1968 Cadillac Calais vs. 1991 Mazda RX-7
To start off, 1991 Mazda RX-7 is newer by 23 year(s). Which means there will be less support and parts availability for 1968 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1968 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1968 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1968 Cadillac Calais (228 HP @ 4400 RPM) has 31 more horse power than 1991 Mazda RX-7. (197 HP @ 6500 RPM). In normal driving conditions, 1968 Cadillac Calais should accelerate faster than 1991 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1968 Cadillac Calais weights approximately 803 kg more than 1991 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1968 Cadillac Calais (711 Nm) has 441 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm). This means 1968 Cadillac Calais will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7.
Compare all specifications:
| 1968 Cadillac Calais | 1991 Mazda RX-7 | |
| Make | Cadillac | Mazda |
| Model | Calais | RX-7 |
| Year Released | 1968 | 1991 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 7734 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 228 HP | 197 HP |
| Engine RPM | 4400 RPM | 6500 RPM |
| Torque | 711 Nm | 270 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2105 kg | 1302 kg |
| Vehicle Length | 5720 mm | 4320 mm |
| Vehicle Width | 2040 mm | 1700 mm |
| Vehicle Height | 1360 mm | 1270 mm |
| Wheelbase Size | 3300 mm | 2430 mm |
| Fuel Tank Capacity | 82 L | 75 L |
