1974 BMW 1502 vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 32 year(s). Which means there will be less support and parts availability for 1974 BMW 1502. In addition, the cost of maintenance, including insurance, on 1974 BMW 1502 would be higher. At 1,581 cc (4 cylinders), 2006 Fiat Siena is equipped with a bigger engine. In terms of performance, 2006 Fiat Siena (101 HP @ 5500 RPM) has 18 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM) In normal driving conditions, 2006 Fiat Siena should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 853 kg more than 1974 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Fiat Siena (140 Nm @ 4000 RPM) has 10 more torque (in Nm) than 1974 BMW 1502. (130 Nm @ 3500 RPM). This means 2006 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 1502.
Compare all specifications:
| 1974 BMW 1502 | 2006 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 1502 | Siena |
| Year Released | 1974 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 83 HP | 101 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 130 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86.4 mm |
| Engine Stroke Size | 71 mm | 67.4 mm |
| Engine Compression Ratio | 8.6:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1783 kg |
| Vehicle Length | 4240 mm | 3830 mm |
| Vehicle Width | 1600 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2380 mm |
| Fuel Tank Capacity | 50 L | 54 L |
