1966 Austin-Healey 3000 Mk III vs. 1964 Innocenti IM 3
To start off, 1966 Austin-Healey 3000 Mk III is newer by 2 year(s). Which means there will be less support and parts availability for 1964 Innocenti IM 3. In addition, the cost of maintenance, including insurance, on 1964 Innocenti IM 3 would be higher. At 2,912 cc (6 cylinders), 1966 Austin-Healey 3000 Mk III is equipped with a bigger engine. In terms of performance, 1966 Austin-Healey 3000 Mk III (146 HP @ 5250 RPM) has 90 more horse power than 1964 Innocenti IM 3. (56 HP @ 5500 RPM). In normal driving conditions, 1966 Austin-Healey 3000 Mk III should accelerate faster than 1964 Innocenti IM 3. With that said, vehicle weight also plays an important factor in acceleration. 1966 Austin-Healey 3000 Mk III weights approximately 290 kg more than 1964 Innocenti IM 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1966 Austin-Healey 3000 Mk III 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 1966 Austin-Healey 3000 Mk III. However, in wet, icy, snow, or gravel driving conditions, 1964 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, 1966 Austin-Healey 3000 Mk III (165 Nm @ 3500 RPM) has 82 more torque (in Nm) than 1964 Innocenti IM 3. (83 Nm @ 2500 RPM). This means 1966 Austin-Healey 3000 Mk III will have an easier job in driving up hills or pulling heavy equipment than 1964 Innocenti IM 3.
Compare all specifications:
| 1966 Austin-Healey 3000 Mk III | 1964 Innocenti IM 3 | |
| Make | Austin-Healey | Innocenti |
| Model | 3000 Mk III | IM 3 |
| Year Released | 1966 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 1096 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 146 HP | 56 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 165 Nm | 83 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 83.4 mm | 64.6 mm |
| Engine Stroke Size | 88.9 mm | 83.7 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1180 kg | 890 kg |
| Vehicle Length | 4010 mm | 3760 mm |
| Vehicle Width | 1540 mm | 1570 mm |
| Vehicle Height | 1250 mm | 1380 mm |
| Wheelbase Size | 2340 mm | 2380 mm |
