2009 Audi S4 vs. 2013 Porsche Boxter
To start off, 2013 Porsche Boxter 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. In terms of performance, 2009 Audi S4 (340 HP @ 7000 RPM) has 79 more horse power than 2013 Porsche Boxter. (261 HP @ 6700 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 2013 Porsche Boxter. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche Boxter weights approximately 380 kg more than 2009 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 131 more torque (in Nm) than 2013 Porsche Boxter. (279 Nm @ 6500 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2013 Porsche Boxter.
Compare all specifications:
| 2009 Audi S4 | 2013 Porsche Boxter | |
| Make | Audi | Porsche |
| Model | S4 | Boxter |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Middle |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 261 HP |
| Engine RPM | 7000 RPM | 6700 RPM |
| Torque | 410 Nm | 279 Nm |
| Torque RPM | 3500 RPM | 6500 RPM |
| Engine Bore Size | 84.6 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 72 mm |
| Engine Compression Ratio | 18.0:1 | 12.5 : 1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1310 kg |
| Vehicle Length | 4580 mm | 4374 mm |
| Vehicle Width | 1780 mm | 1979 mm |
| Vehicle Height | 1400 mm | 1282 mm |
| Wheelbase Size | 2660 mm | 2475 mm |
| Fuel Consumption Highway | 12.4 L/100km | 6.3 L/100km |
| Fuel Consumption City | 18.1 L/100km | 11.4 L/100km |
