Quick clean vs full detail
A budget interior quote usually covers a vacuum pass, a wipe of the dash and a glass clean. That is genuine value when the cabin is already in good shape, and it is the right service to keep a clean car clean.
It is not the same product as a full interior detail, even if the menu name is similar. Knowing which one you actually need is the first step to comparing prices fairly.
What a full process looks like
A full interior detail is a multi-stage process. Air blowing pushes grit out of seat stitching and seatbelt channels before any liquid touches a surface. Carpets and fabric seats are pre-treated with an enzyme cleaner, then extracted with a hot-water machine that lifts the loosened soil into a tank.
Leather is cleaned with a pH-balanced product and conditioned, never sprayed with a generic dressing that leaves a slippery film on the steering wheel. Each step compounds the result; skipping one is what separates a clean look from a clean cabin.
Time is the real price driver
A neglected family SUV with sand under every mat can need four to six hours of focused work. A maintained sedan can be finished in two. Honest shops scale the price to that time.
If a quote feels low, ask whether the seats are extracted or only wiped. That single step changes the result more than any product on the shelf, and it is also the longest one in the process.