2009 Audi A8 vs. 2005 Mazda RX-8
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2005 Mazda RX-8 would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 247 more horse power than 2005 Mazda RX-8. (197 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 610 kg more than 2005 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 2009 Audi A8 (580 Nm @ 4000 RPM) has 358 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8.
Compare all specifications:
| 2009 Audi A8 | 2005 Mazda RX-8 | |
| Make | Audi | Mazda |
| Model | A8 | RX-8 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1311 cc |
| Engine Type | W | dual-disk rotary |
| Horse Power | 444 HP | 197 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 222 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 1385 kg |
| Vehicle Length | 5070 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 3080 mm | 2680 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
