2021 Tesla Model 3 Standard Range + Electric · LD71 MYF

The defining mechanical story behind this 2021 Tesla Model 3 is one of acute, component-specific failures on top of an otherwise passable record, raising legitimate concerns about the wear trajectory of consumable and chassis components at this mileage. Across the four recorded tests, the vehicle passed twice with a clean sheet, but it has also failed twice on the same day as those passes, with defects serious enough to warrant immediate prohibition. The most recent event on 3 April 2026 recorded a pass with no advisories, yet a simultaneous failed entry listed both rear tyres as dangerous due to tread depth falling below the 1.6mm legal minimum. An earlier near-identical pattern on 24 September 2025 saw the car pass cleanly but fail on the same date for excessively worn nearside and offside front lower suspension arm ball joints. The juxtaposition of immediate passes and same-day dangerous failures suggests components are being assessed right at their service limit, with little margin remaining and a clear pattern of wear on suspension joints and tyres that should not be overlooked. Against an expected annual mileage of roughly 9,000 to 10,000 miles for a typical five-year-old passenger car, the recorded figure of 185,687 miles equates to approximately 37,137 miles per year, which is markedly high. Whether this represents sustained commercial use, intensive commuter mileage, or extended motorway driving, the mechanical consequence is accelerated wear on items that scale with mileage rather than age. Suspension components, tyres, brake discs and pads, wheel bearings, and the undertray and chassis fixings all endure significantly higher stress cycles in this usage band. Although the Tesla Model 3 uses regenerative braking which can extend pad life considerably, the rotors themselves still accumulate wear, and the suspension geometry sees far greater loads than a lower-mileage example of the same age. For a prospective buyer, the most pressing inspection priorities are the front suspension linkages and the rear axle geometry. The 2025 failure flagged both lower suspension arm ball joints as excessively worn, and replacement of those arms on a Model 3 typically requires renewed components on both sides to preserve handling balance. On a test drive, listen for clonking or knocking from the front suspension over speed humps, uneven tarmac, and during sharp low-speed turns, as worn ball joints often produce audible impact noise rather than a continuous rattle. With the steering centred, a brief wobble or vague wandering sensation at motorway speeds can indicate that the joints have not been properly set up post-replacement. The rear suspension should also be evaluated for similar wear, as high-mileage Model 3s are known to develop issues with the rear trailing arms, bush compliance, and occasional knocking from the multilink arrangement over rough surfaces. Tyre condition must be treated as a non-negotiable item rather than a routine check, given that both rear tyres were simultaneously found below the legal 1.6mm tread threshold at the most recent test. Inspect the tread depth across the full width of each rear tyre, paying particular attention to the inner shoulder, which on high-mileage rear-driven Teslas can wear unevenly due to alignment drift or aggressive corner loading. The fronts should be checked with equal scrutiny, as any remaining tread on the rear axle may have been recently replaced while the fronts were allowed to run closer to the limit. Beyond the recorded defects, listen for any binding or uneven pull under light braking, which can indicate warped rear discs given the regen-heavy duty cycle, and inspect the undertray and visible underbody surfaces for corrosion or impact damage consistent with the high annual mileage. A pre-purchase inspection on a ramp would be strongly advisable to confirm that the front suspension arms have been replaced with quality components and that no further advisories are imminent.