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Audi vs GMC Reliability

Audi leads on our inspections: 63/100 average condition vs 56/100 for GMC, from 220 real pre-purchase inspections. The average car we check scores 61/100.

vs
Head to head
AudiGMC
Cars inspected14971
Average condition63/10056/100
In good shape (60+/100)59%48%
Holds up to (avg dips below decent)~95k mi~107k mi
Repainted or replaced panel74%75%
Structural repair found3%4%
Fault codes recently cleared29%30%

Green = the better number of the pair. Condition reflects the mix of cars that came to us — age, price, model — so treat small gaps as a tie.

How they score
Audi
Excellent 27% Good 32% Mediocre 25% Poor 17%
GMC
Excellent 21% Good 27% Mediocre 25% Poor 27%
How long do they stay good?
Good cars by mileage
▬ Audi▬ GMC▬ all cars
0 25 50 75 100 Audi, 0–20k mi: 95%, drawn from the nearby bands (13 cars in this band)Audi, 20–40k mi: 91% in good shape (23 cars)Audi, 40–60k mi: 80% in good shape (25 cars)Audi, 60–80k mi: 44% in good shape (27 cars)Audi, 80–100k mi: 39% in good shape (23 cars)Audi, 100–120k mi: 43% in good shape (21 cars)Audi, 120–140k mi: 33% in good shape (9 cars)Audi, 140–160k mi: 23%, drawn from the nearby bands (5 cars in this band) GMC, 20–40k mi: 81%, drawn from the nearby bands (9 cars in this band)GMC, 40–60k mi: 76%, drawn from the nearby bands (13 cars in this band)GMC, 80–100k mi: 53%, drawn from the nearby bands (9 cars in this band)GMC, 100–120k mi: 40%, drawn from the nearby bands (10 cars in this band)GMC, 120–140k mi: 35%, drawn from the nearby bands (7 cars in this band)GMC, 160–180k mi: 14% in good shape (7 cars)GMC, 200–220k mi: 8%, drawn from the nearby bands (5 cars in this band) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
▬ Audi▬ GMC▬ all cars
0 25 50 75 100 Audi, 1 years old: 94%, drawn from the nearby bands (9 cars this age)Audi, 2 years old: 93%, drawn from the nearby bands (8 cars this age)Audi, 3 years old: 93%, drawn from the nearby bands (11 cars this age)Audi, 4 years old: 87% in good shape (15 cars)Audi, 5 years old: 81%, drawn from the nearby bands (5 cars this age)Audi, 6 years old: 63%, drawn from the nearby bands (17 cars this age)Audi, 7 years old: 38% in good shape (21 cars)Audi, 8 years old: 50%, drawn from the nearby bands (12 cars this age)Audi, 9 years old: 41%, drawn from the nearby bands (14 cars this age)Audi, 10 years old: 46%, drawn from the nearby bands (7 cars this age)Audi, 11 years old: 43%, drawn from the nearby bands (10 cars this age)Audi, 12 years old: 27%, drawn from the nearby bands (8 cars this age)Audi, 13 years old: 14%, drawn from the nearby bands (6 cars this age) GMC, 2 years old: 83%, drawn from the nearby bands (9 cars this age)GMC, 3 years old: 70%, drawn from the nearby bands (7 cars this age)GMC, 4 years old: 69%, drawn from the nearby bands (7 cars this age)GMC, 5 years old: 66%, drawn from the nearby bands (6 cars this age)GMC, 6 years old: 50%, drawn from the nearby bands (5 cars this age)GMC, 7 years old: 52%, drawn from the nearby bands (9 cars this age)GMC, 14 years old: 25%, drawn from the nearby bands (5 cars this age) 2y 4y 6y 8y 10y 12y 14y 16y vehicle age when we inspected it

Share in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; a band under 20 cars follows the nearby bands, so a run above the all-cars line stays above it, and a band of 20 or more uses the rate we measured; where a band has too few cars, the line follows the trend between the bands on either side; rolled-back odometers excluded from the mileage curve). Dashed grey = all cars we check.

Most common faults
Audi
Oil leaks · Engine
61%
Active error codes · Electronic equipment
42%
Tires condition & wear · Brakes and tires
40%
Fuel trim out of range · Engine
31%
Cracked or torn suspension bushings · Suspension
28%
GMC
Oil leaks · Engine
48%
Active error codes · Electronic equipment
44%
Tires condition & wear · Brakes and tires
39%
Fuel trim out of range · Engine
39%
Leaking or worn shock absorbers · Suspension
25%
Trajectory by generation
Audi ▲ Newer Audis are holding up better 40% 60% 80% 2012–14: 30% in good shape (age-adjusted; 19 cars, raw 32%) 30 2015–17: 68% in good shape (age-adjusted; 27 cars, raw 63%) 68 2018–20: 59% in good shape (age-adjusted; 25 cars, raw 64%) 59 2009–11 2012–14 2015–17 2018–20 2021+
GMC

Not enough GMCs at the 5–10 year checkpoint yet to draw a generation trend.

Share in good shape when inspected at the same age (5–10 years, age-adjusted), by model-year generation; dashed = all-brand average. All brands →

FAQ
?
Which is more reliable, Audi or GMC?
Audi leads on our inspections: 63/100 average condition vs 56/100 for GMC, from 220 real pre-purchase inspections.
?
What are the most common problems with used Audis and GMCs?
On Audis we flag oil leaks (61%), active error codes (42%), tires condition & wear (40%). On GMCs: oil leaks (48%), active error codes (44%), tires condition & wear (39%).
?
How many Audi and GMC vehicles have you inspected?
149 Audis and 71 GMCs — 220 real pre-purchase inspections. Updated Oct 27, 2026.
?
How long do Audis and GMCs stay in good shape?
In our data, the average Audi dips below “decent” around ~95k mi; GMC around ~107k mi. Individual cars vary — get the one you’re buying inspected.
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Based on 220 inspections · updated Oct 27, 2026