2005 Audi A8 vs. 1979 BMW 633
To start off, 2005 Audi A8 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 BMW 633. In addition, the cost of maintenance, including insurance, on 1979 BMW 633 would be higher. At 4,134 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (322 HP @ 3750 RPM) has 128 more horse power than 1979 BMW 633. (194 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1979 BMW 633. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 475 kg more than 1979 BMW 633. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1979 BMW 633. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 2005 Audi A8 (650 Nm @ 1600 RPM) has 365 more torque (in Nm) than 1979 BMW 633. (285 Nm @ 4300 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 633. 2005 Audi A8 has automatic transmission and 1979 BMW 633 has manual transmission. 1979 BMW 633 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 1979 BMW 633 | |
| Make | Audi | BMW |
| Model | A8 | 633 |
| Year Released | 2005 | 1979 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 3210 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 194 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 285 Nm |
| Torque RPM | 1600 RPM | 4300 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 16.5:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1470 kg |
| Vehicle Length | 5070 mm | 4760 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2640 mm |
| Fuel Tank Capacity | 90 L | 70 L |
