2007 Audi S4 vs. 2009 BMW 120
To start off, 2009 BMW 120 is newer by 2 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 187 more horse power than 2009 BMW 120. (154 HP @ 6700 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2009 BMW 120.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 210 more torque (in Nm) than 2009 BMW 120. (200 Nm @ 4250 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 120.
Compare all specifications:
| 2007 Audi S4 | 2009 BMW 120 | |
| Make | Audi | BMW |
| Model | S4 | 120 |
| Year Released | 2007 | 2009 |
| 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 | 154 HP |
| Engine RPM | 7000 RPM | 6700 RPM |
| Torque | 410 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84.6 mm | 84.1 mm |
| Engine Stroke Size | 92.7 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Length | 4590 mm | 4250 mm |
| Vehicle Width | 1730 mm | 1430 mm |
| Vehicle Height | 1430 mm | 1750 mm |
| Wheelbase Size | 2650 mm | 2670 mm |
| Fuel Tank Capacity | 63 L | 53 L |
