Vehicle ownership research

What does it actually cost to own?

The sticker price isn't what a car costs you: CPM adds up the money that never comes back and divides it by the miles you drive.

Your scenario

Applies to every car; one car's own numbers live on its sticker.

Use

Years owned Miles / year Baseline every car is measured against this

Location

ZIP code State Purchase tax % Title fee $

Money if you finance

APR % typical bank rate Loan term mo Cash down $ Trade credit $

Energy today's prices

Regular $/gal Premium $/gal Charging $/kWh CO home average Insurance

Your current car the one you'd keep or trade

Advanced assumptions opportunity cost, selling costs, how much miles hit resale

Opportunity cost %/yr on equity Selling cost % of exit Resale per 10k mi ± % vs 10k/yr pace Registration start year Registration $/yr outside CO Insurance index × car's base

The spectrum

Tap a car for its ownership sticker; drag ⠿ to reorder.

Head-to-head

Up to five cars, side by side.

Find the outliers

Outliers are pinned to the edge so one exotic doesn't flatten the pack.

Across Up

Add a listing

Paste a Cars & Bids, BaT, Autotrader or dealer link and it joins the list for everyone, marked *.

Listings are checked automatically. Anything that looks off still shows, marked "under review", until we've had a look. Please only add cars that are actually for sale.

Or enter a car by hand it stays in this browser only

Workspaces

Save a setup and come back to it later.

Move it between devices export / import

Import file

Or paste a workspace code

How CPM works

Count the money that disappears, not the money you park in the car.