1977 Cadillac Seville vs. 1990 Pontiac Grand Am
To start off, 1990 Pontiac Grand Am is newer by 13 year(s). Which means there will be less support and parts availability for 1977 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1977 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1977 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1977 Cadillac Seville (178 HP @ 4400 RPM) has 15 more horse power than 1990 Pontiac Grand Am. (163 HP @ 5600 RPM). In normal driving conditions, 1977 Cadillac Seville should accelerate faster than 1990 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1977 Cadillac Seville weights approximately 665 kg more than 1990 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Cadillac Seville is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Cadillac Seville. However, in wet, icy, snow, or gravel driving conditions, 1990 Pontiac Grand Am, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Cadillac Seville (372 Nm @ 2000 RPM) has 135 more torque (in Nm) than 1990 Pontiac Grand Am. (237 Nm @ 4000 RPM). This means 1977 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1990 Pontiac Grand Am.
Compare all specifications:
| 1977 Cadillac Seville | 1990 Pontiac Grand Am | |
| Make | Cadillac | Pontiac |
| Model | Seville | Grand Am |
| Year Released | 1977 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1996 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 163 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 372 Nm | 237 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1900 kg | 1235 kg |
| Vehicle Length | 5190 mm | 4520 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1340 mm |
| Wheelbase Size | 2910 mm | 2630 mm |
| Fuel Tank Capacity | 79 L | 69 L |
