1951 Austin Princess vs. 2007 Hummer H3
To start off, 2007 Hummer H3 is newer by 56 year(s). Which means there will be less support and parts availability for 1951 Austin Princess. In addition, the cost of maintenance, including insurance, on 1951 Austin Princess would be higher. At 3,990 cc (6 cylinders), 1951 Austin Princess is equipped with a bigger engine. In terms of performance, 2007 Hummer H3 (242 HP @ 5600 RPM) has 118 more horse power than 1951 Austin Princess. (124 HP @ 3800 RPM) In normal driving conditions, 2007 Hummer H3 should accelerate faster than 1951 Austin Princess.
Because 2007 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Austin Princess. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Hummer H3 (328 Nm @ 4600 RPM) has 40 more torque (in Nm) than 1951 Austin Princess. (288 Nm @ 2200 RPM). This means 2007 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin Princess.
Compare all specifications:
| 1951 Austin Princess | 2007 Hummer H3 | |
| Make | Austin | Hummer |
| Model | Princess | H3 |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 3699 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 242 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Torque | 288 Nm | 328 Nm |
| Torque RPM | 2200 RPM | 4600 RPM |
| Engine Bore Size | 87.3 mm | 95.5 mm |
| Engine Stroke Size | 111.1 mm | 101.6 mm |
| Engine Compression Ratio | 6.8:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4880 mm | 4750 mm |
| Vehicle Width | 1860 mm | 2180 mm |
| Vehicle Height | 1710 mm | 1900 mm |
| Wheelbase Size | 3030 mm | 2850 mm |
