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BMW vs Kia Reliability

Kia leads on our inspections: 70/100 average condition vs 67/100 for BMW, from 484 real pre-purchase inspections. The average car we check scores 61/100.

vs
Head to head
BMWKia
Cars inspected341143
Average condition67/10070/100
In good shape (60+/100)66%70%
Holds up to (avg dips below decent)~101k mi~124k mi
Repainted or replaced panel71%68%
Structural repair found2%1%
Fault codes recently cleared27%22%

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
BMW
Excellent 33% Good 33% Mediocre 19% Poor 15%
Kia
Excellent 43% Good 27% Mediocre 20% Poor 11%
How long do they stay good?
Good cars by mileage
▬ BMW▬ Kia▬ all cars
0 25 50 75 100 BMW, 0–20k mi: 97% in good shape (33 cars)BMW, 20–40k mi: 98% in good shape (62 cars)BMW, 40–60k mi: 86% in good shape (57 cars)BMW, 60–80k mi: 59% in good shape (56 cars)BMW, 80–100k mi: 49% in good shape (55 cars)BMW, 100–120k mi: 42% in good shape (36 cars)BMW, 120–140k mi: 19% in good shape (21 cars)BMW, 140–160k mi: 11%, drawn from the nearby bands (12 cars in this band) Kia, 0–20k mi: 100% in good shape (11 cars)Kia, 20–40k mi: 88% in good shape (26 cars)Kia, 40–60k mi: 85%, drawn from the nearby bands (13 cars in this band)Kia, 60–80k mi: 70% in good shape (27 cars)Kia, 80–100k mi: 61% in good shape (23 cars)Kia, 100–120k mi: 48%, drawn from the nearby bands (18 cars in this band)Kia, 120–140k mi: 43%, drawn from the nearby bands (6 cars in this band)Kia, 140–160k mi: 33%, drawn from the nearby bands (10 cars in this band)Kia, 160–180k mi: 29%, drawn from the nearby bands (6 cars in this band) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
▬ BMW▬ Kia▬ all cars
0 25 50 75 100 BMW, 1 years old: 98%, drawn from the nearby bands (15 cars this age)BMW, 2 years old: 96% in good shape (26 cars)BMW, 3 years old: 98%, drawn from the nearby bands (15 cars this age)BMW, 4 years old: 100% in good shape (30 cars)BMW, 5 years old: 94% in good shape (32 cars)BMW, 6 years old: 77% in good shape (35 cars)BMW, 7 years old: 58% in good shape (26 cars)BMW, 8 years old: 53% in good shape (30 cars)BMW, 9 years old: 50% in good shape (20 cars)BMW, 10 years old: 51%, drawn from the nearby bands (18 cars this age)BMW, 11 years old: 41%, drawn from the nearby bands (19 cars this age)BMW, 12 years old: 34%, drawn from the nearby bands (19 cars this age)BMW, 13 years old: 18%, drawn from the nearby bands (7 cars this age)BMW, 14 years old: 19%, drawn from the nearby bands (8 cars this age)BMW, 15 years old: 17%, drawn from the nearby bands (10 cars this age) Kia, 1 years old: 95%, drawn from the nearby bands (11 cars this age)Kia, 2 years old: 94%, drawn from the nearby bands (15 cars this age)Kia, 3 years old: 90% in good shape (21 cars)Kia, 4 years old: 77%, drawn from the nearby bands (9 cars this age)Kia, 5 years old: 69%, drawn from the nearby bands (10 cars this age)Kia, 6 years old: 59%, drawn from the nearby bands (14 cars this age)Kia, 7 years old: 58%, drawn from the nearby bands (16 cars this age)Kia, 8 years old: 58%, drawn from the nearby bands (15 cars this age)Kia, 9 years old: 50%, drawn from the nearby bands (10 cars this age)Kia, 10 years old: 53%, drawn from the nearby bands (6 cars this age)Kia, 11 years old: 71%, 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
BMW
Oil leaks · Engine
54%
Active error codes · Electronic equipment
37%
Tires condition & wear · Brakes and tires
34%
Low coolant / cooling system issues · Engine
26%
Electronic components issues · Engine
16%
Kia
Oil leaks · Engine
45%
Tires condition & wear · Brakes and tires
34%
Fuel trim out of range · Engine
31%
Low coolant / cooling system issues · Engine
22%
Active error codes · Electronic equipment
16%
Trajectory by generation
BMW ▲ Newer BMWs are holding up better 40% 60% 80% 2012–14: 52% in good shape (age-adjusted; 34 cars, raw 53%) 52 2015–17: 67% in good shape (age-adjusted; 48 cars, raw 65%) 67 2018–20: 75% in good shape (age-adjusted; 52 cars, raw 81%) 75 2009–11 2012–14 2015–17 2018–20 2021+
Kia

Not enough Kias 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, BMW or Kia?
Kia leads on our inspections: 70/100 average condition vs 67/100 for BMW, from 484 real pre-purchase inspections.
?
What are the most common problems with used BMWs and Kias?
On BMWs we flag oil leaks (54%), active error codes (37%), tires condition & wear (34%). On Kias: oil leaks (45%), tires condition & wear (34%), fuel trim out of range (31%).
?
How many BMW and Kia vehicles have you inspected?
341 BMWs and 143 Kias — 484 real pre-purchase inspections. Updated Oct 27, 2026.
?
How long do BMWs and Kias stay in good shape?
In our data, the average BMW dips below “decent” around ~101k mi; Kia around ~124k mi. Individual cars vary — get the one you’re buying inspected.
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Based on 484 inspections · updated Oct 27, 2026