2006 Audi S4 vs. 2007 BMW 328
To start off, 2007 BMW 328 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 110 more horse power than 2007 BMW 328. (230 HP @ 6500 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2007 BMW 328. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 328 weights approximately 5 kg more than 2006 Audi S4.
Because 2007 BMW 328 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi S4. In wet, icy, snow, or gravel driving conditions, 2007 BMW 328 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 139 more torque (in Nm) than 2007 BMW 328. (271 Nm @ 2750 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 328.
Compare all specifications:
| 2006 Audi S4 | 2007 BMW 328 | |
| Make | Audi | BMW |
| Model | S4 | 328 |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 230 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 271 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1510 kg | 1515 kg |
