2004 Mercury Grand Marquis vs. 1986 Renault 21
To start off, 2004 Mercury Grand Marquis is newer by 18 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 4,605 cc (8 cylinders), 2004 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2004 Mercury Grand Marquis (224 HP) has 134 more horse power than 1986 Renault 21. (90 HP). In normal driving conditions, 2004 Mercury Grand Marquis should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercury Grand Marquis weights approximately 797 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 2004 Mercury Grand Marquis is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Mercury Grand Marquis (373 Nm) has 238 more torque (in Nm) than 1986 Renault 21. (135 Nm). This means 2004 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2004 Mercury Grand Marquis 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. 2004 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Mercury Grand Marquis | 1986 Renault 21 | |
| Make | Mercury | Renault |
| Model | Grand Marquis | 21 |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4605 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 224 HP | 90 HP |
| Torque | 373 Nm | 135 Nm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1832 kg | 1035 kg |
| Vehicle Length | 5390 mm | 4540 mm |
| Vehicle Width | 1990 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2900 mm | 2670 mm |
| Fuel Tank Capacity | 72 L | 38 L |
