2003 Alfa Romeo 166 vs. 1999 Pontiac Bonneville
To start off, 2003 Alfa Romeo 166 is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1999 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1999 Pontiac Bonneville (240 HP @ 5200 RPM) has 23 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 1999 Pontiac Bonneville should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 1999 Pontiac Bonneville weights approximately 197 kg more than 2003 Alfa Romeo 166. 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, 1999 Pontiac Bonneville (380 Nm @ 3600 RPM) has 115 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 1999 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1999 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | 166 | Bonneville |
| Year Released | 2003 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 240 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 265 Nm | 380 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 93 mm | 96.5 mm |
| Engine Stroke Size | 72.6 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Top Speed | 236 km/hour | 203 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1747 kg |
| Vehicle Length | 4730 mm | 5150 mm |
| Vehicle Width | 1810 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2810 mm |
| Fuel Tank Capacity | 69 L | 70 L |
