1978 Mazda Cosmo vs. 2002 Fiat Siena
To start off, 2002 Fiat Siena is newer by 24 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 1,769 cc (4 cylinders), 1978 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 2002 Fiat Siena (99 HP @ 6000 RPM) has 6 more horse power than 1978 Mazda Cosmo. (93 HP @ 5500 RPM) In normal driving conditions, 2002 Fiat Siena should accelerate faster than 1978 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mazda Cosmo weights approximately 42 kg more than 2002 Fiat Siena.
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, 2002 Fiat Siena, 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, 1978 Mazda Cosmo (150 Nm @ 3300 RPM) has 4 more torque (in Nm) than 2002 Fiat Siena. (146 Nm @ 4000 RPM). This means 1978 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 2002 Fiat Siena.
Compare all specifications:
| 1978 Mazda Cosmo | 2002 Fiat Siena | |
| Make | Mazda | Fiat |
| Model | Cosmo | Siena |
| Year Released | 1978 | 2002 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 99 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 150 Nm | 146 Nm |
| Torque RPM | 3300 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 80.5 mm |
| Engine Stroke Size | 88 mm | 78.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1092 kg | 1050 kg |
| Vehicle Length | 4480 mm | 4110 mm |
| Vehicle Width | 1690 mm | 1630 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2380 mm |
