1978 Mercedes-Benz S vs. 1973 Renault 15
To start off, 1978 Mercedes-Benz S is newer by 5 year(s). Which means there will be less support and parts availability for 1973 Renault 15. In addition, the cost of maintenance, including insurance, on 1973 Renault 15 would be higher. At 2,746 cc (6 cylinders), 1978 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1978 Mercedes-Benz S (157 HP @ 5500 RPM) has 98 more horse power than 1973 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1978 Mercedes-Benz S should accelerate faster than 1973 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercedes-Benz S weights approximately 645 kg more than 1973 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, 1978 Mercedes-Benz S (223 Nm @ 4000 RPM) has 125 more torque (in Nm) than 1973 Renault 15. (98 Nm @ 3500 RPM). This means 1978 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1973 Renault 15.
Compare all specifications:
| 1978 Mercedes-Benz S | 1973 Renault 15 | |
| Make | Mercedes-Benz | Renault |
| Model | S | 15 |
| Year Released | 1978 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2746 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 157 HP | 59 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 223 Nm | 98 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 78.8 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1610 kg | 965 kg |
| Vehicle Length | 4740 mm | 4270 mm |
| Vehicle Width | 1880 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2870 mm | 2440 mm |
| Fuel Tank Capacity | 85 L | 55 L |
