2004 Audi A4 vs. 1976 BMW 633
To start off, 2004 Audi A4 is newer by 28 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 2004 Audi A4. (187 HP @ 5100 RPM) In normal driving conditions, 1976 BMW 633 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 70 kg more than 1976 BMW 633.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1976 BMW 633. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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 5 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 1976 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 1976 BMW 633 | |
| Make | Audi | BMW |
| Model | A4 | 633 |
| Year Released | 2004 | 1976 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3210 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 187 HP | 197 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 280 Nm | 285 Nm |
| Torque RPM | 1800 RPM | 4250 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Top Speed | 233 km/hour | 211 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1470 kg |
| Vehicle Length | 4590 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2470 mm | 2630 mm |
| Fuel Tank Capacity | 63 L | 70 L |
