1970 Innocenti J4 vs. 1978 Triumph Spitfire
To start off, 1978 Triumph Spitfire is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1970 Innocenti J4 would be higher. At 1,493 cc (4 cylinders), 1978 Triumph Spitfire is equipped with a bigger engine. In terms of performance, both vehicles can yield 56 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1970 Innocenti J4 weights approximately 37 kg more than 1978 Triumph Spitfire.
Because 1978 Triumph Spitfire 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 1978 Triumph Spitfire. However, in wet, icy, snow, or gravel driving conditions, 1970 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, 1978 Triumph Spitfire (101 Nm @ 3000 RPM) has 19 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 1978 Triumph Spitfire will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 1978 Triumph Spitfire | |
| Make | Innocenti | Triumph |
| Model | J4 | Spitfire |
| Year Released | 1970 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1493 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 56 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 82 Nm | 101 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 852 kg | 815 kg |
| Vehicle Length | 3720 mm | 3740 mm |
| Vehicle Width | 1540 mm | 1450 mm |
| Vehicle Height | 1380 mm | 1210 mm |
| Wheelbase Size | 2380 mm | 2110 mm |
