1978 Cadillac Seville vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 29 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 177 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1978 Cadillac Seville.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 184 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2007 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 | 2007 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | Seville | Sierra |
| Year Released | 1978 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 300 HP |
| Engine RPM | 3600 RPM | 4400 RPM |
| Torque | 304 Nm | 488 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 102 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5190 mm | 6570 mm |
| Vehicle Width | 1830 mm | 2450 mm |
| Vehicle Height | 1400 mm | 1970 mm |
| Wheelbase Size | 2910 mm | 4250 mm |
| Fuel Tank Capacity | 79 L | 132 L |
