1981 BMW 725 vs. 2012 Audi RS5
To start off, 2012 Audi RS5 is newer by 31 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 4,200 cc (8 cylinders), 2012 Audi RS5 is equipped with a bigger engine. In terms of performance, 2012 Audi RS5 (354 HP @ 7000 RPM) has 206 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2012 Audi RS5 should accelerate faster than 1981 BMW 725.
Because 2012 Audi RS5 is all wheel drive (AWD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2012 Audi RS5 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, 2012 Audi RS5 (440 Nm @ 3500 RPM) has 225 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2012 Audi RS5 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2012 Audi RS5 | |
| Make | BMW | Audi |
| Model | 725 | RS5 |
| Year Released | 1981 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 4200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 354 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 215 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 4625 mm |
| Vehicle Width | 1810 mm | 1854 mm |
| Vehicle Height | 1440 mm | 1372 mm |
| Wheelbase Size | 2810 mm | 2751 mm |
