2007 Audi S4 vs. 2004 BMW 318
To start off, 2007 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 318. In addition, the cost of maintenance, including insurance, on 2004 BMW 318 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 (339 HP @ 7000 RPM) has 191 more horse power than 2004 BMW 318. (148 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2004 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 235 kg more than 2004 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 318. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 210 more torque (in Nm) than 2004 BMW 318. (200 Nm @ 3750 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 318.
Compare all specifications:
| 2007 Audi S4 | 2004 BMW 318 | |
| Make | Audi | BMW |
| Model | S4 | 318 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 148 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.8 seconds | 9.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1710 kg | 1475 kg |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2650 mm | 2670 mm |
| Fuel Consumption Overall | 12.3 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
