1990 Mazda RX-7 vs. 1981 Buick Century
To start off, 1990 Mazda RX-7 is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Buick Century. In addition, the cost of maintenance, including insurance, on 1981 Buick Century would be higher. At 3,214 cc (6 cylinders), 1981 Buick Century is equipped with a bigger engine. In terms of performance, 1990 Mazda RX-7 (148 HP @ 6500 RPM) has 44 more horse power than 1981 Buick Century. (104 HP @ 4000 RPM). In normal driving conditions, 1990 Mazda RX-7 should accelerate faster than 1981 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 1981 Buick Century weights approximately 200 kg more than 1990 Mazda RX-7.
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, 1981 Buick Century (218 Nm @ 2000 RPM) has 32 more torque (in Nm) than 1990 Mazda RX-7. (186 Nm @ 3000 RPM). This means 1981 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 1990 Mazda RX-7.
Compare all specifications:
| 1990 Mazda RX-7 | 1981 Buick Century | |
| Make | Mazda | Buick |
| Model | RX-7 | Century |
| Year Released | 1990 | 1981 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 3214 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 148 HP | 104 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 186 Nm | 218 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1230 kg | 1430 kg |
| Vehicle Length | 4320 mm | 4990 mm |
| Vehicle Width | 1700 mm | 1790 mm |
| Vehicle Height | 1270 mm | 1410 mm |
| Wheelbase Size | 2440 mm | 2760 mm |
