2006 Audi A3 vs. 1973 BMW 1502
To start off, 2006 Audi A3 is newer by 33 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 1,984 cc (4 cylinders), 2006 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A3 (148 HP @ 6000 RPM) has 63 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A3 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A3 weights approximately 345 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, 2006 Audi A3 (200 Nm @ 3500 RPM) has 70 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2006 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 2006 Audi A3 | 1973 BMW 1502 | |
| Make | Audi | BMW |
| Model | A3 | 1502 |
| Year Released | 2006 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1573 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 85 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 200 Nm | 130 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 71 mm |
| Engine Compression Ratio | 11.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1275 kg | 930 kg |
| Vehicle Length | 4210 mm | 4240 mm |
| Vehicle Width | 1770 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2510 mm |
| Fuel Tank Capacity | 55 L | 50 L |
