1986 Cadillac Eldorado vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Cadillac Eldorado. In addition, the cost of maintenance, including insurance, on 1986 Cadillac Eldorado 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 (312 HP @ 4400 RPM) has 179 more horse power than 1986 Cadillac Eldorado. (133 HP @ 4400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1986 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 988 kg more than 1986 Cadillac Eldorado. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1986 Cadillac Eldorado. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 236 more torque (in Nm) than 1986 Cadillac Eldorado. (270 Nm @ 2200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1986 Cadillac Eldorado.
Compare all specifications:
| 1986 Cadillac Eldorado | 2007 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | Eldorado | Sierra |
| Year Released | 1986 | 2007 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4080 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 133 HP | 312 HP |
| Engine RPM | 4400 RPM | 4400 RPM |
| Torque | 270 Nm | 506 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Engine Bore Size | 88 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 2678 kg |
| Vehicle Length | 4850 mm | 5720 mm |
| Vehicle Width | 1820 mm | 2440 mm |
| Vehicle Height | 1370 mm | 1930 mm |
| Wheelbase Size | 2750 mm | 3380 mm |
