1978 Fiat Ritmo vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Fiat Ritmo. In addition, the cost of maintenance, including insurance, on 1978 Fiat Ritmo would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 265 more horse power than 1978 Fiat Ritmo. (73 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1978 Fiat Ritmo. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 845 kg more than 1978 Fiat Ritmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1978 Fiat Ritmo, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 321 more torque (in Nm) than 1978 Fiat Ritmo. (118 Nm @ 3000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat Ritmo. 2005 BMW 645 has automatic transmission and 1978 Fiat Ritmo has manual transmission. 1978 Fiat Ritmo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Fiat Ritmo | 2005 BMW 645 | |
| Make | Fiat | BMW |
| Model | Ritmo | 645 |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1498 cc | 4390 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 73 HP | 338 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 118 Nm | 439 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 870 kg | 1715 kg |
| Vehicle Length | 3940 mm | 4830 mm |
| Vehicle Width | 1660 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1380 mm |
| Wheelbase Size | 2430 mm | 2790 mm |
| Fuel Tank Capacity | 51 L | 70 L |
