2004 Audi A4 vs. 1976 BMW 630
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 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, 2004 Audi A4 (201 HP @ 3500 RPM) has 28 more horse power than 1976 BMW 630. (173 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1976 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 152 kg more than 1976 BMW 630. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1976 BMW 630. 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 200 more torque (in Nm) than 1976 BMW 630. (251 Nm @ 4500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1976 BMW 630.
Compare all specifications:
| 2004 Audi A4 | 1976 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2004 | 1976 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 173 HP |
| Engine RPM | 3500 RPM | 5500 RPM |
| Torque | 451 Nm | 251 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91.4 mm | 80 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1458 kg |
| Vehicle Length | 4590 mm | 4760 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2430 mm | 2630 mm |
