1991 Alfa Romeo SZ vs. 2003 Hummer H2
To start off, 2003 Hummer H2 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 5,967 cc (8 cylinders), 2003 Hummer H2 is equipped with a bigger engine. In terms of performance, 2003 Hummer H2 (321 HP @ 5200 RPM) has 113 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2003 Hummer H2 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2003 Hummer H2 weights approximately 1650 kg more than 1991 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2003 Hummer H2 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, 2003 Hummer H2 (522 Nm @ 3600 RPM) has 277 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2003 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ. 2003 Hummer H2 has automatic transmission and 1991 Alfa Romeo SZ has manual transmission. 1991 Alfa Romeo SZ will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2003 Hummer H2 | |
| Make | Alfa Romeo | Hummer |
| Model | SZ | H2 |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 5967 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 208 HP | 321 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 245 Nm | 522 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 2910 kg |
| Vehicle Length | 4670 mm | 4820 mm |
| Vehicle Width | 1740 mm | 2070 mm |
| Vehicle Height | 1320 mm | 1980 mm |
| Wheelbase Size | 2520 mm | 3130 mm |
| Fuel Tank Capacity | 50 L | 121 L |
