1978 Cadillac Seville vs. 1997 Porsche 911
To start off, 1997 Porsche 911 is newer by 19 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, 1997 Porsche 911 (424 HP @ 5750 RPM) has 256 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM) In normal driving conditions, 1997 Porsche 911 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 595 kg more than 1997 Porsche 911.
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, 1997 Porsche 911 (530 Nm @ 4500 RPM) has 165 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 1997 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville. 1978 Cadillac Seville has automatic transmission and 1997 Porsche 911 has manual transmission. 1997 Porsche 911 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 | 1997 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | Seville | 911 |
| Year Released | 1978 | 1997 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5735 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 168 HP | 424 HP |
| Engine RPM | 4200 RPM | 5750 RPM |
| Torque | 365 Nm | 530 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1295 kg |
| Vehicle Length | 5190 mm | 4270 mm |
| Vehicle Width | 1830 mm | 1740 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2910 mm | 2280 mm |
