2018 Toyota Prius Recalls, Problems & MPG
NHTSA lists 3 safety recalls and 59 owner complaints for the 2018 Toyota Prius. The EPA rates it 46 to 56 MPG combined, depending on engine and drivetrain.
- Recalls
- 3
- Owner complaints
- 59
- Crashes / fires reported
- 10 / 1
- EPA combined
- 46–56 MPG
2018 Toyota Prius recalls
Hybrid Propulsion SystemJun 26, 2019 · NHTSA 19V491000+
Risk: A loss of drive increases the risk of crash.
Fix: Toyota will notify owners, and dealers will replace the DC-DC converter with a new one, as necessary, free of charge. The recall began August 23, 2019. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is K0K.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 Prius C vehicles. The DC-DC converter may fail resulting in the auxiliary battery no longer receiving power from the converter, which may cause a loss of drive.
Electrical SystemSep 5, 2018 · NHTSA 18V579000+
Risk: An electrical short can increase the risk of a fire.
Fix: Toyota will notify owners, and dealers will inspect the engine wire harness assembly and replace it if damage is found. A protective sleeve or protective tape will be included to prevent any future damage. These repairs will be performed free of charge. The recall began October 30, 2018. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0T.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2016-2018 Toyota Prius vehicles. A portion of the engine wire harness connected to the hybrid Power Control Unit (PCU), could contact the cover at this connection and wear, causing an electrical short circuit.
EquipmentMar 15, 2018 · NHTSA 18V176000+
Risk: If the label is missing, occupants may not follow the proper restraint usage guidelines, increasing the risk of injury in the event of a crash.
Fix: Toyota will notify owners and will mail the removable labels to all known owners of the subject vehicles, free of charge. The recall began on April 11, 2018. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0L.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Toyota Prius C vehicles sold in Puerto Rico. The front passenger air bag and recommended child occupant seating positions label may not have been attached during assembly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Recall repairs are free. Enter your VIN at nhtsa.gov/recalls to see if yours still needs one.
Most reported 2018 Toyota Prius problems
Owner complaints to NHTSA by system. One complaint can name more than one system.
- Unknown or Other12
- Visibility/Wiper7
- Exterior Lighting6
- Vehicle Speed Control6
- Engine5
- Electrical System5
- Service Brakes5
- Air Bags5
2018 Toyota Prius gas mileage
EPA ratings for each version (city / highway / combined).
| Version | Engine | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|
| Prius Eco | 1.8 L 4 cyl, Automatic (variable gear ratios) | 58 | 53 | 56 | $1,150 |
| Prius Prime | 1.8 L 4 cyl, Automatic (variable gear ratios) | 55 | 53 | 54 | $1,200 |
| Prius | 1.8 L 4 cyl, Automatic (variable gear ratios) | 54 | 50 | 52 | $1,250 |
| Prius c | 1.5 L 4 cyl, Automatic (variable gear ratios) | 48 | 43 | 46 | $1,400 |
Real-world mileage depends on how and where you drive. Logbay compares your actual MPG with these EPA numbers.
Questions
Does the 2018 Toyota Prius have any recalls?
Yes. NHTSA lists 3 recalls for the 2018 Toyota Prius, most recently for the hybrid propulsion system (Jun 26, 2019). Recall repairs are free at a dealer; check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Toyota Prius problems?
Owners filed 59 complaints with NHTSA. The most reported areas are unknown or other (12), visibility/wiper (7), exterior lighting (6).
What gas mileage does the 2018 Toyota Prius get?
The EPA rates the 2018 Toyota Prius at 46 to 56 MPG combined (best version: 58 city / 53 highway).
Sources: NHTSA recalls and owner complaints (api.nhtsa.gov), EPA fuel economy (fueleconomy.gov). Updated Oct 26, 2026. Complaint counts are unverified owner reports.