2007 Audi S4 vs. 2006 BMW 318
To start off, 2007 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 318. In addition, the cost of maintenance, including insurance, on 2006 BMW 318 would be higher. At 4,161 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 199 more horse power than 2006 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2006 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 135 kg more than 2006 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 2006 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 2006 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 2006 BMW 318. 2007 Audi S4 has automatic transmission and 2006 BMW 318 has manual transmission. 2006 BMW 318 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2006 BMW 318 | |
| Make | Audi | BMW |
| Model | S4 | 318 |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 141 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 410 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1395 kg |
| Vehicle Length | 4590 mm | 4490 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 13.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
