2009 Audi A4 vs. 1985 Renault 25
To start off, 2009 Audi A4 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 124 more horse power than 1985 Renault 25. (63 HP @ 4500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 465 kg more than 1985 Renault 25. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Audi A4 (400 Nm @ 1400 RPM) has 271 more torque (in Nm) than 1985 Renault 25. (129 Nm @ 2250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 25.
Compare all specifications:
| 2009 Audi A4 | 1985 Renault 25 | |
| Make | Audi | Renault |
| Model | A4 | 25 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 187 HP | 63 HP |
| Engine RPM | 3500 RPM | 4500 RPM |
| Torque | 400 Nm | 129 Nm |
| Torque RPM | 1400 RPM | 2250 RPM |
| Engine Bore Size | 82.6 mm | 86.1 mm |
| Engine Stroke Size | 84.1 mm | 89 mm |
| Engine Compression Ratio | 17.5:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1180 kg |
| Vehicle Length | 4710 mm | 4630 mm |
| Vehicle Width | 1830 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
| Fuel Tank Capacity | 65 L | 38 L |
