1978 Cadillac Seville vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 28 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 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 172 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1978 Cadillac Seville.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 150 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2006 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 | 2006 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | Seville | Sierra |
| Year Released | 1978 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5358 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 295 HP |
| Engine RPM | 3600 RPM | 5200 RPM |
| Torque | 304 Nm | 454 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 96 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5190 mm | 5850 mm |
| Vehicle Width | 1830 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1810 mm |
| Wheelbase Size | 2910 mm | 3650 mm |
| Fuel Tank Capacity | 79 L | 98 L |
