2006 BMW 745 vs. 1971 Renault 15
To start off, 2006 BMW 745 is newer by 35 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 4,423 cc (8 cylinders), 2006 BMW 745 is equipped with a bigger engine. In terms of performance, 2006 BMW 745 (325 HP @ 3800 RPM) has 236 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 745 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 745 weights approximately 1095 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, 2006 BMW 745 (700 Nm @ 1900 RPM) has 575 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2006 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2006 BMW 745 | 1971 Renault 15 | |
| Make | BMW | Renault |
| Model | 745 | 15 |
| Year Released | 2006 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4423 cc | 1565 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 89 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 700 Nm | 125 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Compression Ratio | 17.0:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 2115 kg | 1020 kg |
| Vehicle Length | 5050 mm | 4260 mm |
| Vehicle Width | 1910 mm | 1640 mm |
| Vehicle Height | 1500 mm | 1320 mm |
| Wheelbase Size | 3000 mm | 2440 mm |
| Fuel Tank Capacity | 88 L | 38 L |
