1978 Buick LeSabre vs. 1991 Lexus LS
To start off, 1991 Lexus LS is newer by 13 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 3,969 cc (8 cylinders), 1991 Lexus LS is equipped with a bigger engine. In terms of performance, 1991 Lexus LS (242 HP @ 5400 RPM) has 138 more horse power than 1978 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 1991 Lexus LS should accelerate faster than 1978 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1991 Lexus LS weights approximately 225 kg more than 1978 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 Lexus LS (351 Nm @ 4400 RPM) has 100 more torque (in Nm) than 1978 Buick LeSabre. (251 Nm @ 2000 RPM). This means 1991 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick LeSabre.
Compare all specifications:
| 1978 Buick LeSabre | 1991 Lexus LS | |
| Make | Buick | Lexus |
| Model | LeSabre | LS |
| Year Released | 1978 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3969 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 242 HP |
| Engine RPM | 3400 RPM | 5400 RPM |
| Torque | 251 Nm | 351 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1815 kg |
| Vehicle Length | 5550 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2820 mm |
