2007 Mazda 6 vs. 1978 Mazda Cosmo
To start off, 2007 Mazda 6 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1978 Mazda Cosmo would be higher. At 2,261 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (164 HP @ 6500 RPM) has 71 more horse power than 1978 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1978 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 323 kg more than 1978 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mazda Cosmo is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mazda Cosmo. However, in wet, icy, snow, or gravel driving conditions, 2007 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Mazda 6 (208 Nm @ 4000 RPM) has 58 more torque (in Nm) than 1978 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda Cosmo.
Compare all specifications:
| 2007 Mazda 6 | 1978 Mazda Cosmo | |
| Make | Mazda | Mazda |
| Model | 6 | Cosmo |
| Year Released | 2007 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 164 HP | 93 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 208 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Engine Bore Size | 87.5 mm | 80 mm |
| Engine Stroke Size | 94 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1415 kg | 1092 kg |
| Vehicle Length | 4690 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1340 mm |
| Wheelbase Size | 2680 mm | 2520 mm |
| Fuel Tank Capacity | 64 L | 65 L |
