2005 Mercedes-Benz S vs. 1979 Renault 15
To start off, 2005 Mercedes-Benz S is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Renault 15. In addition, the cost of maintenance, including insurance, on 1979 Renault 15 would be higher. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP @ 4200 RPM) has 434 more horse power than 1979 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 1979 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 985 kg more than 1979 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 Mercedes-Benz S (700 Nm @ 2750 RPM) has 602 more torque (in Nm) than 1979 Renault 15. (98 Nm @ 3500 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1979 Renault 15.
Compare all specifications:
| 2005 Mercedes-Benz S | 1979 Renault 15 | |
| Make | Mercedes-Benz | Renault |
| Model | S | 15 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 5441 cc | 1289 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 59 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 700 Nm | 98 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 75 mm |
| Engine Stroke Size | 92 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1950 kg | 965 kg |
| Vehicle Length | 5170 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1320 mm |
| Wheelbase Size | 3090 mm | 2440 mm |
| Fuel Tank Capacity | 88 L | 55 L |
