1997 Audi A4 vs. 1975 Renault 15
To start off, 1997 Audi A4 is newer by 22 year(s). Which means there will be less support and parts availability for 1975 Renault 15. In addition, the cost of maintenance, including insurance, on 1975 Renault 15 would be higher. At 2,393 cc (6 cylinders), 1997 Audi A4 is equipped with a bigger engine. In terms of performance, 1997 Audi A4 (163 HP @ 6000 RPM) has 104 more horse power than 1975 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1997 Audi A4 should accelerate faster than 1975 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1997 Audi A4 weights approximately 310 kg more than 1975 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, 1997 Audi A4 (234 Nm @ 3200 RPM) has 135 more torque (in Nm) than 1975 Renault 15. (99 Nm @ 3500 RPM). This means 1997 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Renault 15.
Compare all specifications:
| 1997 Audi A4 | 1975 Renault 15 | |
| Make | Audi | Renault |
| Model | A4 | 15 |
| Year Released | 1997 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 59 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 234 Nm | 99 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 81.1 mm | 75 mm |
| Engine Stroke Size | 77.4 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1275 kg | 965 kg |
| Vehicle Length | 4490 mm | 4270 mm |
| Vehicle Width | 1740 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1320 mm |
| Wheelbase Size | 2620 mm | 2440 mm |
| Fuel Tank Capacity | 55 L | 55 L |
