2005 Audi A4 vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (247 HP @ 6300 RPM) has 19 more horse power than 2009 Mazda RX-8. (228 HP @ 8200 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2009 Mazda RX-8.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2005 Audi A4 (320 Nm @ 3250 RPM) has 109 more torque (in Nm) than 2009 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8.
Compare all specifications:
| 2005 Audi A4 | 2009 Mazda RX-8 | |
| Make | Audi | Mazda |
| Model | A4 | RX-8 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1306 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 247 HP | 228 HP |
| Engine RPM | 6300 RPM | 8200 RPM |
| Torque | 320 Nm | 211 Nm |
| Torque RPM | 3250 RPM | 5500 RPM |
| Engine Bore Size | 84.5 mm | 78 mm |
| Engine Stroke Size | 92.8 mm | 83.6 mm |
| Engine Compression Ratio | 13.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
