1992 Alfa Romeo 155 vs. 1981 Mazda RX-7
To start off, 1992 Alfa Romeo 155 is newer by 11 year(s). Which means there will be less support and parts availability for 1981 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1981 Mazda RX-7 would be higher. At 2,499 cc (6 cylinders), 1992 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1992 Alfa Romeo 155 (493 HP @ 11700 RPM) has 389 more horse power than 1981 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1992 Alfa Romeo 155 should accelerate faster than 1981 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda RX-7 weights approximately 20 kg more than 1992 Alfa Romeo 155.
Let's talk about torque, 1992 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 155 more torque (in Nm) than 1981 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1992 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda RX-7.
Compare all specifications:
| 1992 Alfa Romeo 155 | 1981 Mazda RX-7 | |
| Make | Alfa Romeo | Mazda |
| Model | 155 | RX-7 |
| Year Released | 1992 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 493 HP | 104 HP |
| Engine RPM | 11700 RPM | 6000 RPM |
| Torque | 300 Nm | 145 Nm |
| Torque RPM | 9500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1060 kg |
