2004 Alfa Romeo GT vs. 1972 McLaren M21
To start off, 2004 Alfa Romeo GT is newer by 32 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 3,179 cc (6 cylinders), 2004 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (283 HP @ 9000 RPM) has 46 more horse power than 2004 Alfa Romeo GT. (237 HP @ 6200 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2004 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo GT weights approximately 950 kg more than 1972 McLaren M21.
Compare all specifications:
| 2004 Alfa Romeo GT | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | GT | M21 |
| Year Released | 2004 | 1972 |
| Engine Size | 3179 cc | 1927 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 283 HP |
| Engine RPM | 6200 RPM | 9000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1415 kg | 465 kg |
