2009 Porsche 911 vs. 1986 Renault 21
To start off, 2009 Porsche 911 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (321 HP @ 6800 RPM) has 246 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 575 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Porsche 911 (370 Nm @ 4250 RPM) has 241 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2009 Porsche 911 has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Porsche 911 | 1986 Renault 21 | |
| Make | Porsche | Renault |
| Model | 911 | 21 |
| Year Released | 2009 | 1986 |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 75 HP |
| Engine RPM | 6800 RPM | 5000 RPM |
| Torque | 370 Nm | 129 Nm |
| Torque RPM | 4250 RPM | 3250 RPM |
| Engine Bore Size | 96 mm | 81 mm |
| Engine Stroke Size | 82.8 mm | 83.5 mm |
| Engine Compression Ratio | 11.3:1 | 9.2:1 |
| Top Speed | 275 km/hour | 176 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 12 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1530 kg | 955 kg |
| Vehicle Length | 4430 mm | 4470 mm |
| Vehicle Width | 1320 mm | 1710 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 2360 mm | 2670 mm |
| Fuel Tank Capacity | 67 L | 66 L |
