2005 Audi S4 vs. 2003 Mazda Roadster
To start off, 2005 Audi S4 is newer by 2 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), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 217 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 740 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.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 268 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2005 Audi S4 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | S4 | Roadster |
| Year Released | 2005 | 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 | 340 HP | 123 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 410 Nm | 142 Nm |
| Engine Bore Size | 85 mm | 78 mm |
| Engine Stroke Size | 93 mm | 83.6 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1030 kg |
| Vehicle Length | 4550 mm | 3960 mm |
| Vehicle Width | 1770 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1240 mm |
| Wheelbase Size | 2770 mm | 2270 mm |
| Fuel Tank Capacity | 66 L | 48 L |
