1991 Buick LeSabre vs. 1977 Ford Fiesta
To start off, 1991 Buick LeSabre is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Ford Fiesta. In addition, the cost of maintenance, including insurance, on 1977 Ford Fiesta would be higher. At 3,791 cc (6 cylinders), 1991 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1991 Buick LeSabre (168 HP @ 4800 RPM) has 102 more horse power than 1977 Ford Fiesta. (66 HP @ 5600 RPM). In normal driving conditions, 1991 Buick LeSabre should accelerate faster than 1977 Ford Fiesta. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick LeSabre weights approximately 790 kg more than 1977 Ford Fiesta. 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, 1991 Buick LeSabre (299 Nm @ 3200 RPM) has 205 more torque (in Nm) than 1977 Ford Fiesta. (94 Nm @ 3250 RPM). This means 1991 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 1977 Ford Fiesta. 1991 Buick LeSabre has automatic transmission and 1977 Ford Fiesta has manual transmission. 1977 Ford Fiesta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick LeSabre will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick LeSabre | 1977 Ford Fiesta | |
| Make | Buick | Ford |
| Model | LeSabre | Fiesta |
| Year Released | 1991 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 66 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 299 Nm | 94 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 96.5 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 66 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1550 kg | 760 kg |
| Vehicle Length | 5090 mm | 3570 mm |
| Vehicle Width | 1910 mm | 1570 mm |
| Vehicle Height | 1420 mm | 1320 mm |
| Wheelbase Size | 2820 mm | 2290 mm |
