2005 Fiat Siena vs. 1978 Mazda 929
To start off, 2005 Fiat Siena is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 1,769 cc (4 cylinders), 1978 Mazda 929 is equipped with a bigger engine. In terms of performance, 2005 Fiat Siena (124 HP @ 4000 RPM) has 41 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2005 Fiat Siena should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Fiat Siena weights approximately 25 kg more than 1978 Mazda 929. 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 Fiat Siena (140 Nm @ 4000 RPM) has 6 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2005 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2005 Fiat Siena | 1978 Mazda 929 | |
| Make | Fiat | Mazda |
| Model | Siena | 929 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 140 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 86.4 mm | 80 mm |
| Engine Stroke Size | 67.4 mm | 88 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1095 kg | 1070 kg |
| Wheelbase Size | 2450 mm | 2520 mm |
| Fuel Tank Capacity | 47 L | 55 L |
