1978 Buick LeSabre vs. 1989 Ford Sierra
To start off, 1989 Ford Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1978 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1978 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1978 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (148 HP @ 5700 RPM) has 44 more horse power than 1978 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1978 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick LeSabre weights approximately 295 kg more than 1989 Ford Sierra.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra will offer significantly more control. 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, 1978 Buick LeSabre (251 Nm @ 2000 RPM) has 13 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 1978 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 1978 Buick LeSabre has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Buick LeSabre will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Buick LeSabre | 1989 Ford Sierra | |
| Make | Buick | Ford |
| Model | LeSabre | Sierra |
| Year Released | 1978 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2933 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 148 HP |
| Engine RPM | 3400 RPM | 5700 RPM |
| Torque | 251 Nm | 238 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1295 kg |
| Vehicle Length | 5550 mm | 4430 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2950 mm | 2610 mm |
