2007 Audi A8 vs. 2003 Mazda Roadster
To start off, 2007 Audi A8 is newer by 4 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 3,936 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (271 HP @ 3750 RPM) has 148 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 910 kg more than 2003 Mazda Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A8 (651 Nm @ 1800 RPM) has 509 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2007 Audi A8 has automatic transmission and 2003 Mazda Roadster has manual transmission. 2003 Mazda Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | A8 | Roadster |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 271 HP | 123 HP |
| Engine RPM | 3750 RPM | 6500 RPM |
| Torque | 651 Nm | 142 Nm |
| Torque RPM | 1800 RPM | 5000 RPM |
| Engine Bore Size | 81 mm | 78 mm |
| Engine Stroke Size | 95.5 mm | 83.6 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1030 kg |
| Vehicle Length | 5190 mm | 3960 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1240 mm |
| Wheelbase Size | 2950 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 48 L |
