2006 Audi A4 vs. 1974 BMW 1502
To start off, 2006 Audi A4 is newer by 32 year(s). Which means there will be less support and parts availability for 1974 BMW 1502. In addition, the cost of maintenance, including insurance, on 1974 BMW 1502 would be higher. At 1,781 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (187 HP @ 5700 RPM) has 104 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 465 kg more than 1974 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, 2006 Audi A4 (240 Nm @ 1950 RPM) has 110 more torque (in Nm) than 1974 BMW 1502. (130 Nm @ 3500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 1502.
Compare all specifications:
| 2006 Audi A4 | 1974 BMW 1502 | |
| Make | Audi | BMW |
| Model | A4 | 1502 |
| Year Released | 2006 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1574 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 187 HP | 83 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 240 Nm | 130 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 71 mm |
| Engine Compression Ratio | 9.3:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1395 kg | 930 kg |
| Vehicle Length | 4550 mm | 4240 mm |
| Vehicle Width | 1780 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 50 L |
