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Auto Warranty Need Index

A 0-100 score for every state showing how hard your environment is on a car - and how much sense an extended warranty or vehicle service contract makes where you drive.

How the score works

Six factors, weighted by how directly they translate into repair bills:

Climate stress (25%)
NASA POWER
Road quality (20%)
FHWA
Miles driven (20%)
FHWA
Severe weather (15%)
OpenFEMA
Flood exposure (10%)
OpenFEMA
Salt corrosion (10%)
DOT practice

Full methodology and rankings in the Auto Warranty Need Index 2026 research. Checking a specific used car? Run a free VIN warranty check first.

All 50 states, ranked

Higher scores mean the environment, roads, and driving patterns in the state are harder on vehicles - and out-of-warranty repair risk is higher.

# State Index Need Level Climate Roads Mileage Storms Corrosion
1 Vermont 65 Elevated 82 50 50 56 95
2 Alaska 59 Elevated 100 45 35 40 65
3 Missouri 59 Elevated 63 43 64 65 95
4 North Dakota 58 Elevated 95 33 64 25 65
5 Wisconsin 58 Elevated 76 65 48 5 95
6 Connecticut 56 Elevated 72 68 29 59 95
7 Iowa 56 Elevated 74 35 46 47 95
8 Montana 56 Elevated 85 35 59 10 65
9 South Dakota 56 Elevated 88 38 53 35 65
10 Wyoming 56 Elevated 86 30 99 5 65
11 New Mexico 55 Elevated 77 70 67 5 35
12 Minnesota 54 Moderate 87 28 46 10 95
13 Oklahoma 54 Moderate 57 55 60 81 35
14 Kansas 53 Moderate 69 38 48 80 65
15 Mississippi 53 Moderate 39 65 73 100 5
16 Nebraska 52 Moderate 78 30 47 62 65
17 New Hampshire 52 Moderate 73 38 40 45 95
18 Rhode Island 52 Moderate 63 100 18 23 95
19 West Virginia 52 Moderate 57 43 44 33 95
20 Kentucky 51 Moderate 52 25 51 77 65
21 Michigan 51 Moderate 71 60 40 10 95
22 Arkansas 50 Moderate 59 33 65 59 35
23 Massachusetts 50 Moderate 65 70 33 21 95
24 Idaho 48 Moderate 81 28 44 10 65
25 New Jersey 48 Moderate 53 70 30 34 95
26 Tennessee 48 Moderate 46 20 60 100 35
27 Colorado 47 Moderate 87 50 38 0 65
28 Alabama 45 Moderate 43 25 70 100 5
29 California 45 Moderate 3 88 31 94 5
30 Indiana 45 Moderate 61 30 59 5 95
31 Maine 45 Moderate 38 43 53 28 95
32 Maryland 45 Moderate 58 55 38 13 95
33 New York 45 Moderate 25 60 9 76 95
34 North Carolina 45 Moderate 44 23 53 100 35
35 Utah 44 Moderate 83 23 46 5 65
36 Louisiana 43 Moderate 6 63 48 100 5
37 Ohio 43 Moderate 62 30 39 14 95
38 Arizona 42 Moderate 80 30 41 25 5
39 Pennsylvania 42 Moderate 57 48 24 21 95
40 Georgia 41 Moderate 43 15 58 100 5
41 Texas 41 Moderate 50 35 41 40 5
42 Delaware 40 Moderate 49 35 44 16 95
43 Illinois 40 Moderate 43 45 28 12 95
44 South Carolina 37 Low 15 28 57 100 5
45 Nevada 36 Low 72 25 35 10 35
46 Virginia 34 Low 14 25 43 63 65
47 Washington 33 Low 14 65 20 20 35
48 Hawaii 31 Low 0 80 23 42 5
49 Oregon 29 Low 27 30 28 35 35
50 Florida 28 Low 0 15 45 100 5

The number the quote never mentions: your zip code's labor rate

An extended warranty gets priced as if the whole country pays the same mechanic. It does not. AutoWarranties.Autos models independent-shop labor across 50 US metros, and the spread runs from $130 an hour in Columbus to $196 in San Francisco - a $528 difference on one eight-hour transmission job before anyone has bought a part. The contract costs the same either way, so the city on your registration quietly decides how fast coverage pays for itself.

Costliest labor metrosIndep / hrCheapest labor metrosIndep / hr
San Francisco, CA $196 Columbus, OH $130
Sacramento, CA $177 Louisville, KY $134
Portland, OR $171 San Antonio, TX $135
Boston, MA $170 Tucson, AZ $135
Denver, CO $169 Richmond, VA $137

The dealer column deserves a separate look. Across those same metros, dealer service books $45 to $60 an hour above the independent model (Boston runs $54 higher, Washington $55). Plenty of service contracts cap their labor allowance near independent-shop rates, and the gap lands on you when the administrator approves a dealer repair but pays it at the allowance. I started checking labor allowances line by line after reading a complaint where a covered $2,400 repair came back $700 short for exactly this reason - the contract was honest, and the buyer had simply never met the one sentence that mattered.

The repair ranges underneath these rates explain the stakes. At Atlanta labor, AutoWarranties.Autos prices an engine replacement between roughly $6,000 and $17,200, with a transmission between $3,600 and $11,300. (EV and hybrid line items model higher still - traction battery replacements run $7,000 to $25,000 in parts alone.) Nobody absorbs the top of those ranges from a checking account without wincing, and that fear is the entire sales engine of the warranty industry. The counterweight is frequency: most cars never produce the five-figure failure, and pricing that gap honestly is what break-even analysis exists for.

Their climate labels also rhyme with what our index measures from raw data. The 50 metros sort into profiles like Cold Snow Salt (Buffalo, Minneapolis) and Hot Humid (most of the Gulf), and those labels track our salt-corrosion and heat subscores state by state. We score how hard the environment works on a car; they price what the resulting repair costs once it shows up on a lift.

The rest of the ownership bill

Insurance dwarfs the warranty conversation, and it moves even more by state. Bankrate's current averages put full coverage at $2,697 a year nationally, with Louisiana at $4,135 and Idaho at $1,476 - the same driver and the same car, separated by a $2,659 spread on geography alone. A $100-a-month service contract lands very differently in those two budgets, even when the phone pitch reads from the same page in both places.

Commute time is the quiet multiplier underneath all of it. The Census Bureau's ACS pegs the average American one-way trip at 27.2 minutes, and the spread between states is wider than I expected before pulling the table - a New York worker's 36-minute average stacks up to roughly 300 hours a year behind the wheel, while South Dakota commuters do not even reach 20 minutes each way. Contracts are priced by term and mileage cap rather than hours of use, so the long-commute states simply get more coverage out of the same dollars.

Our score and their checker answer different halves of the same question, and the order matters. Start with the state ranking above (how hard is my environment on a car), run a free VIN check to confirm what factory coverage remains, then take any actual quote to the AutoWarranties.Autos worthiness checker, which compares the plan price and deductible against major repair bills at your metro's labor rate. A quote that survives all three steps has earned a full read of its contract. Most never get that far, and the ones that fail usually fail on the arithmetic rather than the fine print.

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