2007 Honda Civic vs. 2003 Mazda Roadster
To start off, 2007 Honda Civic 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 1,838 cc (4 cylinders), 2003 Mazda Roadster is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (148 HP @ 7000 RPM) has 10 more horse power than 2007 Honda Civic. (138 HP @ 6300 RPM) In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 2007 Honda Civic. With that said, vehicle weight also plays an important factor in acceleration. 2007 Honda Civic weights approximately 102 kg more than 2003 Mazda Roadster.
Because 2007 Honda Civic 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 Honda Civic 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 Honda Civic (174 Nm @ 4200 RPM) has 7 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 2007 Honda Civic will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2007 Honda Civic | 2003 Mazda Roadster | |
| Make | Honda | Mazda |
| Model | Civic | Roadster |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 1838 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 148 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 174 Nm | 167 Nm |
| Torque RPM | 4200 RPM | 5500 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 87.3 mm | 85 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1182 kg | 1080 kg |
| Vehicle Length | 4670 mm | 3960 mm |
| Vehicle Height | 1690 mm | 1240 mm |
| Wheelbase Size | 2710 mm | 2270 mm |
| Fuel Tank Capacity | 50 L | 48 L |
