Skip to content
Trimslate
SavedHelp

2020 Toyota

Prius

Auto (variable gear ratios), 4 cyl, 1.8 L

Toyota Prius: best and worst years
2020 Toyota Prius

Photo may show a different model year; you're viewing the 2020.

PhotoAndrepoiyCC BY-SA 4.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (variable gear ratios)EPA, from EPA, last updated 6/11/2026
Powertrain
HybridEPA, from EPA, last updated 6/11/2026
Fuel
RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

Axle ratio
2.83
Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
50 mpgEPA, from EPA, last updated 6/11/2026
MPG City
54 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
52 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$1,200EPA, from EPA, last updated 6/11/2026
CO₂
169 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
10/10EPA, from EPA, last updated 6/11/2026
Smog score
7/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
Real-world MPG
51.9 mpg, reported by 4 driversabout 0.1 mpg below the EPA combined estimate
SmartWay certified
Yes

Dimensions & capacity

Length
179 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
69 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
58 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
106 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
3,064 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
0
Owner complaints
0

Federal investigations NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

Known issues manufacturer service bulletins, model year

119 service bulletins filed with NHTSA for this model year

  • Jan 30, 2026ELECTRICAL SYSTEMT-SB-0106-22 Rev2

    OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

  • Jan 28, 2026ELECTRICAL SYSTEMT-SB-0001-26

    Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.

  • Jan 7, 2026UNKNOWN OR OTHERT-SB-0055-24 Rev2

    Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle for odor remediation. Refer to the applicable model and model year Repair Manual a

  • Jun 17, 2025ENGINET-TT-0784-25 Rev1

    Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.

  • Jun 13, 2025ENGINET-TT-0784-25

    Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.

  • Jun 13, 2025ELECTRICAL SYSTEMT-SB-0058-23 Rev1

    The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.

  • Apr 2, 2025ELECTRICAL SYSTEMT-TT-0780-25

    To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.

  • Dec 10, 2024ENGINET-SB-0110-20 Rev2

    This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing the battery rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger.

  • and 111 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
3 yr / 36k mi
Powertrain
5 yr / 60k mi
Roadside assistance
2 yr
Maintenance
2 yr / 25k mi
EV battery
10 yr / 150k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.