1987 Buick Regal vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 3 year(s). Which means there will be less support and parts availability for 1987 Buick Regal. In addition, the cost of maintenance, including insurance, on 1987 Buick Regal would be higher. At 2,843 cc (6 cylinders), 1987 Buick Regal is equipped with a bigger engine. In terms of performance, 1987 Buick Regal (135 HP @ 4400 RPM) has 60 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1987 Buick Regal should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Buick Regal weights approximately 385 kg more than 1990 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, 1987 Buick Regal (244 Nm @ 3600 RPM) has 115 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1987 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21. 1987 Buick Regal has automatic transmission and 1990 Renault 21 has manual transmission. 1990 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1987 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Buick Regal | 1990 Renault 21 | |
| Make | Buick | Renault |
| Model | Regal | 21 |
| Year Released | 1987 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2843 cc | 1720 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 75 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 244 Nm | 129 Nm |
| Torque RPM | 3600 RPM | 3250 RPM |
| Engine Compression Ratio | 8.8:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 190 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1340 kg | 955 kg |
| Vehicle Length | 4890 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2740 mm | 2550 mm |
| Fuel Tank Capacity | 62 L | 55 L |
