1985 BMW 628 vs. 1977 Renault 15
To start off, 1985 BMW 628 is newer by 8 year(s). Which means there will be less support and parts availability for 1977 Renault 15. In addition, the cost of maintenance, including insurance, on 1977 Renault 15 would be higher. At 2,788 cc (6 cylinders), 1985 BMW 628 is equipped with a bigger engine. In terms of performance, 1985 BMW 628 (181 HP @ 6000 RPM) has 122 more horse power than 1977 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1985 BMW 628 should accelerate faster than 1977 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1985 BMW 628 weights approximately 505 kg more than 1977 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, 1985 BMW 628 (240 Nm @ 4000 RPM) has 142 more torque (in Nm) than 1977 Renault 15. (98 Nm @ 3500 RPM). This means 1985 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1977 Renault 15.
Compare all specifications:
| 1985 BMW 628 | 1977 Renault 15 | |
| Make | BMW | Renault |
| Model | 628 | 15 |
| Year Released | 1985 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 59 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 240 Nm | 98 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 80 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1470 kg | 965 kg |
| Vehicle Length | 4760 mm | 4270 mm |
| Vehicle Width | 1730 mm | 1640 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2640 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 55 L |
