1992 BMW 850 vs. 1971 Renault 15
To start off, 1992 BMW 850 is newer by 21 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 4,988 cc (12 cylinders), 1992 BMW 850 is equipped with a bigger engine. In terms of performance, 1992 BMW 850 (296 HP @ 5200 RPM) has 207 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 1992 BMW 850 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 850 weights approximately 770 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, 1992 BMW 850 (450 Nm @ 4100 RPM) has 325 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 1992 BMW 850 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1992 BMW 850 | 1971 Renault 15 | |
| Make | BMW | Renault |
| Model | 850 | 15 |
| Year Released | 1992 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4988 cc | 1565 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 89 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 450 Nm | 125 Nm |
| Torque RPM | 4100 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 77 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 8.8:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1790 kg | 1020 kg |
| Vehicle Length | 4790 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1350 mm | 1320 mm |
| Wheelbase Size | 2690 mm | 2440 mm |
| Fuel Tank Capacity | 52 L | 38 L |
