2007 Audi A4 vs. 1971 BMW 3
To start off, 2007 Audi A4 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 BMW 3. In addition, the cost of maintenance, including insurance, on 1971 BMW 3 would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 72 more horse power than 1971 BMW 3. (180 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1971 BMW 3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 318 kg more than 1971 BMW 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 75 more torque (in Nm) than 1971 BMW 3. (255 Nm @ 3700 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW 3.
Compare all specifications:
| 2007 Audi A4 | 1971 BMW 3 | |
| Make | Audi | BMW |
| Model | A4 | 3 |
| Year Released | 2007 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2986 cc |
| Horse Power | 252 HP | 180 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 330 Nm | 255 Nm |
| Torque RPM | 3250 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 12.5:1 | 9.0:1 |
| Top Speed | 250 km/hour | 211 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1380 kg |
| Vehicle Length | 4580 mm | 4740 mm |
| Vehicle Width | 1400 mm | 1700 mm |
| Vehicle Height | 1780 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2670 mm |
