2003 Alfa Romeo 156 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 6,200 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (397 HP @ 5700 RPM) has 279 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6500 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1189 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2013 GMC Sierra 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, 2013 GMC Sierra (565 Nm @ 4300 RPM) has 419 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2013 GMC Sierra has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2013 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2003 | 2013 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 6200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 397 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 146 Nm | 565 Nm |
| Torque RPM | 4500 RPM | 4300 RPM |
| Engine Bore Size | 82 mm | 103 mm |
| Engine Stroke Size | 75.7 mm | 92 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1250 kg | 2439 kg |
| Vehicle Length | 4450 mm | 5847 mm |
| Vehicle Width | 1750 mm | 2032 mm |
| Vehicle Height | 1440 mm | 1872 mm |
| Wheelbase Size | 2710 mm | 3645 mm |
| Fuel Tank Capacity | 63 L | 98 L |
