The verdict: On longevity they're evenly matched (long (8-10h) vs long (8-10h)) — skin chemistry will decide. Character-wise, Prada Luna Rossa wears fresher and brighter while Bleu de Chanel sits warmer and richer. Bleu de Chanel keeps working in summer.
Bleu de Chanel (EDP, 2014) against Prada Luna Rossa (EDT, 2017): They share a woody-citrus backbone, which is why shoppers cross-shop them constantly. Here's the honest, note-by-note breakdown — longevity, sillage, seasons, and who each one is actually for.
Chanel · EDP · 2014 · Men's
Accords: woody · citrus · amber · aromatic · fresh spicy
Top: Grapefruit, Lemon, Mint, Pink Pepper, Aldehydes · Heart: Ginger, Nutmeg, Jasmine, Iso E Super · Base: Incense, Vetiver, Cedar, Sandalwood, Patchouli, Labdanum, White Musk
Longevity: long (8-10h) · Sillage: strong
Seasons: spring, summer, fall, winter · Best for: everyday, office, date night, night out, special occasion
Prada · EDT · 2017 · Men's
Accords: fresh spicy · lavender · woody · mineral · citrus · patchouli
Top: Bergamot · Heart: Lavender, Black Pepper, Mineral/Coal accord · Base: Patchouli, Ambroxan, Metallic notes
Longevity: long (8-10h) · Sillage: strong
Seasons: fall, winter, spring · Best for: everyday, office, date night, night out