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2021 Polaris Slingshot problems

The most common problem on the 2021 Polaris Slingshot is engine and cooling. It has fewer complaints than a typical Slingshot model year.

Typical yearClose to a typical year
Owner complaints
2
Recalls
1
Service bulletins
43
Worst area
Engine

The worst 2021 Polaris Slingshot problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Engine
    1
  • Fuel system
    1
  • Seat belts
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Engine
    1
  • Fuel system
    1
  • Seat belts
    1

Recalls 1

Wheels: lugs/nuts/bolts/studsReported August 10, 2021 · 4,744 vehicles affected
What is wrong
Polaris, Inc. (Polaris) is recalling certain 2020-2021 Slingshot vehicles. The rear wheel studs may not have been fully pressed into the axle, possibly causing them to come loose.
Risk
Loose rear wheel studs could result in wheel detachment, increasing the risk of a crash.
Remedy
Dealers will inspect and as necessary, replace the rear axle/stud assembly, free of charge. Owner notification letters were mailed August 27, 2021. Polaris' number for this recall is T-21-01.

Recall number 21V629000 · Recall details

See all 1 recalls for the 2021 Polaris Slingshot

Technical service bulletins for the 2021 Polaris Slingshot 43

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 43 bulletins for the 2021 Polaris Slingshot

What 2021 Polaris Slingshot owners say

Most recent owner complaints, unedited.

Filed Apr 27, 2026 · Engine · 20,800 miles · FL · crash · 1 injury

The contact owns a 2021 Polaris Slingshot. The contact stated that while driving at approximately 20 MPH, the oil, brake, ABS, check engine, and traction control warning lights illuminated. The contact stated that the vehicle then accelerated inadvertently and swayed back and forth, and when the brake pedal was depressed, the vehicle did not slow down as intended. The contact added that the motorcycle then ran over a curb and crashed into bushes, where the vehicle finally stopped. The contact sustained leg, arm, neck, shoulder, back, and mental injuries; medical attention was not needed. A police report was not filed. The motorcycle was taken to an independent mechanic, where it was diagnosed that there was an engine malfunction, and the timing chain came loose causing the bearing to lose oil, and the engine needed to be replaced. The vehicle was not repaired. The vehicle was then towed to a dealer, where it was diagnosed that the timing chain jumped off the track, which caused the bearing to lose oil, the bearing came out of the motor, and the engine had failed, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 20,800.

Filed Sep 19, 2022 · Fuel system, Seat belts · NJ

Seat belts drivers and passengers do not adjust, lock where you cannot pull out to buckle the belt,locks while pulling out. Also doesnt lock snug against body when buckled. Throttle bucks violently when lettling clutch out gentlly causing a stall condition when pulling into traffic.

Compare the 2021 Polaris Slingshot

Other model years

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Questions about the 2021 Polaris Slingshot

Is the 2021 Polaris Slingshot reliable?

Owners have filed 2 complaints about the 2021 Polaris Slingshot, fewer than a typical Slingshot model year.

What is the most common problem with the 2021 Polaris Slingshot?

Engine and cooling, with 1 complaint. Next is fuel system (1).

How many recalls does the 2021 Polaris Slingshot have?

1 recall, covering wheels.

Share your experience with the 2021 Polaris Slingshot

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