Audi Q7 3.0 TDI 233HP Quattro Tiptronic Technical Specs 2007: 233 PS (230 hp), Diesel, Fuel consumption:10.5 l/100km (22 MPG), Dimensions: Length: 200.31 in (508.8 cm), Width: 78.07 in (198.3 cm), Height: 68.39 in (173.7 cm) 3.0L V6 Turbocharged: timing chain: interference: lifetime: 2.0L 4 Cyl. Turbocharged: All 2007 Audi Q7 models have a timing chain and an interference engine. jYkdd.