2009 BMW Z4 vs. 1979 Fiat 131
To start off, 2009 BMW Z4 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Fiat 131. In addition, the cost of maintenance, including insurance, on 1979 Fiat 131 would be higher. At 2,494 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 144 more horse power than 1979 Fiat 131. (71 HP @ 4200 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1979 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 80 kg more than 1979 Fiat 131. 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, 2009 BMW Z4 (250 Nm @ 2000 RPM) has 98 more torque (in Nm) than 1979 Fiat 131. (152 Nm @ 2400 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Fiat 131.
Compare all specifications:
| 2009 BMW Z4 | 1979 Fiat 131 | |
| Make | BMW | Fiat |
| Model | Z4 | 131 |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2443 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 71 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 250 Nm | 152 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 1290 kg | 1210 kg |
| Vehicle Length | 4100 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2500 mm |
