INFINITI QX70, S51 (EU)

Additional Notes

• The front differential fluid capacity is 0.65 liter across all three engine variants of the INFINITI QX70 S51, covering the 3.0d V6, 3.7 V6, and 5.0 V8. This uniform figure applies regardless of model year range within the 2013-2019 span covered by the specifications.
• Rear differential fluid capacity differs between engine variants. The 3.7 V6 carries a rear differential capacity of 1.4 liters, while both the 3.0d V6 and 5.0 V8 share a larger rear differential capacity of 1.75 liters. The front differential capacity of 0.65 liters is notably smaller than any of the rear differential figures, reflecting the typically more compact construction of front differentials in all-wheel-drive platforms.
• For the 3.0d V6 in the 2013-2015 period, the front differential specifications list both preferred and alternative fluid designations, each carrying the same 0.65-liter capacity and identical check intervals. The preferred and alternative classifications indicate fluid type options rather than differences in fill volume or service frequency.
• Under normal use conditions, the 3.0d V6 front differential for 2013-2015 carries a check interval of 20,000 km or 12 months, while the same unit under severe conditions is checked at 15,000 km or 12 months and also requires a fluid change at 30,000 km or 24 months. The severe condition schedule adds a mandatory change interval that the normal condition schedule does not include.
• The 3.7 V6 and 5.0 V8 front differentials for 2013-2015 are checked at 15,000 km or 12 months under both normal and severe conditions, meaning the distance-based check interval does not shorten further under severe use for those variants. The severe condition entries for those configurations add a change interval of 30,000 km or 24 months on top of the standard check.
• Across all engine variants and both sub-period ranges, the rear differential under severe conditions requires a fluid change at 30,000 km or 24 months, while the normal condition entries specify only a check interval with no change interval listed.
• The 3.0d V6 rear differential under normal conditions is checked at 20,000 km or 12 months for the 2013-2015 period, and the same interval applies for the 2015-2017 period. The 3.7 V6 and 5.0 V8 rear differentials carry a shorter normal-condition check interval of 15,000 km or 12 months across their respective year ranges.
• From 2015 onward, the front differential specifications for all three engine variants consolidate into single normal and severe entries, replacing the preferred and alternative fluid classification structure used in the 2013-2015 rows. The capacity of 0.65 liters and the associated check intervals remain unchanged through the transition.