Desert heat is the dominant New Mexico wear factor
New Mexico records 100°F+ days for four to five months of the year — sometimes 110°F+. That timeline does specific things to cars: AC compressors fail at year 8-10, batteries die in 2-3 years instead of 5, dashboard plastics warp and crack, paint and clearcoat oxidize. By year 12 the dollar repair bills justify junking even on otherwise mechanically sound cars.
No salt, no rust. The drivetrain side stays remarkably normal — engines and transmissions outlive the body and electronics. Most New Mexico junk-car offers are limited by AC, electronics, and consumables rather than mechanical death. Bodies routinely last 15+ years with cosmetic damage but no rust-through.
Snowbird and retiree fleet — the sit-too-long pattern
New Mexico has one of the country's largest snowbird and retiree populations. Second cars sit parked for months at a time, which creates a very specific failure pattern: dead batteries, dry-rotted tires, gummed fuel systems, AC compressors that bind on first start. We see hundreds of these every summer, especially in Phoenix metro and Tucson area.
Catalytic-converter theft tightened in New Mexico from 2022-2024 with new sale-documentation rules. You may see a reduced offer on cars without a catalytic converter present; we still buy.