1968 AMC AMX vs. 1985 Ford Sierra
To start off, 1985 Ford Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1968 AMC AMX. In addition, the cost of maintenance, including insurance, on 1968 AMC AMX would be higher. At 6,386 cc (8 cylinders), 1968 AMC AMX is equipped with a bigger engine. In terms of performance, 1968 AMC AMX (315 HP @ 4600 RPM) has 167 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 1968 AMC AMX should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1968 AMC AMX weights approximately 172 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1968 AMC AMX (576 Nm @ 3200 RPM) has 356 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1968 AMC AMX will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1968 AMC AMX | 1985 Ford Sierra | |
| Make | AMC | Ford |
| Model | AMX | Sierra |
| Year Released | 1968 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 6386 cc | 2790 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 315 HP | 148 HP |
| Engine RPM | 4600 RPM | 5700 RPM |
| Torque | 576 Nm | 220 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 105.8 mm | 93 mm |
| Engine Stroke Size | 90.8 mm | 68.5 mm |
| Vehicle Weight | 1377 kg | 1205 kg |
| Vehicle Length | 4510 mm | 4400 mm |
| Vehicle Width | 1830 mm | 1680 mm |
| Vehicle Height | 1320 mm | 1370 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
