1981 BMW 745 vs. 1973 Fiat 125
To start off, 1981 BMW 745 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Fiat 125. In addition, the cost of maintenance, including insurance, on 1973 Fiat 125 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 162 more horse power than 1973 Fiat 125. (90 HP @ 5600 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1973 Fiat 125. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 636 kg more than 1973 Fiat 125. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 745 (380 Nm @ 2200 RPM) has 249 more torque (in Nm) than 1973 Fiat 125. (131 Nm @ 4000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1973 Fiat 125. 1981 BMW 745 has automatic transmission and 1973 Fiat 125 has manual transmission. 1973 Fiat 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 745 | 1973 Fiat 125 | |
| Make | BMW | Fiat |
| Model | 745 | 125 |
| Year Released | 1981 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1608 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 90 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 380 Nm | 131 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 86 mm | 80 mm |
| Engine Compression Ratio | 8.0:1 | 8.8:1 |
| Top Speed | 227 km/hour | 161 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1596 kg | 960 kg |
| Vehicle Length | 4870 mm | 4230 mm |
| Vehicle Width | 1810 mm | 1610 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2430 mm |
| Fuel Tank Capacity | 100 L | 45 L |
