2005 Audi RS6 vs. 1976 Mazda Cosmo
To start off, 2005 Audi RS6 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1976 Mazda Cosmo would be higher. At 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 351 more horse power than 1976 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1976 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 775 kg more than 1976 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1976 Mazda Cosmo. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 430 more torque (in Nm) than 1976 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda Cosmo.
Compare all specifications:
| 2005 Audi RS6 | 1976 Mazda Cosmo | |
| Make | Audi | Mazda |
| Model | RS6 | Cosmo |
| Year Released | 2005 | 1976 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 93 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 580 Nm | 150 Nm |
| Torque RPM | 1950 RPM | 3300 RPM |
| Engine Bore Size | 84.5 mm | 80.1 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1865 kg | 1090 kg |
| Vehicle Length | 4840 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1340 mm |
| Wheelbase Size | 2760 mm | 2520 mm |
| Fuel Tank Capacity | 82 L | 65 L |
