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 2,987 cc (6 cylinders), 2007 Jeep Commander is equipped with a bigger engine. In terms of performance, 2007 Jeep Commander (215 HP @ 4000 RPM) has 149 more horse power than 1984 Ford Sierra. (66 HP @ 4200 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 1705 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 (510 Nm @ 1600 RPM) has 370 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 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 | 2304 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 215 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 140 Nm | 510 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1195 kg | 2900 kg |
| Vehicle Length | 4420 mm | 4790 mm |
| Vehicle Width | 1730 mm | 1830 mm |
| Wheelbase Size | 2620 mm | 2790 mm |
| Fuel Tank Capacity | 60 L | 78 L |
