2008 Audi A8 vs. 2003 Mazda Roadster
To start off, 2008 Audi A8 is newer by 5 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), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (350 HP @ 6800 RPM) has 232 more horse power than 2003 Mazda Roadster. (118 HP @ 6500 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 930 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 2008 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, 2008 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, 2008 Audi A8 (442 Nm @ 3500 RPM) has 302 more torque (in Nm) than 2003 Mazda Roadster. (140 Nm @ 5000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2008 Audi A8 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | A8 | Roadster |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 118 HP |
| Engine RPM | 6800 RPM | 6500 RPM |
| Torque | 442 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 78 mm |
| Engine Stroke Size | 92.8 mm | 83.6 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1960 kg | 1030 kg |
| Vehicle Length | 5070 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 |
