1966 Alfa Romeo Giulia vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 40 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Giulia 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 223 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 720 kg more than 1966 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW 645 (450 Nm @ 3600 RPM) has 317 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Giulia.
Compare all specifications:
| 1966 Alfa Romeo Giulia | 2006 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Giulia | 645 |
| Year Released | 1966 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 328 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 133 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 78 mm | 92 mm |
| Engine Stroke Size | 82 mm | 82.7 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 972 kg | 1692 kg |
| Vehicle Length | 4130 mm | 4830 mm |
| Vehicle Width | 1670 mm | 1860 mm |
| Vehicle Height | 1250 mm | 1380 mm |
| Wheelbase Size | 2260 mm | 2790 mm |
| Fuel Tank Capacity | 100 L | 70 L |
