2004 Audi A4 vs. 1973 BMW 1502
To start off, 2004 Audi A4 is newer by 31 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 116 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 680 kg more than 1973 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Audi A4 (451 Nm @ 1400 RPM) has 321 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 2004 Audi A4 | 1973 BMW 1502 | |
| Make | Audi | BMW |
| Model | A4 | 1502 |
| Year Released | 2004 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 85 HP |
| Engine RPM | 3500 RPM | 5800 RPM |
| Torque | 451 Nm | 130 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 71 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 930 kg |
| Vehicle Length | 4590 mm | 4240 mm |
| Vehicle Width | 1770 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2430 mm | 2510 mm |
| Fuel Tank Capacity | 63 L | 50 L |
