1990 Ford Sierra vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 21 year(s). Which means there will be less support and parts availability for 1990 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1990 Ford Sierra would be higher. At 2,500 cc (6 cylinders), 2011 Lexus IS is equipped with a bigger engine. In terms of performance, 2011 Lexus IS (204 HP @ 6400 RPM) has 130 more horse power than 1990 Ford Sierra. (74 HP @ 5300 RPM) In normal driving conditions, 2011 Lexus IS should accelerate faster than 1990 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus IS weights approximately 557 kg more than 1990 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Lexus IS is all wheel drive (AWD), it will have significant more traction and grip than 1990 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2011 Lexus IS 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, 2011 Lexus IS (251 Nm @ 4800 RPM) has 129 more torque (in Nm) than 1990 Ford Sierra. (122 Nm @ 2900 RPM). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1990 Ford Sierra. 2011 Lexus IS has automatic transmission and 1990 Ford Sierra has manual transmission. 1990 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Ford Sierra | 2011 Lexus IS | |
| Make | Ford | Lexus |
| Model | Sierra | IS |
| Year Released | 1990 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 204 HP |
| Engine RPM | 5300 RPM | 6400 RPM |
| Torque | 122 Nm | 251 Nm |
| Torque RPM | 2900 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1010 kg | 1567 kg |
| Vehicle Length | 4500 mm | 4585 mm |
| Vehicle Width | 1680 mm | 1801 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2731 mm |
