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Infiniti: reliability & common problems

#11 of 24
Longevity rank#1 Tesla holds up to ~190k
~121k
Trouble-free mileageacross all body styles
93
Infinitis inspectedreal pre-purchase inspections
60/100
Average conditionall cars we check: 61/100



Based on 93 used Infinitis we inspected, they are in about average shape — average condition 60/100 vs 61 for all cars we check. Every number on this page comes from real pre-purchase inspections — cars people were about to buy and paid an independent inspector to go through point by point, engine to underbody, paint depth to error codes. Not owner surveys, not warranty statistics, not forum lore: what we actually found.

What we found

Most common faults

Oil leaks · Engine
57%
Tires condition & wear · Brakes and tires
49%
Active error codes · Electronic equipment
35%
Fluid leaks · Steering (hydraulic power)
35%
Low coolant / cooling system issues · Engine
31%

Share of inspected Infinitis where each item was flagged.

How they score

Excellent 26% Good 28% Mediocre 26% Poor 20%
Hidden history

What the seller might not mention — how often we find it on Infinitis.

83%had a repainted or replaced panelall cars: 75%
8%showed structural repairall cars: 4%
26%had fault codes recently clearedall cars: 23%

Compare with another brand:

Cross-shopping? Infiniti vs BMW · Infiniti vs Lexus · Infiniti vs Mercedes

How long does a Infiniti last?

Across every Infiniti body style we've inspected — sedans, SUVs and anything else pooled together — the average one's condition dips below decent (a 55/100 score) around ~121k miles. It ranks Infiniti #11 of 24 brands we have enough data to rate; the longest-lasting, Tesla, holds up to ~190k. Shopping a Infiniti near that mileage? Expect more wear ahead — see which makes give the best odds at your budget.



Good cars by mileage
0 25 50 75 100 40–60k mi: 86% in good shape (14 cars) 60–80k mi: 83% in good shape (12 cars) 80–100k mi: 59% in good shape (22 cars) 100–120k mi: 31% in good shape (13 cars) 120–140k mi: 18% in good shape (11 cars) 140–160k mi: 71% in good shape (7 cars) 160–180k mi: 14% in good shape (7 cars) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
0 25 50 75 100 3 years old: 100% in good shape (5 cars) 4 years old: 86% in good shape (7 cars) 5 years old: 75% in good shape (8 cars) 6 years old: 50% in good shape (6 cars) 7 years old: 33% in good shape (6 cars) 8 years old: 45% in good shape (11 cars) 9 years old: 57% in good shape (7 cars) 10 years old: 38% in good shape (8 cars) 11 years old: 50% in good shape (8 cars) 12 years old: 40% in good shape (5 cars) 13 years old: 50% in good shape (6 cars) 14 years old: 40% in good shape (5 cars) 2y 4y 6y 8y 10y 12y 14y 16y vehicle age when we inspected it

Share of Infinitis in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; rolled-back odometers excluded from the mileage curve). The dashed grey curve is all cars we check.



Infiniti models we've inspected
Q50 18 cars · profile soon G37 16 cars · profile soon QX60 14 cars · profile soon

Recently inspected:

2022 Infiniti QX60 · 36k mi — flagged: low coolant / cooling system issues, oil leaks, battery condition. Inspected Sep 8.
2022 Infiniti QX80 · 75k mi — flagged: battery condition, fault codes recently cleared, vibration. Inspected Sep 7.
The bottom line

Treat an Infiniti as a car that often looks fresher than it is. Pop the hood first: oil leaks dominate, with cooling trouble and hydraulic steering seepage close behind, so a wet engine bay or low coolant is your cue to walk or slash the price. Then distrust the sheet metal—repaints are common and structural repairs run high—so demand a frame and underbody look and leave if you find crash work. Stay well below 121,000 miles, where condition still holds, scan for codes yourself even if the dash is clean, and treat tired tires as bargaining chips.

FAQ
?
Is Infiniti reliable?
54% of the 93 Infinitis we inspected scored 60/100 or higher, averaging 60/100 — they are in about average shape.
?
What are the most common problems with a used Infiniti?
Across the Infinitis we inspected, the items we flag most often are oil leaks (57%), tires condition & wear (49%), active error codes (35%).
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Based on 93 inspections · updated Sep 11, 2026