1997 Alfa Romeo 156 vs. 1986 Pontiac Bonneville
To start off, 1997 Alfa Romeo 156 is newer by 11 year(s). Which means there will be less support and parts availability for 1986 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1986 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1986 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1986 Pontiac Bonneville (149 HP @ 4400 RPM) has 6 more horse power than 1997 Alfa Romeo 156. (143 HP @ 6500 RPM) In normal driving conditions, 1986 Pontiac Bonneville should accelerate faster than 1997 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1986 Pontiac Bonneville weights approximately 270 kg more than 1997 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, 1986 Pontiac Bonneville (271 Nm) has 102 more torque (in Nm) than 1997 Alfa Romeo 156. (169 Nm). This means 1986 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 156.
Compare all specifications:
| 1997 Alfa Romeo 156 | 1986 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Bonneville |
| Year Released | 1997 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 149 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 169 Nm | 271 Nm |
| Engine Bore Size | 82 mm | 96.5 mm |
| Engine Stroke Size | 82.7 mm | 86.4 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1230 kg | 1500 kg |
| Vehicle Length | 4440 mm | 5050 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2820 mm |
| Fuel Tank Capacity | 63 L | 68 L |
