1989 Ford Sierra vs. 2007 Lexus RX
To start off, 2007 Lexus RX is newer by 18 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 3,311 cc (6 cylinders), 2007 Lexus RX is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (268 HP @ 5600 RPM) has 194 more horse power than 1989 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2007 Lexus RX should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 750 kg more than 1989 Ford Sierra. 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 1989 Ford Sierra. 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 (287 Nm @ 4400 RPM) has 164 more torque (in Nm) than 1989 Ford Sierra. (123 Nm @ 2900 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 2007 Lexus RX | |
| Make | Ford | Lexus |
| Model | Sierra | RX |
| Year Released | 1989 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3311 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 268 HP |
| Engine RPM | 4900 RPM | 5600 RPM |
| Torque | 123 Nm | 287 Nm |
| Torque RPM | 2900 RPM | 4400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1015 kg | 1765 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1700 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1690 mm |
| Wheelbase Size | 2620 mm | 2720 mm |
