1984 Volkswagen Quantum
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 1984 Volkswagen Quantum is worth — from official NHTSA and EPA data. 1 on record.
1984 Volkswagen Quantum at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
1984 Volkswagen Quantum recalls 3
IDLE CONTROL UNIT MAY MALFUNCTION AND CAUSE IDLE STABLIZER VALVE TO BECOME ACTIVATED OUTSIDE ITS NORMAL OPERATING RANGE.
Fix: REPLACE IDLE CONTROL UNIT.
UNDER ADVERSE WEATHER CONDITIONS, OUTER RUBBER LAYER OF BRAKE HOSES MAY BECOME BRITTLE AND DEVELOP CRACKS. CONSEQUENCE OF DEFECT: CRACKS COULD LEAD TO LOSS OF BRAKE FLUID RESULTING IN AN INCREASE IN STOPPING DISTANCE AND POSSIBLY AN ACCIDENT.
Fix: REPLACE BRAKE HOSES AS NECESSARY.
REAR BRAKE DRUMS MAY CRACK IN SERVICE, DUE TO AN ERROR IN THE MANUFACTURING PROCESS.
Fix: UPON INSPECTION, DEALER WILL REPLACE BRAKE DRUMS, IF NECESSARY.
Source: U.S. NHTSA, checked 14 Oct 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
1984 Volkswagen Quantum MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 10 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 1984 Volkswagen Quantum costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.