2009 Audi A5 vs. 1984 Subaru Rex
To start off, 2009 Audi A5 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Subaru Rex. In addition, the cost of maintenance, including insurance, on 1984 Subaru Rex would be higher. At 2,698 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (187 HP @ 3500 RPM) has 156 more horse power than 1984 Subaru Rex. (31 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1984 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 1017 kg more than 1984 Subaru Rex. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2009 Audi A5 (400 Nm @ 1400 RPM) has 357 more torque (in Nm) than 1984 Subaru Rex. (43 Nm @ 3500 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1984 Subaru Rex.
Compare all specifications:
| 2009 Audi A5 | 1984 Subaru Rex | |
| Make | Audi | Subaru |
| Model | A5 | Rex |
| Year Released | 2009 | 1984 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 544 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 187 HP | 31 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 400 Nm | 43 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 76 mm |
| Engine Stroke Size | 83.1 mm | 60 mm |
| Engine Compression Ratio | 16.8:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1575 kg | 558 kg |
| Vehicle Length | 4630 mm | 3250 mm |
| Vehicle Width | 1860 mm | 1400 mm |
| Vehicle Height | 1380 mm | 1360 mm |
| Wheelbase Size | 2760 mm | 2260 mm |
