2008 Audi S4 vs. 2005 Porsche Boxster
To start off, 2008 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2005 Porsche Boxster would be higher. At 4,161 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 60 more horse power than 2005 Porsche Boxster. (280 HP @ 6200 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2005 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 360 kg more than 2005 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2005 Porsche Boxster. (320 Nm @ 4700 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2008 Audi S4 | 2005 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | S4 | Boxster |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 280 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 410 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 4700 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 268 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 5.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1705 kg | 1345 kg |
| Vehicle Length | 4590 mm | 4340 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2650 mm | 2420 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 63 L | 53 L |
