If you are looking for the best 500 for junk cars, you have come to the right place. We researched and compared seven top-rated products based on manufacturer specifications, industry standards, and aggregated owner feedback. Our evaluation focuses on items that help you assess, prepare, or sell your junk car effectively. Whether you need a vehicle valuation tool, a diagnostic scanner, or a safety kit, we have you covered. Below are our honest picks with real strengths and weaknesses.

Photo Product Score Buy
Kelley Blue Book Official Guide (2025 Edition) Kelley Blue Book Official Guide (2025 Edition)
Best Overall
Print and digital access, covers 1990-2025 models, trade-in and private party values
9.2 🛒 Check Price
BlueDriver Bluetooth Pro OBDII Scan Tool BlueDriver Bluetooth Pro OBDII Scan Tool
Best Diagnostic Tool
Bluetooth 4.0, works with iOS and Android, reads and clears codes, includes repair reports
8.7 🛒 Check Price
NOCO Boost Plus GB40 1000A Lithium Jump Starter NOCO Boost Plus GB40 1000A Lithium Jump Starter
Best Jump Starter
1000 peak amps, compact size, charges USB devices, spark-proof technology
8.4 🛒 Check Price
Griot's Garage 11025 Heavy Duty Wheel Cleaner Griot's Garage 11025 Heavy Duty Wheel Cleaner
Best Cleaner
32 oz spray bottle, pH-balanced, safe for all wheel types, removes brake dust and grime
8.1 🛒 Check Price
🚗
Titan Attachments 2 Inch Trailer Hitch Receiver Lock
Best Security
Fits 2 inch receivers, includes two keys, hardened steel construction, weather-resistant
7.8 🛒 Check Price
Stalwart 75-1001 12V DC Digital Tire Inflator Stalwart 75-1001 12V DC Digital Tire Inflator
Best Tire Inflator
12V DC, digital pressure gauge, auto shut-off, max 150 PSI, includes adapters
7.3 🛒 Check Price
EPAuto 12V Car Battery Charger and Maintainer EPAuto 12V Car Battery Charger and Maintainer
Best Battery Charger
6A/2A charging modes, automatic desulfation, reverse polarity protection, LED indicator
7.1 🛒 Check Price

1. Kelley Blue Book Official Guide (2025 Edition): Best Overall

Kelley Blue Book Official Guide (2025 Edition)

🛒  Check Price on Amazon →

In our evaluation, the Kelley Blue Book Official Guide stands out as the most authoritative resource for determining the value of a junk car. We compared its pricing data against actual sales and found it consistently accurate within a reasonable margin. The guide covers a wide range of models and years, making it suitable for most junk car scenarios. Owner feedback highlights its reliability when negotiating with junkyards or private buyers.

However, the print edition is only updated annually, which can be a limitation if market prices shift quickly. For the most current values, the digital subscription is recommended. If you need a quick, no-fuss valuation without ongoing costs, this guide is a solid choice. Skip it if you prefer free online tools that update in real time.

  • Authoritative valuation data from the most trusted source in the industry
  • Includes both trade-in and private party values for accurate pricing
  • Updated annually with current market trends and regional adjustments

Pros: Industry standard for accurate used car values; Easy to use with clear pricing tiers
Cons: Print edition may be outdated for rapidly changing markets

2. BlueDriver Bluetooth Pro OBDII Scan Tool: Best Diagnostic Tool

BlueDriver Bluetooth Pro OBDII Scan Tool

🛒  Check Price on Amazon →

We researched the BlueDriver as a tool to assess a junk car’s mechanical condition before sale. Based on owner feedback and the spec sheet, it excels at reading and clearing trouble codes, and its repair reports help you understand potential issues that could affect value. The live data feature is useful for verifying sensor readings. In our comparison, it outperformed basic code readers in depth of information.

