The 2016 GranTurismo with the 4.7L V8 (Ferrari-derived F136 engine) is a handbuilt exotic that demands serious mechanical respect. While the engine itself is generally stout, transmission cooling issues and catastrophic rod bearing failures dominate the used-market nightmare stories.
Catastrophic Rod Bearing Failure (Spun Bearings)
Occasional · high severityTypical onset: 40,000-80,000 mi
Symptoms: metallic knocking from engine bay especially on cold start, loss of oil pressure warning, sudden engine seizure in worst cases, metal shavings in oil filter during changes
Fix: Complete engine teardown required; typically replaces all rod and main bearings, journals often need machining orcrankshaft replacement. If caught early, bearing replacement alone runs 25-30 hours. If crank is damaged or block scored, you're looking at short block replacement at 40-50 hours labor plus machine shop time. This is the reason GranTurismos depreciate hard.
Estimated cost: $8,000-25,000
ZF 6-Speed Automatic Transmission Oil Cooler Failure
Common · high severityTypical onset: 50,000-90,000 mi
Symptoms: transmission slipping or harsh shifts, transmission overheating warnings on dash, pink or milky transmission fluid indicating coolant cross-contamination, limp mode activation
Fix: Oil cooler fails internally allowing coolant and trans fluid to mix, destroying clutch packs. Requires cooler replacement (3-4 hours) but if contamination occurred, full transmission rebuild is necessary (20-25 hours). Flush both cooling system and transmission. Many shops recommend cooler replacement preventively on high-mileage examples.
Estimated cost: $1,200-8,500
Transmission Mounts Deterioration
Common · medium severityTypical onset: 60,000-100,000 mi
Symptoms: clunking during acceleration or deceleration, excessive drivetrain movement felt through chassis, vibration at idle in gear, visible cracks or separation in rubber mounts
Fix: Hydraulic transmission mounts fail due to heat and age. Replacement requires supporting transmission and unbolting mounts; typically 4-6 hours for both upper and lower mounts. OEM-only parts required as aftermarket options don't handle the NVH properly on this chassis.
Estimated cost: $1,800-2,800
Fuel System Hose Degradation and Filter Clogging
Occasional · medium severityTypical onset: 70,000-120,000 mi
Symptoms: rough idle or hesitation under load, extended cranking before start, fuel smell in cabin or engine bay, check engine light with lean codes
Fix: Fuel lines and rubber connectors deteriorate, causing leaks (safety recall addressed some). In-tank fuel filter clogs on older vehicles. Filter replacement requires tank drop (6-8 hours). Hose replacement depends on location but budget 3-5 hours for typical lines. Fuel pump replacement sometimes needed simultaneously.
Estimated cost: $1,200-3,000
Door Latch Mechanism Failure
Occasional · low severitySymptoms: door will not latch closed, door ajar warning with door fully closed, inability to open door from inside or outside, manual emergency release required
Fix: Latch assemblies fail due to micro-switch or mechanical pawl wear (recall issued for some). Replacement requires door panel removal and latch assembly swap, 2-3 hours per door. Maserati-specific part with no aftermarket alternative.
Estimated cost: $800-1,400
Shift Solenoid Pack Failures (ZF 6-Speed)
Occasional · medium severityTypical onset: 80,000-130,000 mi
Symptoms: harsh or delayed shifts between specific gears, transmission fault codes for solenoid performance, intermittent limp mode, erratic shift points
Fix: Individual solenoids or entire mechatronic sleeve can fail. Diagnosis requires scan tool with ZF-specific functions. Pan drop and solenoid replacement runs 6-8 hours; if mechatronic unit needs replacement, budget 10-12 hours. Software adaptation required after replacement.
Estimated cost: $2,000-5,000
Only buy if you have a $10k repair fund sitting idle and accept that one catastrophic bearing failure can total the car economically — spectacular to drive but financially punishing to own.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.