 | Rocky |
| Year Released | 1948 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3915 cc | 2765 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 72 HP |
| Engine RPM | 3800 RPM | 3600 RPM |
| Torque | 305 Nm | 171 Nm |
| Torque RPM | 2500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1140 kg | 1560 kg |
| Vehicle Length | 3690 mm | 4110 mm |
| Vehicle Width | 1480 mm | 1590 mm |
| Vehicle Height | 1510 mm | 1920 mm |
| Wheelbase Size | 2440 mm | 2540 mm |
