2009 Audi S4 vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi S4. In addition, the cost of maintenance, including insurance, on 2009 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 6800 RPM) has 44 more horse power than 2013 BMW 3 Series. (296 HP @ 5800 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 2013 BMW 3 Series. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 3 Series weights approximately 765 kg more than 2009 Audi S4.
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 3 more torque (in Nm) than 2013 BMW 3 Series. (407 Nm @ 5000 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 3 Series. 2009 Audi S4 has automatic transmission and 2013 BMW 3 Series has manual transmission. 2013 BMW 3 Series will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S4 | 2013 BMW 3 Series | |
| Make | Audi | BMW |
| Model | S4 | 3 Series |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 296 HP |
| Engine RPM | 6800 RPM | 5800 RPM |
| Torque | 410 Nm | 407 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1695 kg |
| Vehicle Length | 4580 mm | 4620 mm |
| Vehicle Width | 1780 mm | 1961 mm |
| Vehicle Height | 1400 mm | 1395 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Consumption Highway | 11.2 L/100km | 7.4 L/100km |
| Fuel Consumption City | 16.8 L/100km | 11 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
