2002 Audi S4 vs. 1973 BMW 2004
To start off, 2002 Audi S4 is newer by 29 year(s). Which means there will be less support and parts availability for 1973 BMW 2004. In addition, the cost of maintenance, including insurance, on 1973 BMW 2004 would be higher. At 4,163 cc (8 cylinders), 2002 Audi S4 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 242 more horse power than 1973 BMW 2004. (97 HP @ 5800 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 1973 BMW 2004. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 700 kg more than 1973 BMW 2004. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 2004. In wet, icy, snow, or gravel driving conditions, 2002 Audi S4 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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 253 more torque (in Nm) than 1973 BMW 2004. (157 Nm @ 3000 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 2004.
Compare all specifications:
| 2002 Audi S4 | 1973 BMW 2004 | |
| Make | Audi | BMW |
| Model | S4 | 2004 |
| Year Released | 2002 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 97 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 157 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.6 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1720 kg | 1020 kg |
| Vehicle Length | 4580 mm | 4420 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
