This study aims to determine the effect of advertising credibility and perceived quality of purchasing decisions on Yamaha NMAX motorbikes at Yamaha BKR branch dealers, Bandung. The method used is descriptive and verification methods with quantitative approaches. Samples taken using simple random sampling technique, amounting to 79 respondents, namely consumers who have purchased a Yamaha NMAX motorcycle at the Yamaha Dealer BKR branch. Analysis of research data using multiple linear regression analysis, multiple correlation coefficient, coefficient of multiple determination, and hypothesis testing. Correlation test results show that the relationship between advertising credibility and perceived quality of purchasing decisions on Yamaha NMAX motorcycles is strong. The magnitude of the coefficient of determination indicates the contribution of 80.6% of the independent variables in explaining the dependent variable. The results of hypothesis testing indicate that both partially and simultaneously, advertising credibility and perceived quality affect the purchasing decisions of Yamaha NMAX motorcycles.

Penelitian ini bertujuan untuk mengetahui pengaruh kredibilitas iklan dan persepsi kualitas terhadap keputusan pembelian sepeda motor Yamaha NMAX di dealer Yamaha cabang BKR, Bandung. Metode yang digunakan yaitu metode deskriptif dan verifikatif dengan pendekatan kuantitatif. Sampel yang diambil dengan menggunakan teknik simple random sampling, berjumlah 79 responden yaitu konsumen yang sudah melakukan pembelian sepeda motor Yamaha NMAX di Dealer Yamaha cabang BKR. Analisis data penelitian menggunakan analisis regresi linear berganda, koefisien korelasi bergarnda, koefisien determinasi berganda, dan uji hipotesis. Hasil uji korelasi menunjukan bahwa hubungan antara kredibilitas iklan dan persepsi kualitas terhadap keputusan pembelian sepeda motor Yamaha NMAX adalah kuat. Besarnya nilai koefisien determinasi menunjukkan adanya kontribusi sebesar 80,6% dari variabel independen dalam menjelaskan variabel dependen. Hasil pengujian hipotesis menunjukkan bahwa baik secara parsial maupun simultan, kredibilitas iklan dan persepsi kualitas berpengaruh secara terhadap keputusan pembelian sepeda motor Yamaha NMAX.