1977 Alfa Romeo Alfasud vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Alfasud would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Pontiac Bonneville (205 HP @ 5200 RPM) has 130 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 810 kg more than 1977 Alfa Romeo Alfasud. 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 (312 Nm) has 209 more torque (in Nm) than 1977 Alfa Romeo Alfasud. (103 Nm). This means 2005 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Alfasud. 2005 Pontiac Bonneville has automatic transmission and 1977 Alfa Romeo Alfasud has manual transmission. 1977 Alfa Romeo Alfasud 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:
| 1977 Alfa Romeo Alfasud | 2005 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | Alfasud | Bonneville |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 75 HP | 205 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 103 Nm | 312 Nm |
| Engine Bore Size | 80 mm | 97.1 mm |
| Engine Stroke Size | 64 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 838 kg | 1648 kg |
| Vehicle Length | 4030 mm | 5150 mm |
| Vehicle Width | 1620 mm | 1890 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2460 mm | 2800 mm |
| Fuel Tank Capacity | 50 L | 68 L |
