2009 Audi A4 vs. 1972 McLaren M21
To start off, 2009 Audi A4 is newer by 37 year(s). Which means there will be less support and parts availability for 1972 McLaren M21. In addition, the cost of maintenance, including insurance, on 1972 McLaren M21 would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 135 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 885 kg more than 1972 McLaren M21.
Compare all specifications:
| 2009 Audi A4 | 1972 McLaren M21 | |
| Make | Audi | McLaren |
| Model | A4 | M21 |
| Year Released | 2009 | 1972 |
| Engine Size | 1984 cc | 1927 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 283 HP |
| Engine RPM | 6000 RPM | 9000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1350 kg | 465 kg |
