2007 Hummer H3 vs. 1991 Porsche 928
To start off, 2007 Hummer H3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 64 more horse power than 2007 Hummer H3. (242 HP @ 5600 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2007 Hummer H3.
Because 2007 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Porsche 928. 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, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 80 more torque (in Nm) than 2007 Hummer H3. (328 Nm @ 4600 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2007 Hummer H3.
Compare all specifications:
| 2007 Hummer H3 | 1991 Porsche 928 | |
| Make | Hummer | Porsche |
| Model | H3 | 928 |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3699 cc | 4663 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 242 HP | 306 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 328 Nm | 408 Nm |
| Torque RPM | 4600 RPM | 4100 RPM |
| Engine Bore Size | 95.5 mm | 97 mm |
| Engine Stroke Size | 101.6 mm | 78.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4750 mm | 4530 mm |
| Vehicle Width | 2180 mm | 2060 mm |
| Vehicle Height | 1900 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2510 mm |
