1985 Alfa Romeo Arna vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 19 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo Arna. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo Arna 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 234 more horse power than 1985 Alfa Romeo Arna. (94 HP @ 5800 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1985 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 770 kg more than 1985 Alfa Romeo Arna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1985 Alfa Romeo Arna, 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 320 more torque (in Nm) than 1985 Alfa Romeo Arna. (130 Nm @ 4000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Arna.
Compare all specifications:
1985 Alfa Romeo Arna | 2004 BMW 645 | |
Make | Alfa Romeo | BMW |
Model | Arna | 645 |
Year Released | 1985 | 2004 |
Engine Position | Front | Front |
Engine Size | 1490 cc | 4398 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 94 HP | 328 HP |
Engine RPM | 5800 RPM | 6100 RPM |
Torque | 130 Nm | 450 Nm |
Torque RPM | 4000 RPM | 3600 RPM |
Engine Bore Size | 84 mm | 92 mm |
Engine Stroke Size | 67.2 mm | 82.7 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 4 seats |
Vehicle Weight | 920 kg | 1690 kg |
Vehicle Length | 4010 mm | 4830 mm |
Vehicle Width | 1630 mm | 1860 mm |
Vehicle Height | 1350 mm | 1380 mm |
Wheelbase Size | 2430 mm | 2830 mm |