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2021 Honda

Insight

Auto (variable gear ratios), 4 cyl, 1.5 L

Honda Insight: best and worst years
2021 Honda Insight (photo 1 of 2)

Closest available photo (2020 model year); you're viewing the 2021.

2020 photoKevautoCC BY-SA 4.0via Wikimedia Commons

Overview

Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (variable gear ratios)EPA, from EPA, last updated 6/22/2026

Engine & performance

Power to weight
0.035 hp/lb
Axle ratio
3.42
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

Smog score
7/10
Real-world MPG
60.5 mpg, reported by 1 driverabout 8.5 mpg above the EPA combined estimate
SmartWay certified
Yes

Dimensions & capacity

Safety NHTSA record NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
3
Owner complaints
25 See on NHTSA
Reported injuries
1

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Driver assist

  • Adaptive cruise control
    Standard
  • Automatic emergency brakingPart of Honda Sensing.
    Standard
  • Blind-spot monitor
    Standard
  • Lane-keeping assist
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • FORWARD COLLISION AVOIDANCE24%
  • UNKNOWN OR OTHER18%
  • SERVICE BRAKES12%
  • AIR BAGS9%
  • ELECTRICAL SYSTEM9%
  • SEATS9%

Source: NHTSA owner complaints, 34 total.

Honda Insight: best and worst years

Federal investigations NHTSA record NHTSA defect investigations, model year

  • EA25002Openopened Jan 17, 2025FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

    Inadvertent Automatic Emergency Braking

  • PE24008opened Mar 7, 2024FORWARD COLLISION AVOIDANCE

    Inadvertent Automatic Emergency Braking

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

Known issues manufacturer service bulletins, model year

21 service bulletins filed with NHTSA for this model year

  • Oct 25, 2023VEHICLE SPEED CONTROLA21-068

    Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing due to snow and ice getting stuck to the front of the millimeter wave radar. This can cause DTC P2583-76 (Temporary stop of Integrated Driver Support System [Misalignment Millimeter Wave Radar]) to be stored.

  • Oct 17, 2023VEHICLE SPEED CONTROLA21080A

    Service News - If an Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, inform the customer it is likely due to snow or ice buildup on the radar. Advise the customer of the following procedure to clean the front grille where the radar is located.

  • Mar 27, 2023PARKING BRAKEATI&03272023904

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.

  • Mar 10, 2023PARKING BRAKEATI&03102023904

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.

  • Feb 23, 2023PARKING BRAKEATI&02232023903

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.

  • Feb 7, 2023PARKING BRAKEATI&02072023904

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.

  • Jan 18, 2023PARKING BRAKEATI&01182023903

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.

  • Jan 3, 2023STEERING:STEERING CONTROL MODULEATI&01032023902

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.

  • and 13 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
3 yr / 36k mi
EV battery
8 yr / 100k mi

Source: www.cars.com as of 2026-06

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.