1971 Renault 15 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 40 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 1,589 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (104 HP @ 6000 RPM) has 15 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 210 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, 2011 Opel Astra (150 Nm @ 3900 RPM) has 25 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1971 Renault 15 | 2011 Opel Astra | |
| Make | Renault | Opel |
| Model | 15 | Astra |
| Year Released | 1971 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1565 cc | 1589 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 104 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 125 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3900 RPM |
| Engine Bore Size | 77 mm | 79.1 mm |
| Engine Stroke Size | 84 mm | 81.5 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1020 kg | 1230 kg |
| Vehicle Length | 4260 mm | 4260 mm |
| Vehicle Width | 1640 mm | 1760 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2620 mm |
| Fuel Tank Capacity | 38 L | 52 L |
