2007 Mazda 6 vs. 1986 Renault 21
To start off, 2007 Mazda 6 is newer by 21 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 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (118 HP @ 5500 RPM) has 28 more horse power than 1986 Renault 21. (90 HP @ 4250 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 277 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1986 Renault 21 (182 Nm @ 2000 RPM) has 17 more torque (in Nm) than 2007 Mazda 6. (165 Nm @ 4500 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6.
Compare all specifications:
| 2007 Mazda 6 | 1986 Renault 21 | |
| Make | Mazda | Renault |
| Model | 6 | 21 |
| Year Released | 2007 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 90 HP |
| Engine RPM | 5500 RPM | 4250 RPM |
| Torque | 165 Nm | 182 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 83.1 mm | 89 mm |
| Top Speed | 192 km/hour | 171 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1133 kg |
| Vehicle Length | 4710 mm | 4470 mm |
| Vehicle Width | 1790 mm | 1720 mm |
| Vehicle Height | 1490 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2590 mm |
| Fuel Tank Capacity | 64 L | 34 L |
