Back to search

2019 TESLA MODEL 3

Long Range Dual Motor AWD•AWD•AUTOMATIC•ev
5-Year Cost of Ownership
$10,961 maintenance + known platform issues
~$2,192/yr · 180¢/mile equivalent · $2,220 maintenance + $8,041 expected platform issues
Compare this engine
vs
Performance Dual Motor AWD
vs
Standard Range Single Motor RWD
Common Problems & Known Issues

The 2019 Model 3 is generally reliable for an early-generation EV, but suffers from specific drivetrain mount failures, HVAC system weaknesses, and some high-voltage component issues that can be expensive when they occur outside warranty.

Rear Drive Unit Motor Mounts Failure

Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: Clunking or thunking noise from rear on acceleration or deceleration, Vibration through floorboard especially during regen braking, Excessive drivetrain movement visible under car during hard launches
Fix: Requires lifting vehicle and replacing rear motor mounts, typically both sides done together. 2.5-3.5 hours labor. Tesla updated the part design mid-2019 but early cars got weaker mounts.
Estimated cost: $800-1,200

Drive Unit (Motor/Inverter Assembly) Failure

Occasional · high severity
Typical onset: 60,000-120,000 mi
Symptoms: Whining, grinding, or humming noise from motor that increases with speed, Reduced power or limp mode warnings on screen, Drive unit overheating alerts, Complete loss of propulsion in severe cases
Fix: Entire drive unit replacement required—no individual motor rebuilds available. Rear unit 6-8 hours, front unit (AWD) 8-10 hours. Tesla often replaces under goodwill even out of warranty due to prevalence. Fluid contamination or bearing failures most common.
Estimated cost: $7,000-12,000

AC Evaporator Coil Corrosion/Leak

Occasional · medium severity
Symptoms: Weak or no cold air from climate system, Musty smell from vents, Refrigerant low warning or AC system fault, Condensation puddles inside cabin near footwells
Fix: Requires complete dash removal to access evaporator—one of the worst jobs on this car. 12-16 hours labor. Design flaw allowed road salt and moisture intrusion. Tesla issued TSB but no recall.
Estimated cost: $2,500-4,000

High Voltage Battery Coolant Leaks

Occasional · high severity
Typical onset: 50,000-90,000 mi
Symptoms: Orange/pink coolant puddles under vehicle center, Battery heating/cooling system fault messages, Reduced charging speed or range, Battery temperature warnings especially in extreme weather
Fix: Usually failed quick-disconnect fittings or cracked coolant lines at battery pack. Minor leaks can be fixed without pack removal (3-5 hours), but internal pack leaks require full battery drop and module work (15-20+ hours). Coolant is expensive specialized glycol blend.
Estimated cost: $1,200-8,000

12V Battery Premature Failure

Common · medium severity
Typical onset: 30,000-60,000 mi
Symptoms: Car won't wake up or unlock via app or key card, Warning to replace 12V battery soon on screen, Accessories not working when parked, Frunk won't open electrically
Fix: Early cars used undersized lead-acid 12V batteries that fail much sooner than expected. Replacement is straightforward but requires removing front undertray and service mode activation. 1-1.5 hours. Later TSB upgraded to lithium 12V.
Estimated cost: $300-500

Touchscreen MCU (Media Control Unit) Yellowing/Failure

Occasional · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Screen edges turning yellow or brown, Touchscreen unresponsive or laggy, Backup camera not displaying or freezing, Random reboots while driving
Fix: 2019 cars came with MCU2 which uses eMMC memory that wears out. Tesla offered upgrade program to MCU3 ($1,500 from Tesla). Indie shops can replace MCU assembly in 2-3 hours but requires configuration and software.
Estimated cost: $1,500-2,500

Charge Port Door and Latch Failures

Common · low severity
Symptoms: Charge port won't open when pressed or via screen, Door stuck open and won't close, Charging cable won't lock or unlock from port, Charge port light not illuminating
Fix: Usually actuator motor or latch mechanism inside door. Access from behind rear light assembly. 1.5-2 hours labor. Cold weather and frequent use accelerate wear. Some early cars had revised latch TSB.
Estimated cost: $400-700
Owner tips
  • Change drive unit fluid every 50,000 miles despite Tesla saying 'lifetime'—it's cheap insurance against $10k motor replacements
  • Keep an eye on your 12V battery health in the service menu; replace proactively around 3 years even if no warning yet
  • If you live in salt states, rinse underbody regularly and consider annual HVAC evaporator treatment to prevent corrosion
  • Budget $1,500-2,000/year for out-of-warranty surprises on 2019 models—they're past the 4yr/50k basic warranty sweet spot now
Buy if under 60k miles with service records showing drive unit fluid changes and 12V battery replacement; avoid high-mileage AWD cars without extended warranty coverage for drivetrain.
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.
406 jobs across 19 categories
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included. Built by the same team.
Try ShopBase →