1991 Alfa Romeo SZ vs. 2004 Hummer H2
To start off, 2004 Hummer H2 is newer by 13 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 5,963 cc (8 cylinders), 2004 Hummer H2 is equipped with a bigger engine. In terms of performance, 2004 Hummer H2 (316 HP) has 108 more horse power than 1991 Alfa Romeo SZ. (208 HP) In normal driving conditions, 2004 Hummer H2 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hummer H2 weights approximately 1643 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 2004 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, 2004 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, 2004 Hummer H2 (488 Nm) has 243 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm). This means 2004 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ. 2004 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. 2004 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2004 Hummer H2 | |
| Make | Alfa Romeo | Hummer |
| Model | SZ | H2 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 5963 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 316 HP |
| Torque | 245 Nm | 488 Nm |
| Engine Bore Size | 93 mm | 102 mm |
| Engine Stroke Size | 72.6 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 2903 kg |
| Vehicle Length | 4670 mm | 4830 mm |
| Vehicle Width | 1740 mm | 2070 mm |
| Vehicle Height | 1320 mm | 2020 mm |
| Wheelbase Size | 2520 mm | 3130 mm |
| Fuel Tank Capacity | 50 L | 121 L |
