1990 Alfa Romeo SZ vs. 2007 Hummer H3
To start off, 2007 Hummer H3 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo SZ 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 34 more horse power than 1990 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2007 Hummer H3 should accelerate faster than 1990 Alfa Romeo SZ.
Because 2007 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Alfa Romeo SZ. 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 83 more torque (in Nm) than 1990 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2007 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo SZ.
Compare all specifications:
| 1990 Alfa Romeo SZ | 2007 Hummer H3 | |
| Make | Alfa Romeo | Hummer |
| Model | SZ | H3 |
| Year Released | 1990 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 3699 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 208 HP | 242 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 245 Nm | 328 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 95.5 mm |
| Engine Stroke Size | 72.6 mm | 101.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4290 mm | 4750 mm |
| Vehicle Width | 1740 mm | 2180 mm |
| Vehicle Height | 1320 mm | 1900 mm |
| Wheelbase Size | 2520 mm | 2850 mm |
