2004 GMC Sierra vs. 1999 Alfa Romeo 156
To start off, 2004 GMC Sierra is newer by 5 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), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 113 more horse power than 1999 Alfa Romeo 156. (187 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 932 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.
Let's talk about torque, 2004 GMC Sierra (488 Nm) has 266 more torque (in Nm) than 1999 Alfa Romeo 156. (222 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156. 1999 Alfa Romeo 156 has automatic transmission and 2004 GMC Sierra has manual transmission. 2004 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 GMC Sierra | 1999 Alfa Romeo 156 | |
| Make | GMC | Alfa Romeo |
| Model | Sierra | 156 |
| Year Released | 2004 | 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 Bore Size | 102.1 mm | 88 mm |
| Engine Stroke Size | 92 mm | 68.3 mm |
| Engine Compression Ratio | 9.4:1 | 10.3:1 |
| Transmission Type | Manual | Automatic |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2282 kg | 1350 kg |
| Vehicle Length | 5650 mm | 4440 mm |
| Vehicle Width | 2000 mm | 1750 mm |
| Vehicle Height | 1890 mm | 1420 mm |
| Wheelbase Size | 3380 mm | 2600 mm |
| Fuel Tank Capacity | 129 L | 63 L |
