1999 Mercury Sable vs. 1991 Renault 21
To start off, 1999 Mercury Sable is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 2,986 cc (6 cylinders), 1999 Mercury Sable is equipped with a bigger engine. In terms of performance, 1999 Mercury Sable (153 HP @ 4900 RPM) has 78 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1999 Mercury Sable should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Sable weights approximately 490 kg more than 1991 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, 1999 Mercury Sable (251 Nm @ 3950 RPM) has 122 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1999 Mercury Sable will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21. 1999 Mercury Sable has automatic transmission and 1991 Renault 21 has manual transmission. 1991 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Mercury Sable will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Mercury Sable | 1991 Renault 21 | |
| Make | Mercury | Renault |
| Model | Sable | 21 |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 153 HP | 75 HP |
| Engine RPM | 4900 RPM | 5000 RPM |
| Torque | 251 Nm | 129 Nm |
| Torque RPM | 3950 RPM | 3250 RPM |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 79 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1510 kg | 1020 kg |
| Vehicle Length | 5100 mm | 4650 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2820 mm |
