German consumer prices climbed 1.6 percent year-on-year in April, as previously estimated, final data from Destatis showed Wednesday. On a month-on-month basis, the consumer price index remained unchanged in April, after rising 0.4 percent in March. Energy prices gained 1.3 percent on year in April. Excluding energy, inflation was 1.6 percent. The harmonized index of consumer prices, the HICP, increased 1.4 percent annually, as estimated, slightly slower than the 1.5 percent rise in March. On a monthly basis, the index fell 0.1 percent as estimated.