2003 Alfa Romeo 156 vs. 2004 Audi S4
To start off, 2004 Audi S4 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 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 202 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 555 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.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 247 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm). This means 2004 Audi S4 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 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S4 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 340 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 164 Nm | 411 Nm |
| Engine Bore Size | 82 mm | 85 mm |
| Engine Stroke Size | 82.7 mm | 93 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1895 kg |
| Vehicle Length | 4440 mm | 4580 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Consumption Overall | 8.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
