1987 Ford Sierra vs. 2005 GMC Yukon
To start off, 2005 GMC Yukon is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 4,818 cc (8 cylinders), 2005 GMC Yukon is equipped with a bigger engine. In terms of performance, 2005 GMC Yukon (260 HP @ 5200 RPM) has 147 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2005 GMC Yukon should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Yukon weights approximately 1170 kg more than 1987 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, 2005 GMC Yukon (393 Nm @ 4000 RPM) has 213 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2005 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2005 GMC Yukon | |
| Make | Ford | GMC |
| Model | Sierra | Yukon |
| Year Released | 1987 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 4818 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 260 HP |
| Engine RPM | 5300 RPM | 5200 RPM |
| Torque | 180 Nm | 393 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 96 mm | 96 mm |
| Engine Stroke Size | 79.5 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1090 kg | 2260 kg |
| Vehicle Length | 4400 mm | 5060 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Vehicle Height | 1370 mm | 1950 mm |
| Wheelbase Size | 2620 mm | 2950 mm |
| Fuel Tank Capacity | 45 L | 98 L |
