1984 Ford Sierra vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 21 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 2,792 cc (6 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (160 HP @ 5700 RPM) has 41 more horse power than 2005 Mazda 6. (119 HP @ 3500 RPM). In normal driving conditions, 1984 Ford Sierra should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 308 kg more than 1984 Ford Sierra.
Because 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2005 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Mazda 6 (323 Nm @ 2000 RPM) has 107 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2005 Mazda 6 | |
| Make | Ford | Mazda |
| Model | Sierra | 6 |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 119 HP |
| Engine RPM | 5700 RPM | 3500 RPM |
| Torque | 216 Nm | 323 Nm |
| Torque RPM | 4300 RPM | 2000 RPM |
| Engine Bore Size | 93.1 mm | 86 mm |
| Engine Stroke Size | 68.5 mm | 86 mm |
| Engine Compression Ratio | 9.2:1 | 18.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1180 kg | 1488 kg |
| Vehicle Length | 4430 mm | 4690 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1490 mm |
| Wheelbase Size | 2610 mm | 2630 mm |
