1966 Innocenti IM 3 vs. 1972 Mercury Montego
To start off, 1972 Mercury Montego is newer by 6 year(s). Which means there will be less support and parts availability for 1966 Innocenti IM 3. In addition, the cost of maintenance, including insurance, on 1966 Innocenti IM 3 would be higher. At 4,095 cc (6 cylinders), 1972 Mercury Montego is equipped with a bigger engine. In terms of performance, 1972 Mercury Montego (97 HP @ 3600 RPM) has 41 more horse power than 1966 Innocenti IM 3. (56 HP @ 5500 RPM) In normal driving conditions, 1972 Mercury Montego should accelerate faster than 1966 Innocenti IM 3. With that said, vehicle weight also plays an important factor in acceleration. 1972 Mercury Montego weights approximately 805 kg more than 1966 Innocenti IM 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 Mercury Montego 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 1972 Mercury Montego. However, in wet, icy, snow, or gravel driving conditions, 1966 Innocenti IM 3, 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, 1972 Mercury Montego (248 Nm @ 1600 RPM) has 165 more torque (in Nm) than 1966 Innocenti IM 3. (83 Nm @ 2500 RPM). This means 1972 Mercury Montego will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti IM 3.
Compare all specifications:
| 1966 Innocenti IM 3 | 1972 Mercury Montego | |
| Make | Innocenti | Mercury |
| Model | IM 3 | Montego |
| Year Released | 1966 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4095 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 97 HP |
| Engine RPM | 5500 RPM | 3600 RPM |
| Torque | 83 Nm | 248 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 890 kg | 1695 kg |
| Vehicle Length | 3760 mm | 5300 mm |
| Vehicle Width | 1570 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2380 mm | 3010 mm |
