1973 Innocenti J4 vs. 1973 Monteverdi Hai 450
To start off, both 1973 Innocenti J4 and 1973 Monteverdi Hai 450 were released in the same year (1973). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 6,974 cc (8 cylinders), 1973 Monteverdi Hai 450 is equipped with a bigger engine. In terms of performance, 1973 Monteverdi Hai 450 (444 HP @ 5000 RPM) has 388 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1973 Monteverdi Hai 450 should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1973 Monteverdi Hai 450 weights approximately 410 kg more than 1973 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Monteverdi Hai 450 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 1973 Monteverdi Hai 450. However, in wet, icy, snow, or gravel driving conditions, 1973 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, 1973 Monteverdi Hai 450 (586 Nm @ 4000 RPM) has 503 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 1973 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
| 1973 Innocenti J4 | 1973 Monteverdi Hai 450 | |
| Make | Innocenti | Monteverdi |
| Model | J4 | Hai 450 |
| Year Released | 1973 | 1973 |
| Engine Position | Front | Middle |
| Engine Size | 1097 cc | 6974 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 444 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 83 Nm | 586 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 64.6 mm | 108 mm |
| Engine Stroke Size | 83.7 mm | 95.2 mm |
| Engine Compression Ratio | 21.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 880 kg | 1290 kg |
| Vehicle Length | 3720 mm | 4380 mm |
| Vehicle Width | 1540 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1100 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
