2009 Audi S4 vs. 2004 BMW 320
To start off, 2009 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 320. In addition, the cost of maintenance, including insurance, on 2004 BMW 320 would be higher. At 4,163 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 7000 RPM) has 172 more horse power than 2004 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 2004 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 540 kg more than 2009 Audi S4.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 320. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi S4 (410 Nm @ 3500 RPM) has 200 more torque (in Nm) than 2004 BMW 320. (210 Nm @ 3500 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 320. 2004 BMW 320 has automatic transmission and 2009 Audi S4 has manual transmission. 2009 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S4 | 2004 BMW 320 | |
| Make | Audi | BMW |
| Model | S4 | 320 |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 168 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 410 Nm | 210 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.6 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 72 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1470 kg |
| Vehicle Length | 4580 mm | 4490 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
