2004 Audi S4 vs. 2005 BMW M3
To start off, 2005 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,170 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 19 more horse power than 2005 BMW M3. (320 HP @ 7400 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2005 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 65 kg more than 2005 BMW M3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW M3. In wet, icy, snow, or gravel driving conditions, 2004 Audi S4 will offer significantly more control. 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, 2004 Audi S4 (410 Nm) has 73 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2004 Audi S4 | 2005 BMW M3 | |
| Make | Audi | BMW |
| Model | S4 | M3 |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3244 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 320 HP |
| Engine RPM | 7000 RPM | 7400 RPM |
| Torque | 410 Nm | 337 Nm |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1755 kg | 1690 kg |
| Vehicle Length | 4590 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2430 mm | 2740 mm |
| Fuel Consumption | 9.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 17.9 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 12.3 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
