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BMW vs Porsche

BMW or Porsche — what we actually found

Side by side from 299 BMWs and 119 Porsches buyers asked us to inspect before purchase. The average car we check scores 60/100.

vs
Head to head
BMWPorsche
Cars inspected299119
Average condition65/10066/100
In good shape (60+/100)64%67%
Holds up to (avg dips below decent)~111k mi~100k mi
Repainted or replaced panel73%77%
Structural repair found2%3%
Fault codes recently cleared27%19%

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 24% Good 40% Mediocre 31% Poor 5%
Porsche
Excellent 23% Good 44% Mediocre 29% Poor 4%
How long do they stay good?
Good cars by mileage
▬ BMW▬ Porsche▬ all cars
0 25 50 75 100 BMW, 0–20k mi: 97% in good shape (30 cars)BMW, 20–40k mi: 94% in good shape (54 cars)BMW, 40–60k mi: 85% in good shape (47 cars)BMW, 60–80k mi: 54% in good shape (46 cars)BMW, 80–100k mi: 53% in good shape (47 cars)BMW, 100–120k mi: 34% in good shape (32 cars)BMW, 120–140k mi: 19% in good shape (21 cars)BMW, 140–160k mi: 17% in good shape (12 cars) Porsche, 0–20k mi: 100% in good shape (13 cars)Porsche, 20–40k mi: 88% in good shape (33 cars)Porsche, 40–60k mi: 56% in good shape (25 cars)Porsche, 60–80k mi: 80% in good shape (15 cars)Porsche, 80–100k mi: 45% in good shape (11 cars)Porsche, 100–120k mi: 31% in good shape (13 cars) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
▬ BMW▬ Porsche▬ all cars
0 25 50 75 100 BMW, 1 years old: 100% in good shape (12 cars)BMW, 2 years old: 96% in good shape (25 cars)BMW, 3 years old: 86% in good shape (14 cars)BMW, 4 years old: 100% in good shape (25 cars)BMW, 5 years old: 92% in good shape (25 cars)BMW, 6 years old: 76% in good shape (29 cars)BMW, 7 years old: 60% in good shape (20 cars)BMW, 8 years old: 50% in good shape (24 cars)BMW, 9 years old: 67% in good shape (18 cars)BMW, 10 years old: 71% in good shape (17 cars)BMW, 11 years old: 28% in good shape (18 cars)BMW, 12 years old: 29% in good shape (17 cars)BMW, 13 years old: 14% in good shape (7 cars)BMW, 14 years old: 25% in good shape (8 cars)BMW, 15 years old: 10% in good shape (10 cars) Porsche, 2 years old: 100% in good shape (6 cars)Porsche, 3 years old: 86% in good shape (7 cars)Porsche, 4 years old: 92% in good shape (13 cars)Porsche, 5 years old: 89% in good shape (9 cars)Porsche, 7 years old: 83% in good shape (12 cars)Porsche, 8 years old: 70% in good shape (10 cars)Porsche, 9 years old: 64% in good shape (11 cars)Porsche, 10 years old: 0% in good shape (6 cars)Porsche, 11 years old: 67% in good shape (6 cars) 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; rolled-back odometers excluded from the mileage curve). Dashed grey = all cars we check.

Most common faults
BMW
Oil leaks · Engine
57%
Active error codes · Electronic equipment
42%
Tires condition & wear · Brakes and tires
35%
Low coolant / cooling system issues · Engine
27%
Electronic components issues · Engine
19%
Porsche
Oil leaks · Engine
53%
Tires condition & wear · Brakes and tires
34%
Low coolant / cooling system issues · Engine
31%
Worn brake rotors · Brakes and tires
29%
Active error codes · Electronic equipment
26%
Trajectory by generation
BMW ▬ Consistent across generations 40% 60% 80% 2012–14: 67% in good shape (age-adjusted; 34 cars, raw 68%) 67 2015–17: 64% in good shape (age-adjusted; 46 cars, raw 63%) 64 2018+: 73% in good shape (age-adjusted; 39 cars, raw 82%) 73 2009–11 2012–14 2015–17 2018+
Porsche

Not enough Porsches 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 →

Whichever badge wins on paper, the car in front of you is its own story. Get it inspected before you pay.
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Based on 418 inspections · updated Jul 12, 2026