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Ford Mustang: common problems & condition

63
Cars inspectedreal pre-purchase inspections
53/100
Average conditionall cars we check: 61/100
46%
In good shape (60+)all cars we check: 55%



Across 63 used Ford Mustangs we inspected, this model scores noticeably below average — average condition 53/100 vs 61 for all cars we check. Every number on this page comes from real pre-purchase inspections — cars people were about to buy and paid an independent inspector to go through point by point, engine to underbody, paint depth to error codes. Not owner surveys, not warranty statistics, not forum lore: what we actually found.

What we found

Most common faults

Oil leaks · Engine
56%
Tires condition & wear · Brakes and tires
38%
Fuel trim out of range · Engine
35%
Oil leaks · Drivetrain
19%
Active error codes · Electronic equipment
19%

Share of inspected Ford Mustangs where each item was flagged.

How they score

Excellent 19% Good 27% Mediocre 24% Poor 30%
Hidden history

What the seller might not mention — how often we find it on this model.

84%had a repainted or replaced panelall cars: 75%
16%showed structural repairall cars: 4%
16%had fault codes recently clearedall cars: 23%
How long does a Mustang stay good?
Good cars by mileage
0 25 50 75 100 0–20k mi: 80% in good shape (5 cars) 20–40k mi: 75% in good shape (8 cars) 40–60k mi: 69% in good shape (13 cars) 60–80k mi: 50% in good shape (10 cars) 80–100k mi: 43% in good shape (7 cars) 100–120k mi: 11% in good shape (9 cars) 40k 80k 120k 160k 200k mileage when we inspected it

Share of Ford Mustangs in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; rolled-back odometers excluded from the mileage curve). The dashed grey curve is all cars we check.

What else does ~$25k buy? A used Ford Mustang typically sells for around $24,988 — compare the odds of getting a good car across every make at that budget. Compare →
More on Ford
Transit 62 cars · 66% good F-150 119 cars · 56% good Escape 39 cars · 54% good Explorer 30 cars · 44% good Fusion 35 cars · 43% good F-250 27 cars · 34% good

Other Ford models we've inspected — or see the full Ford profile.

Straight from recent Ford Mustang reports

2020 Ford Mustang · 92k mi — flagged: dirty or low engine oil, powertrain control module, tires condition & wear. Inspected Aug 26.
2019 Ford Mustang · 74k mi — flagged: oil leaks, fault codes recently cleared, fuel trim out of range. Inspected Aug 14.
The bottom line

A Mustang on the lot usually has at least one resprayed panel, and structural repairs run four times the usual rate, so start with a frame and panel check and don't trust the paint. Then get under the hood: oil leaks hit 56 percent of these cars, followed by fuel trim issues, drivetrain seepage, worn tires, and live codes. Walk if you find structural repairs or a wet engine. Even a clean example with only minor leaks is still reason to negotiate hard, because so many of these already sit in poor overall shape.

FAQ
?
Is the Ford Mustang reliable?
46% of the 63 we inspected scored 60/100 or higher, with an average of 53/100 — it scores noticeably below average.
?
What are the most common problems on a used Ford Mustang?
The items we flag most often are oil leaks (56%), tires condition & wear (38%), fuel trim out of range (35%). Have these checked before buying.
?
Should I worry about cleared fault codes?
On 16% of these cars the ECU codes had been erased shortly before sale, which can hide active faults. Ask for a diagnostic scan and start the engine from cold.
Thinking of buying a Ford Mustang? Get the exact car inspected before you pay.
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Based on 63 inspections · updated Aug 27, 2026