2004 Chevrolet Impala vs. 2005 Pontiac Sunfire
To start off, 2005 Pontiac Sunfire is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2004 Chevrolet Impala would be higher. At 3,786 cc (6 cylinders), 2004 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2004 Chevrolet Impala (200 HP @ 5600 RPM) has 59 more horse power than 2005 Pontiac Sunfire. (141 HP @ 5600 RPM). In normal driving conditions, 2004 Chevrolet Impala should accelerate faster than 2005 Pontiac Sunfire. With that said, vehicle weight also plays an important factor in acceleration. 2004 Chevrolet Impala weights approximately 279 kg more than 2005 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, 2004 Chevrolet Impala (305 Nm) has 102 more torque (in Nm) than 2005 Pontiac Sunfire. (203 Nm). This means 2004 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Sunfire.
Compare all specifications:
| 2004 Chevrolet Impala | 2005 Pontiac Sunfire | |
| Make | Chevrolet | Pontiac |
| Model | Impala | Sunfire |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 2189 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 141 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 305 Nm | 203 Nm |
| Engine Bore Size | 97.1 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1261 kg |
| Vehicle Length | 5090 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1350 mm |
| Wheelbase Size | 2880 mm | 2860 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 76 L |
