Best match
BT529 12V OBD2 Scanner 2-In-1 Car Battery Tester Analyzer System Check Tool Vehicle OBD Scanner
AliExpress · Top-ranked for this budget
$96.17
Get deal Prices updated Nov 11, 2026
Best OBD2 Scanners Under $100
We compared 66 OBD2 scanners priced under $100 from 9 stores. Most cost around $50, and well-matched options start at $11.55. NEXPOW, Nilight, Topdononline and VEVOR have the most models in this price range. 40 are currently marked down. Prices come from each store's product feed and are refreshed every day.
66Compared
9Stores
$11.55From
40On sale
Top picks under $100
Budget pick
Rexing OBD2 Scanner - Enhanced Universal Car Code Reader & Diagnostic Tool for All OBDII Cars Since 1996, Read/Clear Engine Fault Codes, Check Smog
Rexing · One of the cheapest well-matched options
$49.99
Get deal 
Big price drop
2025 KONNWEI KW320 OBD2 Car Scanner Auto Tools OBDII Diagnostic Tool Professional Automotive Obd2 Scanner Car Code Reader
AliExpress · 62% below its usual price
$26.25$69.08
Get deal 66 deals
OBD2 scanners under $100
-34%
AliExpress2026 MUCAR T261 Tire Pressure Inspection Tools TPMS System Car Code Reader Sensor Programming Tools For MUCAR 892BT VO7S VO6
$73.15$110.83
You save $38
-18%
Amazon· TopdononlineTOPDON Carpal Bluetooth Car Code Reader, All System Scanner, iOS & Android
$40.99$49.99
You save $9
-37%
AliExpressB28 OBD2 Scanner Auto Diagnostic Tool OBD2 Car Code Reader 5.1 Blue-tooth Vehicle System Check Engine Data Clear Warning Light
$18.50$29.37
You save $11
-10%
AliExpressBD200 car Repair Fault Diagnostic Tool bluetooth5.0 Car Scanner Full System Professional Car Code Reader support IOS/Android
$70.52$78.35
You save $8
-30%
AliExpressMS309 Car Code Reader Check/Clear Engine Fault Codes Universal OBD2 Diagnostic Scanner Check Emission Monitor Professional Tool
$59.67$85.24
You save $26
-6%
-35%
Amazon· TopdononlineTOPDON TopScan Lite OBD2 Scanner, Bidirectional Scan Tool, 8 Resets & AI
$51.99$79.99
You save $28
-34%
AliExpressMINI ZedBull 508 Key Master Clone Infinite Token PIN Car Code Reader Diagnostic Software Tool Key Program Clone
$55.30$83.79
You save $28
-62%
AliExpress2025 KONNWEI KW320 OBD2 Car Scanner Auto Tools OBDII Diagnostic Tool Professional Automotive Obd2 Scanner Car Code Reader
$26.25$69.08
You save $43
-62%
AliExpress2026 KONNWEI KW590 OBD2 Scanner Car Code Reader OBDII Diagnostic Tool Clear Fault Code Support Multi-Brands Cars&languages
$30.13$79.30
You save $49
-31%
Amazon· TopdononlineTOPDON Carpal OBD2 Scanner Bluetooth - All System Diagnostic Tool with AI
$40.99$59.99
You save $19
-60%
AliExpressCar OBD2 Scanner Diagnostic Tool V530 Multi-language OBDII Car Voltage Tester Engine Fault Code Scanner Car Code Reader
$11.55$28.88
You save $17
-60%
AliExpressKONNWEI KW320 OBD2 Car Scanner Auto Tools OBDII Diagnostic Tool Professional Automotive Obd2 Scanner Car Code Reader
$27.98$69.09
You save $41
Amazon· TOPDON AuthorizedTOPDON AL400 OBD2 Scanner, Check Engine Light Scan Tool, Code Reader
$29.99
-60%
AliExpressKONNWEI KW590 OBD2 Scanner Car Code Reader OBDII Diagnostic Tool Clear Fault Code Support Multi-Brands Cars&languages
$32.32$79.81
You save $47
-50%
AliExpressAutomotive Car Code Reader Adapter Scanner Auto Tools On-Board Computer Display 2in1 KONNWEI KW206 Car Diagnostic HUD OBD2
$45.08$90.16
You save $45
-57%
AliExpressV520 OBD2 Professional Scanner Car Code Reader, Multi-language Automotive Diagnostic Tool Real Time Data Engine Fault Detector
