Recon Cost Calculator for Dealerships

Your store

Used vehicles reconditioned per month

Example: 50. Use your own monthly used volume.

Current average days to front line

Example: 10. From acquisition to front-line ready, however your store measures it. See time to front line.

Target days to front line

Example: 5. The calculator costs the days between your current average and this target.

What one day costs

Average vehicle cost

Example: $20,000. For reference, Manheim’s average wholesale value (MMR) was $18,928 for 2024 year to date, and vAuto’s Dale Pollak noted that many dealers’ investment per vehicle runs closer to $25,000 (vAuto, November 2024).

Floor plan interest rate

Example: 6.5%. Sonic Automotive reported 6.50% on its used vehicle floor plan for 2025 and AutoNation 5.2% at the end of 2025 (Sonic and AutoNation 10-Ks). AFC, which lends mainly to independent dealers, earned 18.1% in interest and fees combined (OPENLANE 10-K). Use your own rate.

Depreciation

Example: 0.6%, Cox Automotive’s typical August decline for three-year-old wholesale values. The actual August 2026 decline was 1.8% (Cox Automotive, September 2026). It varies by season and vehicle.

Other holding cost per vehicle per day

Optional. Overhead you want counted per vehicle per day, leaving out floor plan interest and depreciation, which are already above. Two worked examples from NCM Associates came to $17.53 and $52.12 a day, overhead included (sources). Fixed costs don’t go away when recon gets faster, so count only what would actually change.

Lost selling time (optional)

A vehicle in recon can’t be sold. Fill in all three fields to add an estimate of the gross that waiting costs. There is no published figure for this, so every number here is your own estimate.

Average front-end gross per unit

Your figure. For reference, Sonic Automotive’s franchised dealerships reported $1,514 used retail gross per unit for 2025, before finance and insurance income.

Average days to sell once on the lot

Your figure. Cox Automotive’s national used days’ supply was 44 in August 2026, but that measures inventory against sales, not your time to sale.

Share of that selling time you'd turn into sales

Your estimate. 100% assumes every extra day on the lot would have produced its share of gross; most stores would pick much less.

What the extra days cost

Extra days per vehicle5

Extra vehicle-days a year3,000

Vehicles in recon on an average day, now vs. target16.4 vs. 8.2

Floor plan interest per vehicle per day$3.56

Depreciation per vehicle per day$3.95

Floor plan interest a year$10,685

Depreciation a year$11,836

Cost per vehicle of the extra days$38

Direct cost a year

$22,521

Floor plan interest, depreciation and any other holding cost you entered.

How the math works

The calculator costs the gap between your current average days to front line and your target, across a year of your volume. A month is 365 ÷ 12 days throughout.

Extra vehicle-days a year = vehicles per month × (current days − target days) × 12
Floor plan interest per vehicle per day = vehicle cost × annual rate ÷ 365
Depreciation per vehicle per day = vehicle cost × monthly depreciation × 12 ÷ 365
Direct cost a year = extra vehicle-days × (floor plan + depreciation + other holding cost per day)
Vehicles in recon on an average day = vehicles per month × 12 ÷ 365 × days to front line (Little’s law: arrivals per day × average time in the system)
Lost gross (optional) = extra vehicle-days × (gross per unit ÷ days to sell) × your share

Worked example

With the example figures, a store reconditioning 50 vehicles a month at 10 days instead of 5 has 3,000 extra vehicle-days a year. On a $20,000 vehicle, floor plan interest at 6.5% is $3.56 a day and depreciation at 0.6% a month is $3.95 a day. That comes to $10,685 in floor plan interest and $11,836 in depreciation: $22,521 a year, or $38 per vehicle. On an average day the store has about 16.4 vehicles in recon instead of 8.2.

What this leaves out

The recon work itself. Parts, labor and sublet are what you spend on the vehicle; this is the cost of the time it takes. See recon cost per vehicle.
Fixed overhead, unless you enter it under other holding cost.
Lost gross, unless you fill in the optional fields.
Curtailment payments, which move cash forward rather than adding cost. See curtailment.

This is an estimate for planning, not an accounting figure. Your own floor plan statement and used-vehicle values will be more accurate than any example here.

Your numbers stay on your screen

The calculation runs in your browser. Nothing you type is sent to us or saved.

Want to see your real numbers? Vehicle Recon Tracker shows the average recon time of the vehicles you completed in the last 90 days, plus your total and per-unit recon cost, on the dashboard. See recon cost tracking.

See It With Your Own Vehicles

Create a demo account and try Vehicle Recon Tracker free, or schedule a demo and we'll walk you through it.

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