Is the Porsche 911 GT3 a good investment?

The thesis

The 997.1 GT3 with 3.6L Mezger engine (415hp) and 6-speed manual is the entry point into manual GT3 ownership. Average UK price £99k with top examples reaching £136k for very low miles. The 997.1 offers 90% of the 997.2 experience at a £20-30k discount, making it compelling for budget-conscious buyers. However, at the lower end of the stated budget, it may not represent the 'best car the budget affords.' Market is mid-cycle; prices have doubled since 2020 but remain below 997.2 and well below RS variants.