2005 BMW X5 vs. 1975 Renault 15
To start off, 2005 BMW X5 is newer by 30 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 156 more horse power than 1975 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1975 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1205 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 421 more torque (in Nm) than 1975 Renault 15. (99 Nm @ 3500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1975 Renault 15.
Compare all specifications:
| 2005 BMW X5 | 1975 Renault 15 | |
| Make | BMW | Renault |
| Model | X5 | 15 |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 59 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 520 Nm | 99 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 90 mm | 69 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2170 kg | 965 kg |
| Vehicle Length | 4670 mm | 4270 mm |
| Vehicle Width | 1880 mm | 1640 mm |
| Vehicle Height | 1720 mm | 1320 mm |
| Wheelbase Size | 2830 mm | 2440 mm |
| Fuel Tank Capacity | 93 L | 55 L |
