2005 Audi S4 vs. 2006 BMW 523
To start off, 2006 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP) has 165 more horse power than 2006 BMW 523. (175 HP). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2006 BMW 523.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 180 more torque (in Nm) than 2006 BMW 523. (230 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2005 Audi S4 | 2006 BMW 523 | |
| Make | Audi | BMW |
| Model | S4 | 523 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 175 HP |
| Torque | 410 Nm | 230 Nm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
