1986 Fiat Ritmo vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Fiat Ritmo. In addition, the cost of maintenance, including insurance, on 1986 Fiat Ritmo would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 245 more horse power than 1986 Fiat Ritmo. (83 HP @ 5600 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1986 Fiat Ritmo. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 895 kg more than 1986 Fiat Ritmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 BMW 645 (451 Nm @ 3600 RPM) has 324 more torque (in Nm) than 1986 Fiat Ritmo. (127 Nm @ 3000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1986 Fiat Ritmo.
Compare all specifications:
| 1986 Fiat Ritmo | 2004 BMW 645 | |
| Make | Fiat | BMW |
| Model | Ritmo | 645 |
| Year Released | 1986 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1498 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 83 HP | 328 HP |
| Engine RPM | 5600 RPM | 6100 RPM |
| Torque | 127 Nm | 451 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 71.5 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 920 kg | 1815 kg |
| Vehicle Length | 4040 mm | 4830 mm |
| Vehicle Width | 1660 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2460 mm | 2790 mm |
| Fuel Tank Capacity | 57 L | 70 L |
