2009 Audi Q7 vs. 2003 Mazda Roadster
To start off, 2009 Audi Q7 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 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (229 HP @ 4000 RPM) has 81 more horse power than 2003 Mazda Roadster. (148 HP @ 7000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1290 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 2009 Audi Q7 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, 2009 Audi Q7 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 Q7 (500 Nm @ 1750 RPM) has 333 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2009 Audi Q7 | 2003 Mazda Roadster | |
| Make | Audi | Mazda |
| Model | Q7 | Roadster |
| Year Released | 2009 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1838 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 229 HP | 148 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 500 Nm | 167 Nm |
| Torque RPM | 1750 RPM | 5500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2370 kg | 1080 kg |
| Vehicle Length | 5090 mm | 3960 mm |
| Vehicle Width | 1990 mm | 1690 mm |
| Vehicle Height | 1740 mm | 1240 mm |
| Wheelbase Size | 3010 mm | 2270 mm |
| Fuel Tank Capacity | 100 L | 48 L |
