2007 Audi A4 vs. 1971 Renault 15
To start off, 2007 Audi A4 is newer by 36 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 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 166 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 860 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 205 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2007 Audi A4 | 1971 Renault 15 | |
| Make | Audi | Renault |
| Model | A4 | 15 |
| Year Released | 2007 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1565 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 89 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 125 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 77 mm |
| Engine Stroke Size | 96 mm | 84 mm |
| Engine Compression Ratio | 11.3:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1880 kg | 1020 kg |
| Vehicle Length | 4590 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 38 L |
