2003 Pontiac Bonneville vs. 2001 Pontiac Sunfire
To start off, 2003 Pontiac Bonneville is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Pontiac Sunfire. In addition, the cost of maintenance, including insurance, on 2001 Pontiac Sunfire 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 127 more horse power than 2001 Pontiac Sunfire. (148 HP @ 5600 RPM). In normal driving conditions, 2003 Pontiac Bonneville should accelerate faster than 2001 Pontiac Sunfire. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Bonneville weights approximately 462 kg more than 2001 Pontiac Sunfire. 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 95 more torque (in Nm) than 2001 Pontiac Sunfire. (203 Nm @ 4400 RPM). This means 2003 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2001 Pontiac Sunfire. 2003 Pontiac Bonneville has automatic transmission and 2001 Pontiac Sunfire has manual transmission. 2001 Pontiac Sunfire 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:
| 2003 Pontiac Bonneville | 2001 Pontiac Sunfire | |
| Make | Pontiac | Pontiac |
| Model | Bonneville | Sunfire |
| Year Released | 2003 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2398 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 148 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 298 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 93.1 mm | 90 mm |
| Engine Stroke Size | 84 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1719 kg | 1257 kg |
| Vehicle Length | 5150 mm | 4630 mm |
| Vehicle Width | 1890 mm | 1740 mm |
| Vehicle Height | 1440 mm | 1350 mm |
| Wheelbase Size | 2790 mm | 2650 mm |
| Fuel Tank Capacity | 70 L | 54 L |
