2005 Audi A4 vs. 1976 BMW 630
To start off, 2005 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 BMW 630. In addition, the cost of maintenance, including insurance, on 1976 BMW 630 would be higher. At 2,986 cc (6 cylinders), 1976 BMW 630 is equipped with a bigger engine. In terms of performance, 1976 BMW 630 (173 HP @ 5500 RPM) has 12 more horse power than 2005 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 1976 BMW 630 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 82 kg more than 1976 BMW 630.
Because 1976 BMW 630 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 1976 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, 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, 1976 BMW 630 (251 Nm @ 4500 RPM) has 20 more torque (in Nm) than 2005 Audi A4. (231 Nm @ 1950 RPM). This means 1976 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1976 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2005 | 1976 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2986 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 161 HP | 173 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 231 Nm | 251 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1458 kg |
| Vehicle Length | 4580 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2770 mm | 2630 mm |
