1999 Ford O21 C vs. 2004 Mercury Mountaineer
To start off, 2004 Mercury Mountaineer is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Ford O21 C. In addition, the cost of maintenance, including insurance, on 1999 Ford O21 C would be higher. At 4,604 cc (8 cylinders), 2004 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2004 Mercury Mountaineer (239 HP) has 111 more horse power than 1999 Ford O21 C. (128 HP) In normal driving conditions, 2004 Mercury Mountaineer should accelerate faster than 1999 Ford O21 C. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercury Mountaineer weights approximately 622 kg more than 1999 Ford O21 C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Mercury Mountaineer (382 Nm) has 204 more torque (in Nm) than 1999 Ford O21 C. (178 Nm). This means 2004 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1999 Ford O21 C.
Compare all specifications:
| 1999 Ford O21 C | 2004 Mercury Mountaineer | |
| Make | Ford | Mercury |
| Model | O21 C | Mountaineer |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 4604 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 128 HP | 239 HP |
| Torque | 178 Nm | 382 Nm |
| Engine Bore Size | 79 mm | 90 mm |
| Engine Stroke Size | 81.4 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1298 kg | 1920 kg |
| Vehicle Length | 3610 mm | 4850 mm |
| Vehicle Width | 1650 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1820 mm |
| Wheelbase Size | 2490 mm | 2920 mm |
| Fuel Tank Capacity | 132 L | 85 L |
