2007 Audi S8 vs. 2005 Porsche Boxster
To start off, 2007 Audi S8 is newer by 2 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 204 more horse power than 2005 Porsche Boxster. (240 HP @ 6600 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 645 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 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm) has 269 more torque (in Nm) than 2005 Porsche Boxster. (271 Nm). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2007 Audi S8 | 2005 Porsche Boxster | |
| Make | Audi | Porsche |
| Model | S8 | Boxster |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5204 cc | 2688 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 240 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 540 Nm | 271 Nm |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1295 kg |
| Vehicle Length | 5070 mm | 4330 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2950 mm | 2420 mm |
| Fuel Tank Capacity | 90 L | 53 L |
