1969 Innocenti J4 vs. 1964 Triumph TR4
To start off, 1969 Innocenti J4 is newer by 5 year(s). Which means there will be less support and parts availability for 1964 Triumph TR4. In addition, the cost of maintenance, including insurance, on 1964 Triumph TR4 would be higher. At 2,138 cc (4 cylinders), 1964 Triumph TR4 is equipped with a bigger engine. In terms of performance, 1964 Triumph TR4 (100 HP @ 4700 RPM) has 44 more horse power than 1969 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1964 Triumph TR4 should accelerate faster than 1969 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1964 Triumph TR4 weights approximately 115 kg more than 1969 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1964 Triumph TR4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1964 Triumph TR4. However, in wet, icy, snow, or gravel driving conditions, 1969 Innocenti J4, being front wheel drive (FWD), will offer much better control with better grip. 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, 1964 Triumph TR4 (172 Nm @ 3350 RPM) has 90 more torque (in Nm) than 1969 Innocenti J4. (82 Nm @ 2000 RPM). This means 1964 Triumph TR4 will have an easier job in driving up hills or pulling heavy equipment than 1969 Innocenti J4.
Compare all specifications:
| 1969 Innocenti J4 | 1964 Triumph TR4 | |
| Make | Innocenti | Triumph |
| Model | J4 | TR4 |
| Year Released | 1969 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2138 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 100 HP |
| Engine RPM | 5500 RPM | 4700 RPM |
| Torque | 82 Nm | 172 Nm |
| Torque RPM | 2000 RPM | 3350 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 850 kg | 965 kg |
| Vehicle Length | 3720 mm | 3950 mm |
| Vehicle Width | 1540 mm | 1480 mm |
| Vehicle Height | 1380 mm | 1280 mm |
| Wheelbase Size | 2380 mm | 2240 mm |
| Fuel Tank Capacity | 40 L | 53 L |
