1983 BMW 525 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 24 year(s). Which means there will be less support and parts availability for 1983 BMW 525. In addition, the cost of maintenance, including insurance, on 1983 BMW 525 would be higher. At 2,693 cc (6 cylinders), 1983 BMW 525 is equipped with a bigger engine. In terms of performance, 1983 BMW 525 (123 HP @ 4250 RPM) has 55 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 1983 BMW 525 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1983 BMW 525 weights approximately 160 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1983 BMW 525 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 1983 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 1983 BMW 525 (241 Nm @ 3250 RPM) has 106 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 1983 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 1983 BMW 525 | 2007 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 525 | Siena |
| Year Released | 1983 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 1697 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 68 HP |
| Engine RPM | 4250 RPM | 4600 RPM |
| Torque | 241 Nm | 135 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Top Speed | 185 km/hour | 160 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1090 kg |
| Vehicle Length | 4630 mm | 4140 mm |
| Vehicle Width | 1710 mm | 1640 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2630 mm | 2380 mm |
| Fuel Tank Capacity | 70 L | 47 L |
