2006 BMW Z4 vs. 1976 Fiat 131
To start off, 2006 BMW Z4 is newer by 30 year(s). Which means there will be less support and parts availability for 1976 Fiat 131. In addition, the cost of maintenance, including insurance, on 1976 Fiat 131 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 51 more horse power than 1976 Fiat 131. (138 HP @ 6400 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1976 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 295 kg more than 1976 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 68 more torque (in Nm) than 1976 Fiat 131. (177 Nm @ 3800 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1976 Fiat 131.
Compare all specifications:
| 2006 BMW Z4 | 1976 Fiat 131 | |
| Make | BMW | Fiat |
| Model | Z4 | 131 |
| Year Released | 2006 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 138 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 245 Nm | 177 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 235 km/hour | 190 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1040 kg |
| Vehicle Length | 4100 mm | 4200 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2430 mm |
| Fuel Tank Capacity | 55 L | 50 L |
