2009 Hummer H3 vs. 1972 Porsche 911
To start off, 2009 Hummer H3 is newer by 37 year(s). Which means there will be less support and parts availability for 1972 Porsche 911. In addition, the cost of maintenance, including insurance, on 1972 Porsche 911 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 110 more horse power than 1972 Porsche 911. (190 HP @ 6500 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1972 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1117 kg more than 1972 Porsche 911. 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 1972 Porsche 911. 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 217 more torque (in Nm) than 1972 Porsche 911. (217 Nm @ 5200 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1972 Porsche 911. 2009 Hummer H3 has automatic transmission and 1972 Porsche 911 has manual transmission. 1972 Porsche 911 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 | 1972 Porsche 911 | |
| Make | Hummer | Porsche |
| Model | H3 | 911 |
| Year Released | 2009 | 1972 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5300 cc | 2341 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 190 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 434 Nm | 217 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2194 kg | 1077 kg |
| Vehicle Length | 4770 mm | 4150 mm |
| Vehicle Width | 2170 mm | 1620 mm |
| Vehicle Height | 1870 mm | 1330 mm |
| Wheelbase Size | 2850 mm | 2270 mm |
| Fuel Tank Capacity | 87 L | 80 L |
