1990 Alfa Romeo 33 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo 33 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 201 more horse power than 1990 Alfa Romeo 33. (127 HP @ 6500 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1990 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 725 kg more than 1990 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Alfa Romeo 33 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1990 Alfa Romeo 33 will offer significantly more control. 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 645 (450 Nm @ 3600 RPM) has 301 more torque (in Nm) than 1990 Alfa Romeo 33. (149 Nm @ 4600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo 33.
Compare all specifications:
| 1990 Alfa Romeo 33 | 2006 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | 33 | 645 |
| Year Released | 1990 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1712 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 127 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 149 Nm | 450 Nm |
| Torque RPM | 4600 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 72 mm | 83 mm |
| Top Speed | 196 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1085 kg | 1810 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2480 mm | 2790 mm |
| Fuel Consumption Overall | 6.6 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 50 L | 70 L |
