2005 Alfa Romeo 159 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 144 more horse power than 2005 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 Alfa Romeo 159.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 25 more torque (in Nm) than 2005 Alfa Romeo 159. (385 Nm @ 2000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 159.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2007 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | S4 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4163 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 197 HP | 341 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 385 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82.1 mm | 84.6 mm |
| Engine Stroke Size | 90.4 mm | 92.7 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4670 mm | 4590 mm |
| Vehicle Width | 1830 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Tank Capacity | 70 L | 63 L |
