2003 Alfa Romeo 156 vs. 2004 Chevrolet Impala
To start off, 2004 Chevrolet Impala is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 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 38 more horse power than 2003 Alfa Romeo 156. (162 HP @ 6400 RPM) In normal driving conditions, 2004 Chevrolet Impala should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Chevrolet Impala weights approximately 255 kg more than 2003 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, 2004 Chevrolet Impala (305 Nm) has 99 more torque (in Nm) than 2003 Alfa Romeo 156. (206 Nm). This means 2004 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2004 Chevrolet Impala | |
| Make | Alfa Romeo | Chevrolet |
| Model | 156 | Impala |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 200 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 206 Nm | 305 Nm |
| Engine Bore Size | 83 mm | 97.1 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 9.4:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 1540 kg |
| Vehicle Length | 4440 mm | 5090 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2880 mm |
| Fuel Consumption | 6.6 L/100km | 7.8 L/100km |
| Fuel Consumption City | 12.2 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
