2020 Suzuki KingQuad 400 — Should You Buy One?
Typical asking price: $4,500–$6,500. There is 1 high-severity known issue you need to know before handing over a check.
Kestrel Take
A simple, tough, reliable utility quad — the KingQuad 400 is old-school dependable, with a durable engine and available manual or automatic transmission, making it a value workhorse for hunting and chores. Lower-tech than the 570/700 machines but durable. Same mud/water and CV-boot inspection. A well-kept, un-drowned KingQuad is a dependable, affordable utility quad; verify the airbox, oil, and boots and check for hard use.
What we checked
Not checked against public records
ATVs and side-by-sides fall to the Consumer Product Safety Commission rather than NHTSA. It publishes recalls but no owner-complaint record, and only a minority of campaigns name a model year we can match with confidence. What follows is our own write-up, and it has not been reconciled against an official record. Treat it as a starting point, not a verdict.
Known Issues for the 2020 Suzuki KingQuad 400
Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.
Check the airbox and oil for water/mud; inspect bearings, CV boots, and radiator.
Repair cost (estimate): $200-$1,200
Source: not yet checked against public records.
Inspect CV boots for tears.
Repair cost (estimate): $100-$500
Source: not yet checked against public records.
Verify oil, valve, and air-filter service.
Repair cost (estimate): $100-$400
Source: not yet checked against public records.
Check tires and brakes.
Repair cost (estimate): $100-$500
Source: not yet checked against public records.
Walk-Away Red Flags
- ✗Water/mud in oil or airbox
- ✗Torn CV boots
- ✗Neglected service
- ✗Worn tires/brakes
Good Signs
- ✓Clean oil and airbox
- ✓Intact boots
- ✓Documented service, honest use
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