1969 BMW 1600 vs. 2003 BMW 645
To start off, 2003 BMW 645 is newer by 34 year(s). Which means there will be less support and parts availability for 1969 BMW 1600. In addition, the cost of maintenance, including insurance, on 1969 BMW 1600 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP @ 6100 RPM) has 223 more horse power than 1969 BMW 1600. (98 HP @ 5500 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 1969 BMW 1600. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 899 kg more than 1969 BMW 1600. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 290 more torque (in Nm) than 1969 BMW 1600. (160 Nm @ 3500 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1969 BMW 1600.
Compare all specifications:
| 1969 BMW 1600 | 2003 BMW 645 | |
| Make | BMW | BMW |
| Model | 1600 | 645 |
| Year Released | 1969 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 98 HP | 321 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 160 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 80 mm | 82.7 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 996 kg | 1895 kg |
| Vehicle Length | 4240 mm | 4830 mm |
| Vehicle Width | 1600 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2790 mm |
| Fuel Tank Capacity | 46 L | 70 L |
