2009 Audi A4 vs. 1976 BMW 633
To start off, 2009 Audi A4 is newer by 33 year(s). Which means there will be less support and parts availability for 1976 BMW 633. In addition, the cost of maintenance, including insurance, on 1976 BMW 633 would be higher. At 3,210 cc (6 cylinders), 1976 BMW 633 is equipped with a bigger engine. In terms of performance, 1976 BMW 633 (197 HP @ 5500 RPM) has 10 more horse power than 2009 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 1976 BMW 633 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 633 weights approximately 20 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1976 BMW 633 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 633. However, in wet, icy, snow, or gravel driving conditions, 2009 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 633 (285 Nm @ 4250 RPM) has 45 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 1976 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 1976 BMW 633 | |
| Make | Audi | BMW |
| Model | A4 | 633 |
| Year Released | 2009 | 1976 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3210 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 187 HP | 197 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 240 Nm | 285 Nm |
| Torque RPM | 1950 RPM | 4250 RPM |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Top Speed | 236 km/hour | 211 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1470 kg |
| Vehicle Length | 4550 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 70 L |
