1978 Cadillac Seville vs. 1974 Avanti Avanti
To start off, 1978 Cadillac Seville is newer by 4 year(s). Which means there will be less support and parts availability for 1974 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1974 Avanti Avanti would be higher. At 6,569 cc (8 cylinders), 1974 Avanti Avanti is equipped with a bigger engine. In terms of performance, 1974 Avanti Avanti (177 HP @ 3400 RPM) has 9 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM) In normal driving conditions, 1974 Avanti Avanti should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 310 kg more than 1974 Avanti Avanti.
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, 1974 Avanti Avanti (442 Nm @ 2000 RPM) has 77 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 1974 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 1978 Cadillac Seville | 1974 Avanti Avanti | |
| Make | Cadillac | Avanti |
| Model | Seville | Avanti |
| Year Released | 1978 | 1974 |
| Engine Size | 5735 cc | 6569 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 177 HP |
| Engine RPM | 4200 RPM | 3400 RPM |
| Torque | 365 Nm | 442 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1890 kg | 1580 kg |
| Vehicle Length | 5190 mm | 4910 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2910 mm | 2780 mm |