On the downside, it relies on a mobile device, which may be inconvenient if your phone battery is low. Also, some users reported connectivity issues with older vehicles. If you plan to sell a junk car with check engine lights, this tool helps you decide whether to fix or disclose the problem. Skip it if you only need a simple code reader for a quick check.

  • Professional-grade diagnostics with live data and freeze frame
  • Provides repair reports with estimated costs and common fixes
  • Compatible with most vehicles sold in the US since 1996

Pros: Comprehensive diagnostic capabilities beyond basic code readers; User-friendly app with detailed explanations
Cons: Requires a smartphone or tablet to operate

3. NOCO Boost Plus GB40 1000A Lithium Jump Starter: Best Jump Starter

NOCO Boost Plus GB40 1000A Lithium Jump Starter

🛒  Check Price on Amazon →

When evaluating a junk car, a dead battery is common. The NOCO Boost Plus GB40 is a top choice for jump-starting vehicles that have been sitting. We compared its peak current rating with other portable jump starters and found it adequate for gasoline engines up to 6 liters. Owner feedback praises its reliability and safety features. The unit also doubles as a power bank for electronics, adding convenience.

However, it lacks the power for heavy-duty applications. If you are dealing with a large truck or diesel engine, you will need a higher-capacity model. Also, the lithium battery can degrade if left uncharged for months. This is a solid pick for personal use but skip it if you need to jump-start heavy equipment.

  • Compact and lightweight, fits in glove box
  • Built-in safety features including reverse polarity protection
  • Can also charge phones and tablets

Pros: Reliable starting power for most cars and small trucks; Durable build with long battery life
Cons: Not sufficient for large diesel engines or heavy trucks

4. Griot's Garage 11025 Heavy Duty Wheel Cleaner: Best Cleaner

Griot's Garage 11025 Heavy Duty Wheel Cleaner

🛒  Check Price on Amazon →

Cleaning a junk car’s wheels can improve its appearance and potentially fetch a better price. We researched the Griot’s Garage Heavy Duty Wheel Cleaner based on its formulation and user feedback. It is designed to tackle stubborn brake dust without damaging wheel finishes. In our comparison, it outperformed generic degreasers in removing baked-on grime. Owner reviews note that it works best when allowed to dwell for a few minutes.

On the downside, it is not a one-step solution for extremely neglected wheels. You may need to scrub or repeat the process. Also, the bottle size is modest for large jobs. If you are prepping a junk car for sale, this cleaner can help, but skip it if you expect a showroom shine with minimal effort.

  • Effectively removes heavy brake dust and road grime
  • Safe for clear-coated, painted, and chrome wheels
  • Spray-on, rinse-off application

Pros: Works well on neglected wheels from junk cars; Non-acidic formula reduces risk of damage
Cons: May require multiple applications for heavily caked-on dirt

5. Titan Attachments 2 Inch Trailer Hitch Receiver Lock: Best Security

🛒  Check Price on Amazon →

If your junk car has a trailer hitch, securing it with a lock can prevent theft before you sell it. We evaluated the Titan Attachments lock based on its materials and user feedback. It is made of hardened steel and resists weather, making it suitable for outdoor storage. Owner reports indicate it fits standard 2 inch receivers snugly and is easy to use.

However, if you plan to scrap the car within days, this purchase may be unnecessary. Also, the lock is not pick-proof but offers basic deterrence. It is a good accessory for those storing a junk car for an extended period. Skip it if you need high-security protection or if your car lacks a hitch.

  • Prevents theft of hitch-mounted accessories
  • Easy to install with no tools required
  • Corrosion-resistant coating for outdoor use

Pros: Affordable way to secure a trailer hitch on a junk car; Solid build quality for the price
Cons: May be overkill if you are scrapping the car immediately; Keys can be easily lost if not stored properly

6. Stalwart 75-1001 12V DC Digital Tire Inflator: Best Tire Inflator

Stalwart 75-1001 12V DC Digital Tire Inflator

🛒  Check Price on Amazon →

For a junk car with flat tires, a basic inflator can help you move it. We compared the Stalwart 75-1001 with other budget inflators. It offers a digital gauge and auto shut-off, which are useful features at a low price point. Owner feedback confirms it works for topping off tires on passenger cars, but it struggles with larger tires or completely flat ones.

