1991 Ford Sierra vs. 1991 Lexus LS
To start off, both 1991 Ford Sierra and 1991 Lexus LS were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 167 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 1991 Lexus LS should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Lexus LS weights approximately 670 kg more than 1991 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, 1991 Lexus LS (351 Nm @ 4400 RPM) has 199 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1991 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 1991 Lexus LS | |
| Make | Ford | Lexus |
| Model | Sierra | LS |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 3969 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 242 HP |
| Engine RPM | 4500 RPM | 5400 RPM |
| Torque | 152 Nm | 351 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1815 kg |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1700 mm | 1830 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2820 mm |
