1984 Ford Sierra vs. 2003 Lexus RX
To start off, 2003 Lexus RX is newer by 19 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,000 cc (6 cylinders), 2003 Lexus RX is equipped with a bigger engine. In terms of performance, 2003 Lexus RX (198 HP @ 5600 RPM) has 123 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM) In normal driving conditions, 2003 Lexus RX should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lexus RX weights approximately 825 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Lexus RX (284 Nm @ 4400 RPM) has 161 more torque (in Nm) than 1984 Ford Sierra. (123 Nm @ 2900 RPM). This means 2003 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2003 Lexus RX has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2003 Lexus RX | |
| Make | Ford | Lexus |
| Model | Sierra | RX |
| Year Released | 1984 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1593 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 198 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 123 Nm | 284 Nm |
| Torque RPM | 2900 RPM | 4400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1865 kg |
| Vehicle Length | 4430 mm | 4590 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1670 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
