Average Reliability

2023 GMC Yukon Pre-Purchase Inspection Checklist

5th Generation (T1XX) ยท 5.3L EcoTec3 V8 355hp / 6.2L EcoTec3 V8 420hp / 3.0L Duramax I6 Diesel 277hp ยท $54,000 - $82,000

Known Issues โ€” 2023 GMC Yukon

CRITICAL

DFM lifter failure on 5.3L and 6.2L V8

MODERATE

10-speed transmission rough shifts

MODERATE

Independent rear suspension rattle on rough roads

MODERATE

13.4-inch infotainment screen lag

MINOR

Power running board deployment failure

MINOR

Wireless CarPlay connectivity drops

What to Inspect

  • Check V8 for DFM lifter tick
  • Test 10-speed shift quality
  • Drive over rough roads for IRS rattle
  • Test 13.4-inch infotainment for lag
  • Test power running boards
  • Test wireless CarPlay connectivity

Expected Maintenance Costs

Service Interval Cost
Oil change (synthetic) every 7,500 miles $90-$130
Transmission fluid service every 45,000 miles $200-$350
Spark plugs (V8) every 60,000 miles $250-$400
Rear differential fluid every 45,000 miles $120-$180
Transfer case fluid every 45,000 miles $100-$150
Brake service (pads and rotors) every 50,000 miles $500-$750
DEF fluid refill (Diesel) every 10,000 miles $30-$60

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