1978 Cadillac Seville vs. 1970 Pontiac GTO
To start off, 1978 Cadillac Seville is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 1970 Pontiac GTO would be higher. At 6,548 cc (8 cylinders), 1970 Pontiac GTO is equipped with a bigger engine. In terms of performance, 1970 Pontiac GTO (370 HP @ 5600 RPM) has 247 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 1970 Pontiac GTO should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 175 kg more than 1970 Pontiac GTO.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1970 Pontiac GTO (603 Nm @ 3900 RPM) has 299 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 1970 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville. 1978 Cadillac Seville has automatic transmission and 1970 Pontiac GTO has manual transmission. 1970 Pontiac GTO will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Cadillac Seville | 1970 Pontiac GTO | |
| Make | Cadillac | Pontiac |
| Model | Seville | GTO |
| Year Released | 1978 | 1970 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 6548 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 370 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 304 Nm | 603 Nm |
| Torque RPM | 1600 RPM | 3900 RPM |
| Engine Bore Size | 103 mm | 104.7 mm |
| Engine Stroke Size | 86 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1715 kg |
| Vehicle Length | 5190 mm | 5160 mm |
| Vehicle Width | 1830 mm | 1950 mm |
| Vehicle Height | 1400 mm | 1340 mm |
| Wheelbase Size | 2910 mm | 2850 mm |
| Fuel Tank Capacity | 79 L | 67 L |
