2005 Audi S4 vs. 2013 BMW M3
To start off, 2013 BMW M3 is newer by 8 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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2013 BMW M3 (408 HP @ 8300 RPM) has 68 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2013 BMW M3 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M3 weights approximately 40 kg more than 2005 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 10 more torque (in Nm) than 2013 BMW M3. (400 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW M3.
Compare all specifications:
| 2005 Audi S4 | 2013 BMW M3 | |
| Make | Audi | BMW |
| Model | S4 | M3 |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 3999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 408 HP |
| Engine RPM | 6300 RPM | 8300 RPM |
| Torque | 410 Nm | 400 Nm |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 12.0 : 1 |
| Vehicle Weight | 1840 kg | 1880 kg |
| Vehicle Length | 4580 mm | 4618 mm |
| Vehicle Width | 1780 mm | 1976 mm |
| Vehicle Height | 1400 mm | 1392 mm |
| Wheelbase Size | 2660 mm | 2761 mm |
| Fuel Consumption Highway | 10.2 L/100km | 10.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
