1985 Ford Sierra vs. 1998 Ford Mustang
To start off, 1998 Ford Mustang is newer by 13 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 3,797 cc (6 cylinders), 1998 Ford Mustang is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 5 more horse power than 1998 Ford Mustang. (143 HP @ 4000 RPM). In normal driving conditions, 1985 Ford Sierra should accelerate faster than 1998 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 1998 Ford Mustang weights approximately 185 kg more than 1985 Ford Sierra.
Let's talk about torque, 1998 Ford Mustang (298 Nm @ 2750 RPM) has 78 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1998 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 1998 Ford Mustang | |
| Make | Ford | Ford |
| Model | Sierra | Mustang |
| Year Released | 1985 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 3797 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 143 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 220 Nm | 298 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Engine Bore Size | 93 mm | 96.8 mm |
| Engine Stroke Size | 68.5 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1205 kg | 1390 kg |
| Vehicle Length | 4400 mm | 4660 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2580 mm |
