The 2023 CT4-V Blackwing with its 3.6L twin-turbo V6 is a high-performance track-capable sedan that suffers from catastrophic engine failures when driven hard, particularly related to lubrication system inadequacies under sustained high-RPM use. These are low-production specialty cars where the few failures we've seen have been dramatic and expensive.
Catastrophic Engine Failure - Spun Bearings Under Track Use
Occasional · high severityTypical onset: 5,000-25,000 mi
Symptoms: sudden loss of oil pressure during high-RPM track sessions, knocking or rattling from lower engine block, metal shavings in oil, engine seizure in extreme cases
Fix: Complete short block replacement or full engine rebuild required. Crankshaft, main bearings, connecting rod bearings, and often pistons need replacement. Typically 30-45 labor hours depending on whether you pull the engine. This is a known weak point when the car is used as intended on track with sustained 6,000+ RPM operation.
Estimated cost: $15,000-25,000
Piston Ring Failure and Cylinder Scoring
Rare · high severityTypical onset: 10,000-30,000 mi
Symptoms: excessive oil consumption (more than 1qt per 1,000 miles), blue smoke on startup or under load, loss of compression in one or more cylinders, rough idle and misfires
Fix: Requires cylinder head removal and piston replacement, often discovers cylinder wall scoring requiring overbore or replacement. Head gaskets must be replaced during reassembly. 25-35 labor hours. Often found during diagnosis of oil consumption complaints on performance-driven examples.
Estimated cost: $8,000-14,000
Transmission Oil Cooler Leaks
Occasional · medium severitySymptoms: transmission fluid spots under vehicle, low transmission fluid warnings, transmission overheating after spirited driving, fluid visible along cooler lines or connections
Fix: Cooler line connections or cooler itself develops leaks, particularly after heat cycling from performance use. Replacement involves dropping undertray, draining system, replacing cooler and lines as needed. 3-5 labor hours plus fluid refill and system flush.
Estimated cost: $800-1,500
Transmission Mount Failure
Common · low severityTypical onset: 15,000-40,000 mi
Symptoms: clunking on hard shifts or launch control use, excessive driveline vibration, transmission movement visible during throttle application, harsh engagement into gear
Fix: The 10-speed automatic's mounts wear prematurely under hard launches and aggressive driving. Mount replacement requires supporting transmission and removing bolts from underneath. 2-3 labor hours. Common on cars with frequent track or drag strip use.
Estimated cost: $400-800
Fuel System Contamination and Filter Clogging
Occasional · medium severitySymptoms: rough running and hesitation under load, lean fuel trim codes, fuel pump whining or surging, loss of power at high RPM
Fix: High-flow fuel system picks up tank debris or suffers from contaminated fuel, especially with the high fuel demands under boost. In-tank filter and sometimes pump replacement needed. Tank may require drop and cleaning. 4-6 labor hours depending on tank contamination level.
Estimated cost: $1,200-2,200
Only buy used if you can verify the previous owner babied it or if you have a $20K engine rebuild fund set aside - these are grenades when tracked hard, but reliable as expensive daily drivers if driven conservatively.
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.