1991 Alfa Romeo SZ vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 21 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 6,200 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (403 HP @ 5700 RPM) has 195 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1092 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2012 GMC Sierra (565 Nm @ 4300 RPM) has 320 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ. 2012 GMC Sierra 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. 2012 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2012 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | SZ | Sierra |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 6200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 403 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 245 Nm | 565 Nm |
| Torque RPM | 4500 RPM | 4300 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Vehicle Weight | 1260 kg | 2352 kg |
| Vehicle Length | 4670 mm | 5839 mm |
| Vehicle Width | 1740 mm | 2032 mm |
| Vehicle Height | 1320 mm | 1875 mm |
| Wheelbase Size | 2520 mm | 3645 mm |
| Fuel Tank Capacity | 50 L | 98 L |
