1991 Ford Sierra vs. 2007 Lexus IS
To start off, 2007 Lexus IS is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 2,499 cc (6 cylinders), 2007 Lexus IS is equipped with a bigger engine. In terms of performance, 2007 Lexus IS (205 HP @ 6400 RPM) has 131 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2007 Lexus IS should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus IS weights approximately 750 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Lexus IS (251 Nm @ 4800 RPM) has 128 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2007 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra. 2007 Lexus IS has automatic transmission and 1991 Ford Sierra has manual transmission. 1991 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 Ford Sierra | 2007 Lexus IS | |
Make | Ford | Lexus |
Model | Sierra | IS |
Year Released | 1991 | 2007 |
Engine Position | Front | Front |
Engine Size | 1597 cc | 2499 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 74 HP | 205 HP |
Engine RPM | 4900 RPM | 6400 RPM |
Torque | 123 Nm | 251 Nm |
Torque RPM | 2900 RPM | 4800 RPM |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1015 kg | 1765 kg |
Vehicle Length | 4430 mm | 4580 mm |
Vehicle Width | 1700 mm | 1810 mm |
Vehicle Height | 1370 mm | 1430 mm |
Wheelbase Size | 2620 mm | 2740 mm |