2003 Alfa Romeo GT vs. 1972 McLaren M21
To start off, 2003 Alfa Romeo GT is newer by 31 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 3,172 cc (6 cylinders), 2003 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 1972 McLaren M21 (267 HP @ 10000 RPM) has 30 more horse power than 2003 Alfa Romeo GT. (237 HP @ 6200 RPM) In normal driving conditions, 1972 McLaren M21 should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo GT weights approximately 945 kg more than 1972 McLaren M21.
Compare all specifications:
| 2003 Alfa Romeo GT | 1972 McLaren M21 | |
| Make | Alfa Romeo | McLaren |
| Model | GT | M21 |
| Year Released | 2003 | 1972 |
| Engine Size | 3172 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 267 HP |
| Engine RPM | 6200 RPM | 10000 RPM |
| Vehicle Weight | 1410 kg | 465 kg |
