2002 Alfa Romeo 156 vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 4,572 cc (8 cylinders), 2005 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Pontiac Bonneville (275 HP @ 5200 RPM) has 137 more horse power than 2002 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 404 kg more than 2002 Alfa Romeo 156. 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 Pontiac Bonneville (407 Nm) has 244 more torque (in Nm) than 2002 Alfa Romeo 156. (163 Nm). This means 2005 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156. 2005 Pontiac Bonneville has automatic transmission and 2002 Alfa Romeo 156 has manual transmission. 2002 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2005 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Bonneville |
| Year Released | 2002 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 4572 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 275 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 163 Nm | 407 Nm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1315 kg | 1719 kg |
| Vehicle Length | 4440 mm | 5150 mm |
| Vehicle Width | 1750 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Tank Capacity | 63 L | 68 L |
