2007 Audi S4 vs. 2008 BMW 320
To start off, 2008 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 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 (341 HP @ 7000 RPM) has 193 more horse power than 2008 BMW 320. (148 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2008 BMW 320.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 80 more torque (in Nm) than 2008 BMW 320. (330 Nm @ 2000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2007 Audi S4 | 2008 BMW 320 | |
| Make | Audi | BMW |
| Model | S4 | 320 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Convertible |
| 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 | 341 HP | 148 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 84.1 mm |
| Engine Stroke Size | 92.7 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4590 mm | 4490 mm |
| Vehicle Width | 1730 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2650 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 63 L |
