1963 Austin A 99 vs. 2007 Hummer H3
To start off, 2007 Hummer H3 is newer by 44 year(s). Which means there will be less support and parts availability for 1963 Austin A 99. In addition, the cost of maintenance, including insurance, on 1963 Austin A 99 would be higher. At 3,699 cc (5 cylinders), 2007 Hummer H3 is equipped with a bigger engine. In terms of performance, 2007 Hummer H3 (242 HP @ 5600 RPM) has 135 more horse power than 1963 Austin A 99. (107 HP @ 4750 RPM) In normal driving conditions, 2007 Hummer H3 should accelerate faster than 1963 Austin A 99.
Because 2007 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1963 Austin A 99. 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 104 more torque (in Nm) than 1963 Austin A 99. (224 Nm @ 2500 RPM). This means 2007 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1963 Austin A 99.
Compare all specifications:
| 1963 Austin A 99 | 2007 Hummer H3 | |
| Make | Austin | Hummer |
| Model | A 99 | H3 |
| Year Released | 1963 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 3699 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 107 HP | 242 HP |
| Engine RPM | 4750 RPM | 5600 RPM |
| Torque | 224 Nm | 328 Nm |
| Torque RPM | 2500 RPM | 4600 RPM |
| Engine Bore Size | 83.4 mm | 95.5 mm |
| Engine Stroke Size | 88.9 mm | 101.6 mm |
| Engine Compression Ratio | 8.3:1 | 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 | 4780 mm | 4750 mm |
| Vehicle Width | 1750 mm | 2180 mm |
| Vehicle Height | 1540 mm | 1900 mm |
| Wheelbase Size | 2800 mm | 2850 mm |
