1991 Buick LeSabre vs. 1999 Buick Regal
To start off, 1999 Buick Regal is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1991 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1991 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (197 HP @ 5200 RPM) has 29 more horse power than 1991 Buick LeSabre. (168 HP @ 4800 RPM) In normal driving conditions, 1999 Buick Regal should accelerate faster than 1991 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 10 kg more than 1991 Buick LeSabre. 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 12 more torque (in Nm) than 1991 Buick LeSabre. (299 Nm @ 3200 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick LeSabre.
Compare all specifications:
| 1991 Buick LeSabre | 1999 Buick Regal | |
| Make | Buick | Buick |
| Model | LeSabre | Regal |
| Year Released | 1991 | 1999 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 168 HP | 197 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 299 Nm | 311 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 97 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1560 kg |
| Vehicle Length | 5090 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2820 mm | 2780 mm |
| Fuel Tank Capacity | 62 L | 64 L |
