2007 Lexus RX vs. 1991 Lexus LS
To start off, 2007 Lexus RX is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Lexus LS. In addition, the cost of maintenance, including insurance, on 1991 Lexus LS would be higher. At 3,969 cc (8 cylinders), 1991 Lexus LS is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (268 HP @ 5600 RPM) has 26 more horse power than 1991 Lexus LS. (242 HP @ 5400 RPM). In normal driving conditions, 2007 Lexus RX should accelerate faster than 1991 Lexus LS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Lexus LS weights approximately 50 kg more than 2007 Lexus RX.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Lexus LS. In wet, icy, snow, or gravel driving conditions, 2007 Lexus RX 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, 1991 Lexus LS (351 Nm @ 4400 RPM) has 64 more torque (in Nm) than 2007 Lexus RX. (287 Nm @ 4400 RPM). This means 1991 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus RX.
Compare all specifications:
| 2007 Lexus RX | 1991 Lexus LS | |
| Make | Lexus | Lexus |
| Model | RX | LS |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3311 cc | 3969 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 242 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 287 Nm | 351 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1815 kg |
| Vehicle Length | 4760 mm | 5000 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1690 mm | 1430 mm |
| Wheelbase Size | 2720 mm | 2820 mm |
