1997 Alfa Romeo 155 vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 4,784 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 226 more horse power than 1999 GMC Sierra. (267 HP @ 5200 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 765 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 1999 GMC Sierra (386 Nm @ 4000 RPM) has 86 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 1999 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 155 | Sierra |
| Year Released | 1997 | 1999 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 4784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 267 HP |
| Engine RPM | 11700 RPM | 5200 RPM |
| Torque | 300 Nm | 386 Nm |
| Torque RPM | 9500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1040 kg | 1805 kg |
| Vehicle Width | 1750 mm | 2000 mm |
