1991 BMW Z1 vs. 1977 Fiat 131
To start off, 1991 BMW Z1 is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Fiat 131. In addition, the cost of maintenance, including insurance, on 1977 Fiat 131 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP) has 122 more horse power than 1977 Fiat 131. (53 HP). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 1977 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW Z1 weights approximately 285 kg more than 1977 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, 1991 BMW Z1 (230 Nm @ 4000 RPM) has 136 more torque (in Nm) than 1977 Fiat 131. (94 Nm @ 2700 RPM). This means 1991 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 131.
Compare all specifications:
| 1991 BMW Z1 | 1977 Fiat 131 | |
| Make | BMW | Fiat |
| Model | Z1 | 131 |
| Year Released | 1991 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1296 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 53 HP |
| Torque | 230 Nm | 94 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 965 kg |
| Vehicle Length | 3960 mm | 4270 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1280 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2500 mm |
