1973 Innocenti J4 vs. 2013 Ford Flex
To start off, 2013 Ford Flex is newer by 40 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 3,500 cc (6 cylinders), 2013 Ford Flex is equipped with a bigger engine. In terms of performance, 2013 Ford Flex (281 HP @ 6500 RPM) has 225 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2013 Ford Flex should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Ford Flex weights approximately 1148 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, 2013 Ford Flex (346 Nm @ 4000 RPM) has 263 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2013 Ford Flex will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4. 2013 Ford Flex 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. 2013 Ford Flex will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Innocenti J4 | 2013 Ford Flex | |
| Make | Innocenti | Ford |
| Model | J4 | Flex |
| Year Released | 1973 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 281 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 83 Nm | 346 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 64.6 mm | 92 mm |
| Engine Stroke Size | 83.7 mm | 86 mm |
| Engine Compression Ratio | 21.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 2 seats | 7 seats |
| Vehicle Weight | 880 kg | 2028 kg |
| Vehicle Length | 3720 mm | 5125 mm |
| Vehicle Width | 1540 mm | 2256 mm |
| Vehicle Height | 1380 mm | 1726 mm |
| Wheelbase Size | 2380 mm | 2994 mm |
