2004 Alfa Romeo 156 vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 4,800 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (302 HP @ 5600 RPM) has 64 more horse power than 2004 Alfa Romeo 156. (238 HP @ 6200 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 833 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2010 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2010 GMC Sierra (413 Nm @ 4600 RPM) has 124 more torque (in Nm) than 2004 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2010 GMC Sierra has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2010 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2004 | 2010 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 238 HP | 302 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 289 Nm | 413 Nm |
| Torque RPM | 4800 RPM | 4600 RPM |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1485 kg | 2318 kg |
| Vehicle Length | 4440 mm | 5847 mm |
| Vehicle Width | 1770 mm | 2032 mm |
| Vehicle Height | 1410 mm | 1875 mm |
| Wheelbase Size | 2600 mm | 3645 mm |
| Fuel Tank Capacity | 63 L | 98 L |
