1991 Ford Sierra vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 225 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1991 Ford Sierra.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 336 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2007 GMC Sierra | |
| Make | Ford | GMC |
| Model | Sierra | Sierra |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 5999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 300 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 152 Nm | 488 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 102 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Length | 4430 mm | 6330 mm |
| Vehicle Width | 1700 mm | 2450 mm |
| Vehicle Height | 1370 mm | 1940 mm |
| Wheelbase Size | 2620 mm | 4010 mm |
| Fuel Tank Capacity | 60 L | 129 L |