$24.52$56.77
You save $32
-46%
AliExpress5 Software FORscan Elm327 USB V1.5 HS/MS CAN Switch PIC18F2480 CH340 OBD OBD2 Scanner Car Code Reader Free Multiecuscan v5.2
$15.42$28.56
You save $13
-48%
AliExpressV520 car code reader handheld portable, multilingual, car engine fault detector
$29.58$56.89
You save $27
-37%
AliExpressKONNWEI KDIAG Auto Full System Diagnostic Tester ABS Air-ba-g Brake Pad Multi functional Diagnostic Scanner OBD2 Car Code Reader
$44.40$70.48
You save $26
-30%
AliExpressKONNWEI HUD 2‑in‑1 OBD2 Car Code Reader Scanner HUD On‑Board Computer Display Automotive Diagnostic Tool For Most 12V CAR
$46.96$67.09
You save $20
-37%
AliExpressB26 OBD2 Scanner Blue-tooth 5.1 Auto Diagnostic Tool Car Code Reader Scanner Supports 9 Protocols Fault Detector OBD2 BT5.1 V1.5
$18.50$29.37
You save $11
-33%
AliExpressReliable- M312 Multi-Language Car Diagnostic Instrument OBD2 for Mercedes-Benz Portable Car Code Reader
$41.64$62.15
You save $21
-33%
AliExpressOP-COM V1.99 Diagnostic Interface OBD2 Scanner Professional Car Code Reader ECU Programming Tool for Opel Vauxhall Saab Vehicles
$21.11$31.50
You save $10
-30%
AliExpressKW905 Blue-tooth 4.0 5.0 Android IOS OBD Automotive Fault Diagnosis Instrument Scanner Tester BD2 Scanner ELM327 Car Code Reader
$23.61$33.73
You save $10
-28%
AliExpress2026 KONNWEI KW590 OBD2 Scanner Car Code Reader OBDII Diagnostic Tool Read Clear Fault DTC Code Lookup O2 Monitor Test Live Data
$32.69$45.63
You save $13
Not what you need? Search all OBD2 scanners →
Refreshed daily. Prices come straight from each store's product feed — last update Nov 11, 2026.
9 stores, one list. We mix stores so no single shop crowds out the rest.
Coupons on top. Look for the coupon tag on a deal to save even more at checkout.
OBD2 Scanners under $100: FAQ
1What is the cheapest OBD2 scanner under $100?
1
What is the cheapest OBD2 scanner under $100?In today's comparison, well-matched OBD2 scanners start at $11.55 — for example "Car OBD2 Scanner Diagnostic Tool V530 Multi-language OBDII Car Voltage Tester Engine Fault Code Scanner Car Code Reader" at AliExpress. Prices change daily, so check the store for the current price.
2How much do OBD2 scanners under $100 usually cost?
2
How much do OBD2 scanners under $100 usually cost?The typical price of the OBD2 scanners in this list is about $50. 66 models from 9 stores are listed under $100.
3Which stores sell OBD2 scanners under $100?
3
Which stores sell OBD2 scanners under $100?AliExpress (40), Walmart (12), Nilight (4), Amazon (4), VEVOR (2) and LAUNCH (1) and 3 more stores — the number shows how many matching OBD2 scanners each store has.
4Are any OBD2 scanners under $100 on sale?
4
Are any OBD2 scanners under $100 on sale?Yes — 40 are marked down right now. The biggest markdown is 62% off "2025 KONNWEI KW320 OBD2 Car Scanner Auto Tools OBDII Diagnostic Tool Professional Automotive Obd2 Scanner Car Code Reader" at AliExpress ($26.25). Use the "On sale" filter to see them all.
5How often is this list updated?
5
How often is this list updated?Every day, after the stores' product feeds are refreshed. This list was last updated on Nov 11, 2026. Prices and stock can change at any time, so the store's own page is always the final word.
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Prices and availability come from the stores and may change. We may earn a commission when you buy through these links — affiliate disclosure.