2008 Audi R8 vs. 1981 BMW 725
To start off, 2008 Audi R8 is newer by 27 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 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (414 HP @ 7800 RPM) has 266 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2008 Audi R8 should accelerate faster than 1981 BMW 725.
Because 2008 Audi R8 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, 2008 Audi R8 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 R8 (431 Nm @ 4500 RPM) has 216 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
2008 Audi R8 | 1981 BMW 725 | |
Make | Audi | BMW |
Model | R8 | 725 |
Year Released | 2008 | 1981 |
Body Type | Coupe | Sedan |
Engine Position | Middle | Front |
Engine Size | 4163 cc | 2493 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 414 HP | 148 HP |
Engine RPM | 7800 RPM | 5500 RPM |
Torque | 431 Nm | 215 Nm |
Torque RPM | 4500 RPM | 4000 RPM |
Engine Bore Size | 84.5 mm | 86 mm |
Engine Stroke Size | 92.8 mm | 71.6 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | AWD | Rear |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 4440 mm | 4870 mm |
Vehicle Width | 1910 mm | 1810 mm |
Vehicle Height | 1260 mm | 1440 mm |
Wheelbase Size | 2660 mm | 2810 mm |