2004 Ford Mustang vs. 1986 Ford Sierra
To start off, 2004 Ford Mustang is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 3,931 cc (6 cylinders), 2004 Ford Mustang is equipped with a bigger engine. In terms of performance, 2004 Ford Mustang (200 HP @ 5250 RPM) has 40 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 2004 Ford Mustang should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Ford Mustang weights approximately 121 kg more than 1986 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra 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, 2004 Ford Mustang (310 Nm @ 3500 RPM) has 94 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2004 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 2004 Ford Mustang | 1986 Ford Sierra | |
| Make | Ford | Ford |
| Model | Mustang | Sierra |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3931 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 200 HP | 160 HP |
| Engine RPM | 5250 RPM | 5700 RPM |
| Torque | 310 Nm | 216 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Engine Bore Size | 100.4 mm | 93 mm |
| Engine Stroke Size | 84.4 mm | 68.5 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1387 kg | 1266 kg |
| Vehicle Length | 4770 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1730 mm |
| Wheelbase Size | 2720 mm | 2610 mm |
| Fuel Tank Capacity | 61 L | 116 L |
