2007 Lexus RX vs. 1971 Riley 4
To start off, 2007 Lexus RX is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 3,456 cc (6 cylinders), 2007 Lexus RX is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (272 HP @ 6200 RPM) has 205 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2007 Lexus RX should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 762 kg more than 1971 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 1971 Riley 4. 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, 2007 Lexus RX (342 Nm @ 4700 RPM) has 221 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2007 Lexus RX | 1971 Riley 4 | |
| Make | Lexus | Riley |
| Model | RX | 4 |
| Year Released | 2007 | 1971 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3456 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 272 HP | 67 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 342 Nm | 121 Nm |
| Torque RPM | 4700 RPM | 2500 RPM |
| Engine Compression Ratio | 10.8:1 | 8.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1148 kg |
| Vehicle Length | 4580 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1680 mm | 1510 mm |
| Wheelbase Size | 2730 mm | 2530 mm |
| Fuel Tank Capacity | 75 L | 45 L |
