1999 Ford O21 C vs. 2001 GMC Envoy
To start off, 2001 GMC Envoy is newer by 2 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 4,159 cc (6 cylinders), 2001 GMC Envoy is equipped with a bigger engine. In terms of performance, 2001 GMC Envoy (271 HP @ 6000 RPM) has 143 more horse power than 1999 Ford O21 C. (128 HP @ 6000 RPM) In normal driving conditions, 2001 GMC Envoy should accelerate faster than 1999 Ford O21 C. With that said, vehicle weight also plays an important factor in acceleration. 2001 GMC Envoy weights approximately 712 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.
Because 2001 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1999 Ford O21 C. In wet, icy, snow, or gravel driving conditions, 2001 GMC Envoy 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, 2001 GMC Envoy (373 Nm @ 3600 RPM) has 195 more torque (in Nm) than 1999 Ford O21 C. (178 Nm @ 4000 RPM). This means 2001 GMC Envoy 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 | 2001 GMC Envoy | |
| Make | Ford | GMC |
| Model | O21 C | Envoy |
| Year Released | 1999 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 4159 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 271 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 178 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 79 mm | 93 mm |
| Engine Stroke Size | 81.4 mm | 102 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1298 kg | 2010 kg |
| Vehicle Length | 3610 mm | 4870 mm |
| Vehicle Width | 1650 mm | 1900 mm |
| Vehicle Height | 1440 mm | 1830 mm |
| Wheelbase Size | 2490 mm | 2880 mm |
| Fuel Tank Capacity | 132 L | 83 L |
