2007 Audi S8 vs. 2004 BMW 320
To start off, 2007 Audi S8 is newer by 3 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 302 more horse power than 2004 BMW 320. (142 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2004 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 450 kg more than 2004 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 BMW 320. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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 S8 (540 Nm @ 3400 RPM) has 210 more torque (in Nm) than 2004 BMW 320. (330 Nm @ 2000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 320.
Compare all specifications:
| 2007 Audi S8 | 2004 BMW 320 | |
| Make | Audi | BMW |
| Model | S8 | 320 |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1995 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 142 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 540 Nm | 330 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 12.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 260 km/hour | 211 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 8.8 seconds |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1490 kg |
| Vehicle Length | 5070 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Tank Capacity | 90 L | 63 L |