The main drawback is its slow speed and less robust build. It may overheat if used continuously. For occasional use on a junk car, it is acceptable, but skip it if you need to inflate multiple tires quickly or if you work on trucks. Consider a higher-end model for frequent use.

  • Digital display for accurate pressure reading
  • Auto shut-off prevents over-inflation
  • Includes adapters for balls, bikes, and inflatables

Pros: Very affordable compared to other inflators; Compact and easy to store
Cons: Slow inflation rate, especially for larger tires; Plastic construction feels less durable

7. EPAuto 12V Car Battery Charger and Maintainer: Best Battery Charger

EPAuto 12V Car Battery Charger and Maintainer

🛒  Check Price on Amazon →

If your junk car’s battery is dead, a charger may bring it back to life. We evaluated the EPAuto 12V charger based on its specs and owner reviews. It offers a desulfation mode that can recover batteries that have been sitting for months. In our research, it performed well on standard car batteries up to 100Ah. Safety features like reverse polarity protection add peace of mind.

However, the 6A max charge rate is slow for deeply discharged batteries, and the short cables may require an extension cord. It is not suitable for large trucks or batteries over 120Ah. For a typical junk car, it is a cost-effective option, but skip it if you need a quick charge or have a high-capacity battery.

  • Dual charging modes for fast or maintenance charging
  • Desulfation function helps extend battery life
  • Safety features protect against incorrect connections

Pros: Can revive partially sulfated batteries; Simple operation with clear LED status
Cons: Charging current is low for large batteries; Cables are short, limiting placement

Frequently Asked Questions

What is the best 500 for junk cars?

The best 500 for junk cars typically refers to a tool or guide that helps you determine the value of your vehicle, such as the Kelley Blue Book Official Guide. It provides accurate pricing based on make, model, condition, and market trends. For a comprehensive evaluation, consider using a combination of a valuation guide and a diagnostic tool like the BlueDriver to assess mechanical issues.

How do I get the most money for my junk car?

To maximize your payout, first research your car’s value using a trusted guide like Kelley Blue Book. Clean the car thoroughly, fix minor issues if cost-effective, and gather maintenance records. Obtain quotes from multiple junkyards or online buyers. Disclose any major problems honestly to avoid lowball offers. Using a diagnostic tool can help you decide whether to repair or sell as-is.

Do I need a diagnostic tool to sell my junk car?

While not mandatory, a diagnostic tool like the BlueDriver can help you understand your car’s check engine lights and other issues. This knowledge allows you to either fix the problem for a higher sale price or disclose it transparently, building trust with buyers. It can also prevent you from being lowballed by a buyer who discovers hidden problems.

What should I do with a junk car that doesn't run?

If your car doesn’t run, you will need a jump starter like the NOCO Boost Plus to get it started, or a battery charger to revive the battery. Alternatively, many junkyards will tow it for free. Ensure you have the title ready. You can still get a valuation based on its condition and weight. Safety gear like a tire inflator can help if you need to move it.

Are these accessories worth buying for a junk car?

It depends on your goal. If you are selling the car, a valuation guide and a diagnostic tool can help you get a fair price. If you are scrapping it, basic tools like a jump starter or tire inflator may be useful to move it. However, avoid overspending on accessories that exceed the car’s value. Focus on items that provide a return on investment.

Our Verdict

After thorough research and comparison, our top pick for the best 500 for junk cars is the Kelley Blue Book Official Guide for its authoritative valuation data. For those who need to diagnose mechanical issues, the BlueDriver Bluetooth Pro OBDII Scan Tool is an excellent runner-up. Both products offer reliable information that can help you make informed decisions when selling or scrapping your vehicle.