2005 GMC Sierra vs. 1999 Alfa Romeo 156
To start off, 2005 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 156 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 113 more horse power than 1999 Alfa Romeo 156. (187 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1438 kg more than 1999 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2005 GMC Sierra (488 Nm) has 266 more torque (in Nm) than 1999 Alfa Romeo 156. (222 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156.
Compare all specifications:
| 2005 GMC Sierra | 1999 Alfa Romeo 156 | |
| Make | GMC | Alfa Romeo |
| Model | Sierra | 156 |
| Year Released | 2005 | 1999 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 187 HP |
| Torque | 488 Nm | 222 Nm |
| Engine Compression Ratio | 9.4:1 | 10.3:1 |
| Drive Type | Rear | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2788 kg | 1350 kg |
| Vehicle Length | 6270 mm | 4440 mm |
| Vehicle Width | 2450 mm | 1750 mm |
| Vehicle Height | 1940 mm | 1420 mm |
| Wheelbase Size | 4010 mm | 2600 mm |
| Fuel Tank Capacity | 129 L | 63 L |
