1966 Audi Variant vs. 2003 BMW 645
To start off, 2003 BMW 645 is newer by 37 year(s). Which means there will be less support and parts availability for 1966 Audi Variant. In addition, the cost of maintenance, including insurance, on 1966 Audi Variant 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 (325 HP @ 6100 RPM) has 254 more horse power than 1966 Audi Variant. (71 HP @ 5000 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 1966 Audi Variant. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 620 kg more than 1966 Audi Variant. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1966 Audi Variant, 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 322 more torque (in Nm) than 1966 Audi Variant. (128 Nm @ 2800 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1966 Audi Variant.
Compare all specifications:
| 1966 Audi Variant | 2003 BMW 645 | |
| Make | Audi | BMW |
| Model | Variant | 645 |
| Year Released | 1966 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1696 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 71 HP | 325 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 128 Nm | 450 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 92 mm |
| Engine Stroke Size | 84.4 mm | 82.7 mm |
| Engine Compression Ratio | 10.6:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Vehicle Weight | 1070 kg | 1690 kg |
| Vehicle Length | 4390 mm | 4830 mm |
| Vehicle Width | 1630 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
