1996 BMW 725 vs. 1979 Renault 15
To start off, 1996 BMW 725 is newer by 17 year(s). Which means there will be less support and parts availability for 1979 Renault 15. In addition, the cost of maintenance, including insurance, on 1979 Renault 15 would be higher. At 2,498 cc (6 cylinders), 1996 BMW 725 is equipped with a bigger engine. In terms of performance, 1996 BMW 725 (141 HP @ 4600 RPM) has 82 more horse power than 1979 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1996 BMW 725 should accelerate faster than 1979 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1996 BMW 725 weights approximately 820 kg more than 1979 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, 1996 BMW 725 (280 Nm @ 2200 RPM) has 182 more torque (in Nm) than 1979 Renault 15. (98 Nm @ 3500 RPM). This means 1996 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1979 Renault 15.
Compare all specifications:
| 1996 BMW 725 | 1979 Renault 15 | |
| Make | BMW | Renault |
| Model | 725 | 15 |
| Year Released | 1996 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2498 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 59 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 280 Nm | 98 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 80.1 mm | 75 mm |
| Engine Stroke Size | 83 mm | 69 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1785 kg | 965 kg |
| Vehicle Length | 5130 mm | 4260 mm |
| Vehicle Width | 1870 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2940 mm | 2440 mm |
