1973 Innocenti J4 vs. 2009 Volkswagen Jetta
To start off, 2009 Volkswagen Jetta is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 1,594 cc (4 cylinders), 2009 Volkswagen Jetta is equipped with a bigger engine. In terms of performance, 2009 Volkswagen Jetta (101 HP @ 3800 RPM) has 45 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2009 Volkswagen Jetta should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Volkswagen Jetta weights approximately 1427 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2009 Volkswagen Jetta (148 Nm @ 5600 RPM) has 65 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2009 Volkswagen Jetta will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4. 2009 Volkswagen Jetta has automatic transmission and 1973 Innocenti J4 has manual transmission. 1973 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Volkswagen Jetta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Innocenti J4 | 2009 Volkswagen Jetta | |
| Make | Innocenti | Volkswagen |
| Model | J4 | Jetta |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1594 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 101 HP |
| Engine RPM | 5500 RPM | 3800 RPM |
| Torque | 83 Nm | 148 Nm |
| Torque RPM | 2500 RPM | 5600 RPM |
| Engine Compression Ratio | 21.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 2307 kg |
| Vehicle Length | 3720 mm | 4560 mm |
| Vehicle Width | 1540 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2380 mm | 2580 mm |
