1981 Fiat 127 vs. 2003 Pontiac Bonneville
To start off, 2003 Pontiac Bonneville is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Fiat 127. In addition, the cost of maintenance, including insurance, on 1981 Fiat 127 would be higher. At 4,565 cc (8 cylinders), 2003 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2003 Pontiac Bonneville (275 HP @ 5600 RPM) has 231 more horse power than 1981 Fiat 127. (44 HP @ 5000 RPM) In normal driving conditions, 2003 Pontiac Bonneville should accelerate faster than 1981 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Bonneville weights approximately 884 kg more than 1981 Fiat 127. 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, 2003 Pontiac Bonneville (298 Nm @ 4000 RPM) has 223 more torque (in Nm) than 1981 Fiat 127. (75 Nm @ 3000 RPM). This means 2003 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 127. 2003 Pontiac Bonneville has automatic transmission and 1981 Fiat 127 has manual transmission. 1981 Fiat 127 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Fiat 127 | 2003 Pontiac Bonneville | |
| Make | Fiat | Pontiac |
| Model | 127 | Bonneville |
| Year Released | 1981 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 44 HP | 275 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 75 Nm | 298 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 76.1 mm | 93.1 mm |
| Engine Stroke Size | 71.5 mm | 84 mm |
| Engine Compression Ratio | 20.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 835 kg | 1719 kg |
| Vehicle Length | 3650 mm | 5150 mm |
| Vehicle Width | 1530 mm | 1890 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 2230 mm | 2790 mm |
