2009 Audi R8 vs. 2003 Mazda Roadster
To start off, 2009 Audi R8 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Mazda Roadster. In addition, the cost of maintenance, including insurance, on 2003 Mazda Roadster would be higher. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (420 HP @ 7800 RPM) has 297 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda Roadster weights approximately 135 kg more than 2009 Audi R8.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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 R8 (430 Nm @ 4500 RPM) has 288 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2009 Audi R8 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | R8 | Roadster |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 123 HP |
| Engine RPM | 7800 RPM | 6500 RPM |
| Torque | 430 Nm | 142 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Engine Compression Ratio | 12.5:1 | 9.4:1 |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 895 kg | 1030 kg |
| Vehicle Length | 4440 mm | 3960 mm |
| Vehicle Width | 1910 mm | 1690 mm |
| Vehicle Height | 1260 mm | 1240 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 48 L |
