2008 Audi S4 vs. 2005 BMW M3
To start off, 2008 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 20 more horse power than 2005 BMW M3. (320 HP @ 7400 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2005 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 530 kg more than 2008 Audi S4.
Because 2008 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, 2008 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, 2008 Audi S4 (410 Nm) has 73 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2008 Audi S4 | 2005 BMW M3 | |
| Make | Audi | BMW |
| Model | S4 | M3 |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3244 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 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 | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1690 kg |
| Vehicle Length | 4580 mm | 4500 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 18.1 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
