1990 Cadillac Aurora vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1990 Cadillac Aurora. In addition, the cost of maintenance, including insurance, on 1990 Cadillac Aurora would be higher. At 5,963 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (325 HP) has 125 more horse power than 1990 Cadillac Aurora. (200 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1990 Cadillac Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 686 kg more than 1990 Cadillac Aurora. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2004 GMC Sierra (502 Nm) has 136 more torque (in Nm) than 1990 Cadillac Aurora. (366 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Cadillac Aurora.
Compare all specifications:
| 1990 Cadillac Aurora | 2004 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | Aurora | Sierra |
| Year Released | 1990 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4465 cc | 5963 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 200 HP | 325 HP |
| Torque | 366 Nm | 502 Nm |
| Engine Bore Size | 92 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1588 kg | 2274 kg |
| Vehicle Length | 4860 mm | 5790 mm |
| Vehicle Width | 1890 mm | 2130 mm |
| Vehicle Height | 1410 mm | 1880 mm |
| Wheelbase Size | 2860 mm | 3650 mm |
