2008 Audi RS6 vs. 1981 Subaru Rex
To start off, 2008 Audi RS6 is newer by 27 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 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 413 more horse power than 1981 Subaru Rex. (31 HP @ 6000 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 1981 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 1400 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 2008 Audi RS6 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, 2008 Audi RS6 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, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 517 more torque (in Nm) than 1981 Subaru Rex. (43 Nm @ 3500 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Subaru Rex.
Compare all specifications:
| 2008 Audi RS6 | 1981 Subaru Rex | |
| Make | Audi | Subaru |
| Model | RS6 | Rex |
| Year Released | 2008 | 1981 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 543 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 31 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 560 Nm | 43 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 76 mm |
| Engine Stroke Size | 93 mm | 60 mm |
| Engine Compression Ratio | 9.0:1 | 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 | 1955 kg | 555 kg |
| Vehicle Length | 4840 mm | 3250 mm |
| Vehicle Width | 1860 mm | 1400 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2770 mm | 2260 mm |
