Meetthe all-new Jeep® Grand Cherokee. Now available in 5 or 7 seats. Meet the all-new Jeep® Grand Cherokee. Now available in 5 or 7 seats. JEEP REVIEWS; VIew 360° CORPORATE PARTNER PROGRAM; Find a Dealer; CLOSE. STANDARD MODELS. GRAND CHEROKEE PREMIUM 5 & 7 SEAT SUV WILDLY CIVILISED." data-cats 888 US qt. 7.39 UK qt. 8.4 L. Engine oil: ACEA C3. Replacing engine oil in your 2015 Jeep Grand Cherokee is quite an easy task. It's a bit dirty, but everyone can handle it. It will take about 30 – 60 minutes depends on your skill level and might save you $10 – $30 depends on the region you live in. First unscrew the refill cap on the top IAZqEV.