1966 Ginetta G12 vs. 1973 Innocenti J4
To start off, 1973 Innocenti J4 is newer by 7 year(s). Which means there will be less support and parts availability for 1966 Ginetta G12. In addition, the cost of maintenance, including insurance, on 1966 Ginetta G12 would be higher. At 1,590 cc (4 cylinders), 1966 Ginetta G12 is equipped with a bigger engine. In terms of performance, 1966 Ginetta G12 (158 HP @ 7500 RPM) has 102 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 1966 Ginetta G12 should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1973 Innocenti J4 weights approximately 93 kg more than 1966 Ginetta G12.
Because 1966 Ginetta G12 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 1966 Ginetta G12. 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, 1966 Ginetta G12 (170 Nm @ 5500 RPM) has 87 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 1966 Ginetta G12 will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
| 1966 Ginetta G12 | 1973 Innocenti J4 | |
| Make | Ginetta | Innocenti |
| Model | G12 | J4 |
| Year Released | 1966 | 1973 |
| Engine Position | Middle | Front |
| Engine Size | 1590 cc | 1097 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 56 HP |
| Engine RPM | 7500 RPM | 5500 RPM |
| Torque | 170 Nm | 83 Nm |
| Torque RPM | 5500 RPM | 2500 RPM |
| Engine Bore Size | 83.5 mm | 64.6 mm |
| Engine Stroke Size | 72.6 mm | 83.7 mm |
| Engine Compression Ratio | 11.0:1 | 21.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 787 kg | 880 kg |
| Vehicle Length | 3560 mm | 3720 mm |
| Vehicle Width | 1560 mm | 1540 mm |
| Vehicle Height | 1020 mm | 1380 mm |
| Wheelbase Size | 2290 mm | 2380 mm |
