1984 Ford Sierra vs. 2007 Jeep Commander
To start off, 2007 Jeep Commander is newer by 23 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 3,700 cc (6 cylinders), 2007 Jeep Commander is equipped with a bigger engine. In terms of performance, 2007 Jeep Commander (210 HP @ 5200 RPM) has 121 more horse power than 1984 Ford Sierra. (89 HP @ 5400 RPM) In normal driving conditions, 2007 Jeep Commander should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Commander weights approximately 1400 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 2007 Jeep Commander 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, 2007 Jeep Commander 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 Jeep Commander (319 Nm @ 4000 RPM) has 175 more torque (in Nm) than 1984 Ford Sierra. (144 Nm @ 3500 RPM). This means 2007 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2007 Jeep Commander 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. 2007 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2007 Jeep Commander | |
| Make | Ford | Jeep |
| Model | Sierra | Commander |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 210 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 144 Nm | 319 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1010 kg | 2410 kg |
| Vehicle Length | 4400 mm | 4790 mm |
| Vehicle Width | 1680 mm | 1910 mm |
| Vehicle Height | 1370 mm | 1840 mm |
| Wheelbase Size | 2620 mm | 2790 mm |
