1999 Buick LeSabre vs. 1987 Ford Sierra
To start off, 1999 Buick LeSabre is newer by 12 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,791 cc (6 cylinders), 1999 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1999 Buick LeSabre (205 HP @ 5200 RPM) has 92 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1999 Buick LeSabre should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick LeSabre weights approximately 527 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Buick LeSabre (311 Nm @ 4000 RPM) has 131 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1999 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1999 Buick LeSabre | 1987 Ford Sierra | |
| Make | Buick | Ford |
| Model | LeSabre | Sierra |
| Year Released | 1999 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 205 HP | 113 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 311 Nm | 180 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 97 mm | 96 mm |
| Engine Stroke Size | 86 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1617 kg | 1090 kg |
| Vehicle Length | 5090 mm | 4400 mm |
| Vehicle Width | 1870 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2860 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 45 L |
