2001 Alfa Romeo 156 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 156 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 227 more horse power than 2001 Alfa Romeo 156. (113 HP @ 6200 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2001 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 300 kg more than 2001 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 266 more torque (in Nm) than 2001 Alfa Romeo 156. (144 Nm @ 4500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 156.
Compare all specifications:
| 2001 Alfa Romeo 156 | 2006 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S4 |
| Year Released | 2001 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 113 HP | 340 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 144 Nm | 410 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.6 mm |
| Engine Stroke Size | 75.6 mm | 93 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1230 kg | 1530 kg |
| Vehicle Length | 4440 mm | 4590 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Tank Capacity | 63 L | 63 L |
