1984 Ford Sierra vs. 2003 Mazda Roadster
To start off, 2003 Mazda Roadster is newer by 19 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 1,839 cc (4 cylinders), 2003 Mazda Roadster is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (157 HP @ 7000 RPM) has 82 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM) In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda Roadster weights approximately 20 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2003 Mazda Roadster (170 Nm @ 5500 RPM) has 51 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 2003 Mazda Roadster will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2003 Mazda Roadster | |
| Make | Ford | Mazda |
| Model | Sierra | Roadster |
| Year Released | 1984 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1608 cc | 1839 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 157 HP |
| Engine RPM | 5300 RPM | 7000 RPM |
| Torque | 119 Nm | 170 Nm |
| Torque RPM | 2900 RPM | 5500 RPM |
| Engine Bore Size | 87.8 mm | 83 mm |
| Engine Stroke Size | 66 mm | 85 mm |
| Engine Compression Ratio | 9.2:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1060 kg |
| Vehicle Length | 4500 mm | 3960 mm |
| Vehicle Width | 1720 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1240 mm |
| Wheelbase Size | 2610 mm | 2370 mm |
| Fuel Tank Capacity | 60 L | 48 L |
