2005 Alfa Romeo 147 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 147. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 147 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 101 more horse power than 2005 Alfa Romeo 147. (240 HP @ 6200 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 Alfa Romeo 147.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 121 more torque (in Nm) than 2005 Alfa Romeo 147. (289 Nm @ 4800 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2007 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 147 | S4 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 240 HP | 341 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 289 Nm | 410 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.6 mm |
| Engine Stroke Size | 78 mm | 92.7 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 246 km/hour | 249 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Length | 4220 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Tank Capacity | 63 L | 63 L |
