1978 Cadillac Seville vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (301 HP) has 178 more horse power than 1978 Cadillac Seville. (123 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 788 kg more than 1978 Cadillac Seville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Cadillac Seville. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (488 Nm) has 184 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1978 Cadillac Seville | 2005 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | Seville | Sierra |
| Year Released | 1978 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 301 HP |
| Torque | 304 Nm | 488 Nm |
| Engine Bore Size | 103 mm | 102 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 2678 kg |
| Vehicle Length | 5190 mm | 5650 mm |
| Vehicle Width | 1830 mm | 2450 mm |
| Vehicle Height | 1400 mm | 1950 mm |
| Wheelbase Size | 2910 mm | 3380 mm |
| Fuel Tank Capacity | 79 L | 129 L |
