1977 Cadillac Seville vs. 1990 Mazda RX-7
To start off, 1990 Mazda RX-7 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 30 more horse power than 1990 Mazda RX-7. (148 HP @ 6500 RPM). In normal driving conditions, 1977 Cadillac Seville should accelerate faster than 1990 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1977 Cadillac Seville weights approximately 670 kg more than 1990 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1977 Cadillac Seville (372 Nm @ 2000 RPM) has 186 more torque (in Nm) than 1990 Mazda RX-7. (186 Nm @ 3000 RPM). This means 1977 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1990 Mazda RX-7. 1977 Cadillac Seville has automatic transmission and 1990 Mazda RX-7 has manual transmission. 1990 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Cadillac Seville | 1990 Mazda RX-7 | |
| Make | Cadillac | Mazda |
| Model | Seville | RX-7 |
| Year Released | 1977 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 178 HP | 148 HP |
| Engine RPM | 4400 RPM | 6500 RPM |
| Torque | 372 Nm | 186 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1230 kg |
| Vehicle Length | 5190 mm | 4320 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1270 mm |
| Wheelbase Size | 2910 mm | 2440 mm |
