1966 Innocenti J4 vs. 2006 Mercury Mountaineer
To start off, 2006 Mercury Mountaineer is newer by 40 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2006 Mercury Mountaineer (292 HP @ 5750 RPM) has 236 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2006 Mercury Mountaineer should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mountaineer weights approximately 1075 kg more than 1966 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1966 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2006 Mercury Mountaineer will offer significantly more control. 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, 2006 Mercury Mountaineer (407 Nm @ 4750 RPM) has 325 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 2006 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
| 1966 Innocenti J4 | 2006 Mercury Mountaineer | |
| Make | Innocenti | Mercury |
| Model | J4 | Mountaineer |
| Year Released | 1966 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4605 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 292 HP |
| Engine RPM | 5600 RPM | 5750 RPM |
| Torque | 82 Nm | 407 Nm |
| Torque RPM | 2000 RPM | 4750 RPM |
| Engine Compression Ratio | 9.0:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 850 kg | 1925 kg |
| Vehicle Length | 3720 mm | 4920 mm |
| Vehicle Width | 1540 mm | 1870 mm |
| Vehicle Height | 1380 mm | 1860 mm |
| Wheelbase Size | 2380 mm | 2890 mm |
| Fuel Tank Capacity | 40 L | 85 L |
