1989 Ford Sierra vs. 2010 Ford Expedition
To start off, 2010 Ford Expedition is newer by 21 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 5,400 cc (8 cylinders), 2010 Ford Expedition is equipped with a bigger engine. In terms of performance, 2010 Ford Expedition (310 HP @ 5100 RPM) has 209 more horse power than 1989 Ford Sierra. (101 HP @ 5200 RPM) In normal driving conditions, 2010 Ford Expedition should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Ford Expedition weights approximately 1509 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2010 Ford Expedition (494 Nm @ 3600 RPM) has 341 more torque (in Nm) than 1989 Ford Sierra. (153 Nm @ 4000 RPM). This means 2010 Ford Expedition will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2010 Ford Expedition has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Ford Expedition will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Ford Sierra | 2010 Ford Expedition | |
| Make | Ford | Ford |
| Model | Sierra | Expedition |
| Year Released | 1989 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 5400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 101 HP | 310 HP |
| Engine RPM | 5200 RPM | 5100 RPM |
| Torque | 153 Nm | 494 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1146 kg | 2655 kg |
| Vehicle Length | 4430 mm | 5621 mm |
| Vehicle Width | 1730 mm | 2002 mm |
| Vehicle Height | 1380 mm | 1974 mm |
| Wheelbase Size | 2830 mm | 3327 mm |
| Fuel Tank Capacity | 55 L | 127 L |
