2005 Audi RS6 vs. 1980 Renault 15
To start off, 2005 Audi RS6 is newer by 25 year(s). Which means there will be less support and parts availability for 1980 Renault 15. In addition, the cost of maintenance, including insurance, on 1980 Renault 15 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 385 more horse power than 1980 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1980 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 900 kg more than 1980 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 482 more torque (in Nm) than 1980 Renault 15. (98 Nm @ 3500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1980 Renault 15.
Compare all specifications:
| 2005 Audi RS6 | 1980 Renault 15 | |
| Make | Audi | Renault |
| Model | RS6 | 15 |
| Year Released | 2005 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1289 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 59 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 580 Nm | 98 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 75 mm |
| Engine Stroke Size | 93 mm | 69 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1865 kg | 965 kg |
| Vehicle Length | 4840 mm | 4270 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2760 mm | 2440 mm |
| Fuel Tank Capacity | 82 L | 55 L |
