For sale Infiniti G37s Coupe 2009 - Sporty & Clean. Are you looking for a powerful and stylish coupe? The Infiniti G37s Coupe is a wonderful blend of performance, comfort, and value. Model 2009, color silver, mileage 140,000+ miles, US specifications. Engine and transmission in excellent condition, clean interior, well-maintained. Key highlights: fully loaded, powerful V6 engine performance, 335 HP, smooth automatic transmission, coupe design.