1979 Ford LTD vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1979 Ford LTD. In addition, the cost of maintenance, including insurance, on 1979 Ford LTD would be higher. At 4,942 cc (8 cylinders), 1979 Ford LTD is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (202 HP @ 6000 RPM) has 69 more horse power than 1979 Ford LTD. (133 HP @ 3400 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1979 Ford LTD. With that said, vehicle weight also plays an important factor in acceleration. 1979 Ford LTD weights approximately 506 kg more than 1986 Ford Sierra.
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, 1979 Ford LTD (332 Nm @ 1600 RPM) has 55 more torque (in Nm) than 1986 Ford Sierra. (277 Nm @ 4500 RPM). This means 1979 Ford LTD will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 1979 Ford LTD has automatic transmission and 1986 Ford Sierra has manual transmission. 1986 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 Ford LTD will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1979 Ford LTD | 1986 Ford Sierra | |
| Make | Ford | Ford |
| Model | LTD | Sierra |
| Year Released | 1979 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 133 HP | 202 HP |
| Engine RPM | 3400 RPM | 6000 RPM |
| Torque | 332 Nm | 277 Nm |
| Torque RPM | 1600 RPM | 4500 RPM |
| Engine Bore Size | 101.6 mm | 90.8 mm |
| Engine Stroke Size | 76.2 mm | 77 mm |
| Engine Compression Ratio | 8.4:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1686 kg | 1180 kg |
| Vehicle Length | 5520 mm | 4430 mm |
| Vehicle Width | 2000 mm | 1730 mm |
| Vehicle Height | 1340 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 116 L |
