2005 Audi A6 vs. 1971 Renault 15
To start off, 2005 Audi A6 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 3,121 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 163 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 520 kg more than 1971 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 A6 (330 Nm @ 3250 RPM) has 205 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2005 Audi A6 | 1971 Renault 15 | |
| Make | Audi | Renault |
| Model | A6 | 15 |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 1565 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 252 HP | 89 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 125 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 77 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 13.0:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1540 kg | 1020 kg |
| Vehicle Length | 4920 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1320 mm |
| Wheelbase Size | 2770 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 38 L |
