2005 Alfa Romeo 156 vs. 2002 Pontiac Grand Am
To start off, 2005 Alfa Romeo 156 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 2002 Pontiac Grand Am would be higher. At 3,349 cc (6 cylinders), 2002 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 72 more horse power than 2002 Pontiac Grand Am. (175 HP @ 4800 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2002 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 126 kg more than 2002 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Alfa Romeo 156 (305 Nm @ 4800 RPM) has 20 more torque (in Nm) than 2002 Pontiac Grand Am. (285 Nm @ 4000 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2002 Pontiac Grand Am. 2002 Pontiac Grand Am has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2002 Pontiac Grand Am | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Grand Am |
| Year Released | 2005 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 3349 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 175 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 305 Nm | 285 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1414 kg |
| Wheelbase Size | 2550 mm | 2730 mm |
| Fuel Tank Capacity | 60 L | 54 L |
