2007 Fiat Siena vs. 1967 Innocenti J4
To start off, 2007 Fiat Siena is newer by 40 year(s). Which means there will be less support and parts availability for 1967 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1967 Innocenti J4 would be higher. At 1,242 cc (4 cylinders), 2007 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Fiat Siena (72 HP @ 6000 RPM) has 16 more horse power than 1967 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 2007 Fiat Siena should accelerate faster than 1967 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 220 kg more than 1967 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, 2007 Fiat Siena (102 Nm @ 3250 RPM) has 20 more torque (in Nm) than 1967 Innocenti J4. (82 Nm @ 2000 RPM). This means 2007 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1967 Innocenti J4.
Compare all specifications:
| 2007 Fiat Siena | 1967 Innocenti J4 | |
| Make | Fiat | Innocenti |
| Model | Siena | J4 |
| Year Released | 2007 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 1098 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 72 HP | 56 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 102 Nm | 82 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 70.9 mm | 64.6 mm |
| Engine Stroke Size | 78.9 mm | 83.7 mm |
| Engine Compression Ratio | 9.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1070 kg | 850 kg |
| Vehicle Length | 3830 mm | 3720 mm |
| Vehicle Width | 1640 mm | 1540 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2380 mm | 2380 mm |
| Fuel Tank Capacity | 54 L | 28 L |
