2005 Aston Martin DB9 vs. 1975 Mazda RX 4 Coupe
To start off, 2005 Aston Martin DB9 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 5,935 cc (12 cylinders), 2005 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2005 Aston Martin DB9 (444 HP @ 6000 RPM) has 330 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 2005 Aston Martin DB9 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2005 Aston Martin DB9 weights approximately 600 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Aston Martin DB9 (571 Nm @ 5000 RPM) has 406 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2005 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 2005 Aston Martin DB9 | 1975 Mazda RX 4 Coupe | |
| Make | Aston Martin | Mazda |
| Model | DB9 | RX 4 Coupe |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2616 cc |
| Engine Cylinders | 12 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 114 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 571 Nm | 165 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1710 kg | 1110 kg |
| Vehicle Length | 4710 mm | 4400 mm |
| Vehicle Width | 1880 mm | 1670 mm |
| Vehicle Height | 1320 mm | 1390 mm |
| Wheelbase Size | 2750 mm | 2520 mm |
