2005 Alfa Romeo 156 vs. 1996 Pontiac Bonneville
To start off, 2005 Alfa Romeo 156 is newer by 9 year(s). Which means there will be less support and parts availability for 1996 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1996 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1996 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1996 Pontiac Bonneville (205 HP @ 5200 RPM) has 32 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 1996 Pontiac Bonneville should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1996 Pontiac Bonneville weights approximately 310 kg more than 2005 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, 1996 Pontiac Bonneville (318 Nm @ 4000 RPM) has 131 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 1996 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 1996 Pontiac Bonneville 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. 1996 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1996 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Bonneville |
| Year Released | 2005 | 1996 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 3791 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 205 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 187 Nm | 318 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 96.5 mm |
| Engine Stroke Size | 91 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1560 kg |
| Wheelbase Size | 2550 mm | 2700 mm |
| Fuel Tank Capacity | 63 L | 68 L |
