How to Read a Collision Repair Estimate
A collision estimate looks like a phone book printed by a robot, but it's actually a short document repeating a few patterns. Ten minutes of literacy here is worth real money, because the differences between two estimates hide in the line items, never in the total.
The anatomy
Every estimate has the same skeleton: your vehicle's identity (year, VIN, mileage, options: check these; wrong trim means wrong parts), a list of line items describing operations on specific parts, labor by type and hours, parts with a source code each, paint and materials, taxes and fees, and the total with your deductible math.
Operation codes: what they're doing to each part
- Repair (Rpr): fix the existing panel; listed with estimated labor hours.
- Replace (R&R): remove and replace with a new/recycled part.
- R&I: remove and reinstall the same part (taken off to access something else, or for proper paint).
- Blend: paint an adjacent undamaged panel partway so the new color transitions invisibly. Blending is a mark of quality, not padding; a one-panel paint job with zero blends on a metallic color is how you get a door that almost matches.
- Sublet: sent to a specialist: alignment, glass, and frequently ADAS calibration.
- Sect: sectioning a structural component per manufacturer procedure (should reference that procedure).
Labor: the hours and the rates
Labor splits into types with different hourly rates: body, paint (usually similar), frame/structural (higher), and mechanical (highest). The hours mostly come from industry databases; repair hours are the estimator's judgment, which is exactly where photo estimates go wrong and supplements come from. Multiply hours by the posted rate and the arithmetic should reconcile; if rates aren't printed, ask.
Parts: read the source column
Each replacement part carries a code: OEM/New (factory), A/M (aftermarket: quality varies; CAPA-certified is the credible tier), LKQ/Used (recycled genuine parts), Recond/Reman (rebuilt). This column is where "identical" estimates differ by hundreds of dollars, and where you have a say. What belongs where is its own topic: OEM vs. aftermarket, explained.
The lines people don't expect
Paint & materials: a real cost (base, clear, primers, abrasives), typically billed as a rate times paint hours. Hazardous waste / shop materials: small, legitimate, regulated-disposal costs. Betterment: a deduction from you when a repair replaces a worn item with new (a battery, a tire): insurance restores you to pre-loss condition, not better. Annoying, standard, negotiable at the margins. Supplements: pages added after teardown finds hidden damage; normal, and explained in how claims work.
Comparing two estimates the right way
Line up operations, not totals. The questions that expose the difference: Does one repair a panel the other replaces? Are blends included? Is ADAS calibration on the estimate at all, as a line or a sublet, for a car that plainly needs it? Are the parts columns comparable, or is the "cheaper" estimate cheaper because every part says A/M? An estimate $500 lower because it omits a required calibration isn't a better price; it's an incomplete repair with a friendlier font.
Red flags
No VIN or wrong vehicle options. No parts source codes shown. Zero blend lines on a metallic or pearl color. Calibration missing on a sensor-equipped car. Round-number labor everywhere. A shop unwilling to walk you through its own document, the walk-through is the interview, and good shops enjoy giving it (how to pick one).
The records angle
Estimates tell you what a shop plans to do; public records tell you what the shop is. Reading both is the whole method, the estimate for completeness, the shop's license and certifications for credibility.
General consumer information: not legal, insurance, or financial advice. Requirements, coverage, and practices vary by state, policy, and manufacturer.
Where this fits
Each link says what it is for. We add one only when a reader on this page has a real reason to need that page next.
- Estimate Line Items Decoded: Labour Types, Part Codes and the Operations People Miss (what each line, code and abbreviation on it means)
- OEM vs. Aftermarket Parts: What Actually Goes On Your Car (the parts lines, and where the choice actually affects safety)
- When Insurance Won't Pay for a Proper Repair: ADAS, OEM Procedures, and Your Options (what to do when a required procedure is missing from the sheet)
- Who Audits the Estimate (once you can read the estimate, the next question is who is allowed to check the database behind it)
- The Estimate Decides Which Replacement Part You Get (The estimate names the replacement part and its supplier. This is what the record shows about who chose it.)