2026 Cadillac CT5: 5-Year Cost of Ownership
An estimate of what a 2026 Cadillac CT5 typically costs to own over 5 years, based on a real $57,644 market price and 25 MPG combined.
Pricing data refreshed monthly · last updated September 2026
Where the money goes
How it compares
The 2026 Cadillac CT5 ranks #10 of 38 luxury vehicles in our database for lowest 5-year cost — $10,798 less than the average luxury vehicle in our database ($70,172). Here’s how it stacks up against similarly priced rivals:
2026 BMW 3 Series
$58,6105-year total · $977/mo · $56,634 market priceFull breakdown →2026 Mercedes-Benz C-Class
$59,4955-year total · $992/mo · $56,206 market priceFull breakdown →2026 BMW X3
$62,5125-year total · $1,042/mo · $59,535 market priceFull breakdown →2026 Audi A5
$64,7155-year total · $1,079/mo · $58,618 market priceFull breakdown →Where it costs the least to own
Gas prices, insurance rates, sales tax and registration fees change the 5-year cost of a 2026 Cadillac CT5 by about $9,949 depending on where you live.
Cheapest states
Most expensive states
Quick answers
How much does a 2026 Cadillac CT5 cost per month to own?
About $990 a month averaged over 5 years, or $59,375 in total. That covers depreciation, fuel, insurance, maintenance, and sales tax and fees, but not loan interest.
How much value does a 2026 Cadillac CT5 lose in 5 years?
About $30,116, or 52% of its $57,644 market price. That’s based on what real 5-year-old examples sell for today.
How much does a 2026 Cadillac CT5 cost to fuel?
At 25 MPG combined, 12,000 miles a year and $3.50/gallon, fuel costs about $1,680 a year ($140/month).
Is a 2026 Cadillac CT5 cheap to own compared with other luxury vehicles?
It ranks #10 of 38 for lowest 5-year cost among the luxury vehicles we track, costing $10,798 less than the average luxury vehicle in our database ($70,172). It works out to about $0.99 per mile driven.
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