1999 Buick Regal vs. 1990 Pontiac Grand Prix
To start off, 1999 Buick Regal is newer by 9 year(s). Which means there will be less support and parts availability for 1990 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Grand Prix would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Prix (208 HP @ 5200 RPM) has 11 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 1990 Pontiac Grand Prix should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Prix weights approximately 49 kg more than 1999 Buick Regal. 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 Buick Regal (311 Nm @ 4000 RPM) has 20 more torque (in Nm) than 1990 Pontiac Grand Prix. (291 Nm @ 4000 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1990 Pontiac Grand Prix.
Compare all specifications:
| 1999 Buick Regal | 1990 Pontiac Grand Prix | |
| Make | Buick | Pontiac |
| Model | Regal | Grand Prix |
| Year Released | 1999 | 1990 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 3352 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 197 HP | 208 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 311 Nm | 291 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 92 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 9.4:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1609 kg |
| Vehicle Length | 4990 mm | 4930 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1360 mm |
| Wheelbase Size | 2780 mm | 2790 mm |
| Fuel Tank Capacity | 64 L | 76 L |
