1990 Cadillac DeVille vs. 1986 Renault 21
To start off, 1990 Cadillac DeVille is newer by 4 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 4,467 cc (8 cylinders), 1990 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1990 Cadillac DeVille (153 HP @ 4000 RPM) has 89 more horse power than 1986 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 1990 Cadillac DeVille should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Cadillac DeVille weights approximately 490 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, 1990 Cadillac DeVille (325 Nm @ 2600 RPM) has 207 more torque (in Nm) than 1986 Renault 21. (118 Nm @ 2250 RPM). This means 1990 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 1990 Cadillac DeVille 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. 1990 Cadillac DeVille will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Cadillac DeVille | 1986 Renault 21 | |
| Make | Cadillac | Renault |
| Model | DeVille | 21 |
| Year Released | 1990 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4467 cc | 1870 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 64 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 325 Nm | 118 Nm |
| Torque RPM | 2600 RPM | 2250 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 84 mm | 93 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1540 kg | 1050 kg |
| Vehicle Length | 5160 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2670 mm |
