2008 Audi A4 vs. 2003 Mazda Roadster
To start off, 2008 Audi A4 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 2,965 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (222 HP @ 4000 RPM) has 99 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 400 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 A4 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 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, 2008 Audi A4 (450 Nm @ 1400 RPM) has 308 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2008 Audi A4 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | A4 | Roadster |
| Year Released | 2008 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 222 HP | 123 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 450 Nm | 142 Nm |
| Torque RPM | 1400 RPM | 5000 RPM |
| Engine Bore Size | 83 mm | 78 mm |
| Engine Stroke Size | 91.4 mm | 83.6 mm |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1030 kg |
| Vehicle Length | 4550 mm | 3960 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1240 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 48 L |
