2009 Hummer H3 vs. 1966 Innocenti IM 3
To start off, 2009 Hummer H3 is newer by 43 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 5,300 cc (8 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (300 HP @ 5200 RPM) has 244 more horse power than 1966 Innocenti IM 3. (56 HP @ 5500 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1966 Innocenti IM 3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1304 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 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1966 Innocenti IM 3. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 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, 2009 Hummer H3 (434 Nm @ 4000 RPM) has 351 more torque (in Nm) than 1966 Innocenti IM 3. (83 Nm @ 2500 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti IM 3. 2009 Hummer H3 has automatic transmission and 1966 Innocenti IM 3 has manual transmission. 1966 Innocenti IM 3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H3 | 1966 Innocenti IM 3 | |
| Make | Hummer | Innocenti |
| Model | H3 | IM 3 |
| Year Released | 2009 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 1098 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 56 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 434 Nm | 83 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2194 kg | 890 kg |
| Vehicle Length | 4770 mm | 3760 mm |
| Vehicle Width | 2170 mm | 1570 mm |
| Vehicle Height | 1870 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 2380 mm |
