1981 Mazda Cosmo vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 29 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 1,768 cc (4 cylinders), 1981 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 2010 Fiat Siena (100 HP @ 5500 RPM) has 7 more horse power than 1981 Mazda Cosmo. (93 HP @ 5500 RPM) In normal driving conditions, 2010 Fiat Siena should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda Cosmo weights approximately 16 kg more than 2010 Fiat Siena.
Because 1981 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 1981 Mazda Cosmo. However, in wet, icy, snow, or gravel driving conditions, 2010 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, 1981 Mazda Cosmo (149 Nm @ 3300 RPM) has 75 more torque (in Nm) than 2010 Fiat Siena. (74 Nm @ 5500 RPM). This means 1981 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena.
Compare all specifications:
| 1981 Mazda Cosmo | 2010 Fiat Siena | |
| Make | Mazda | Fiat |
| Model | Cosmo | Siena |
| Year Released | 1981 | 2010 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1768 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 100 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 149 Nm | 74 Nm |
| Torque RPM | 3300 RPM | 5500 RPM |
| Engine Bore Size | 80 mm | 86.4 mm |
| Engine Stroke Size | 88 mm | 67.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1090 kg | 1074 kg |
| Vehicle Length | 4670 mm | 3550 mm |
| Vehicle Width | 1700 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2380 mm |
