Generation 3 models (2010–2015) are known for burning oil once they cross 100k miles. Check the dipstick; if it’s bone dry, the previous owner may have caused engine damage. 2. Service History Milestones
At 100k miles, a Prius needs more than just oil changes. Verify if the following have been done: buying a used prius with over 100 000 miles
Most common on the used market. Best looking/driving of the older models, but watch for the head gasket and EGR issues mentioned above. Generation 3 models (2010–2015) are known for burning
The "tank." Incredibly reliable but prone to dashboard display failures and catalytic converter theft. Service History Milestones At 100k miles, a Prius
This is the elephant in the room. If it hasn't been replaced, it’s likely nearing the end of its life (usually 12–15 years or 150k miles). Ask for a battery health test or use a Bluetooth OBDII scanner with the "Dr. Prius" app to check the blade voltages yourself.
On 2010–2015 models, the Exhaust Gas Recirculation (EGR) valve and cooler clog with soot, which can eventually lead to a blown head gasket.