2009 Mazda 6 vs. 1981 Subaru Rex
To start off, 2009 Mazda 6 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Subaru Rex. In addition, the cost of maintenance, including insurance, on 1981 Subaru Rex would be higher. At 2,261 cc (4 cylinders), 2009 Mazda 6 is equipped with a bigger engine. In terms of performance, 2009 Mazda 6 (161 HP @ 6500 RPM) has 130 more horse power than 1981 Subaru Rex. (31 HP @ 6000 RPM). In normal driving conditions, 2009 Mazda 6 should accelerate faster than 1981 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda 6 weights approximately 1050 kg more than 1981 Subaru Rex. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Subaru Rex. In wet, icy, snow, or gravel driving conditions, 2009 Mazda 6 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 Mazda 6 (205 Nm @ 4000 RPM) has 162 more torque (in Nm) than 1981 Subaru Rex. (43 Nm @ 3500 RPM). This means 2009 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Subaru Rex.
Compare all specifications:
| 2009 Mazda 6 | 1981 Subaru Rex | |
| Make | Mazda | Subaru |
| Model | 6 | Rex |
| Year Released | 2009 | 1981 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 543 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 31 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 205 Nm | 43 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 87.5 mm | 76 mm |
| Engine Stroke Size | 94 mm | 60 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1605 kg | 555 kg |
| Vehicle Length | 4710 mm | 3250 mm |
| Vehicle Width | 1790 mm | 1400 mm |
| Vehicle Height | 1500 mm | 1360 mm |
| Wheelbase Size | 2680 mm | 2260 mm |
