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Top 7 Best Automotive Multimeters In 2021 Reviews & Buying Guide

During the diagnosis of a malfunctioning electric or electronic system, multimeters ease our job by detecting faults. These faults can be found in wiring connections, voltage supply assembly, and other factors of the vehicle.

This tool gives us updates about the working condition of the electronics involved in automotive.

Therefore, the need for a functional automotive multimeter is undeniable.

Since the market is flooded with multimeter models, you can get confused about which product to add to your cart. Thus, stick to this article and read the in-depth review of some of the best automotive multimeters.

More on this later.

Also check out our tips section, which will guide you about the fundamentals everybody should prioritize when purchasing multimeters.

Top 7 Best Automotive Multimeters In 2021 Reviews & Buying Guide

Best Automotive Multimeters Comparison Table

ProductsDisplay TypeAuto-rangingRating
Display Type
5 out of 5 stars (5 / 5)
Display Type
4.5 out of 5 stars (4.5 / 5)
Display Type
4.5 out of 5 stars (4.5 / 5)
Display Type
4.8 out of 5 stars (4.8 / 5)
Display Type
4.5 out of 5 stars (4.5 / 5)
Display Type
Digital and Analog
Auto- and manual-ranging
4.8 out of 5 stars (4.8 / 5)
Display Type
Auto- and manual-ranging
4.5 out of 5 stars (4.5 / 5)

Top 7 Best Automotive Multimeters In 2021 Reviews

There’s no need to put in hours of research to find the best multimeter. Instead, simply lay your hands on our picks. Also, have a look at the downsides of each product to stay confident about your investment.

1 Power Probe IV

This is a multi-functional multimeter. Let’s start with its measuring capacity.

The multimeter is dedicated to measuring both AC and DC voltage within the range of 12V to 24V. Other than this, it smartly acts as an Ohmmeter, frequency, and pulse width tester.

Yes, you read that right.

Furthermore, it boasts a Fuel Injector Mode. The measurement of injection supply voltage, inductive kick voltage, ECM ground voltage, and Noid lights also come into its domain. Hence, circuit testing is not a big deal as long as you have Power Probe IV.

To bring all the readings into your knowledge, it comes with a classy colored LCD screen. This screen features a user-oriented menu that you can get familiarized with very easily.

Now let’s talk about the built. The entire housing resists the damages of solvents, chemicals, and water exposure. Thus, you don’t have to worry about the protection of the device on the worksite. A large 27-ft cable lets you do the job conveniently.

Moreover, it allows you to store the tool in a safe case provided in the package. Along with the multimeter, you also get a 3-inch probe tip and battery clip set as bonus accessories.

Power Probe IV
Our rating:5 out of 5 stars (5 / 5)


  • Pre-attached large cable cord.
  • Quality LCD display panel.
  • Injector mode detects various electrical quantities.
  • Features an auto-resetting circuit-breaker.
  • Shield case is available in the package.


  • The construction has room for improvement.

2 Innova 3320 Auto-Ranging Digital Multimeter

This is one of the most opportunistic auto-ranging multimeter, which is ideal for both commercial and residential use. Its primary purposes include testing of the duty cycle, breaker points, switches, wiring, alternator diodes, solenoids, RPM, and so on. Having said that, its well-thought-out construction is enough to convince you.

Here is why…

The body is compact and lightweight, so that you can easily hold it for a long time. In addition, thick rubber padding covers all the corners of the multimeter. This rubber padding significantly enhances the grip while also protecting the device from the consequences of accidental drops.

Hence, a mechanic will not experience unwanted slippage of the product from his hands and can expect it to serve him for long. It is also UL-certified, so you can rely on this multimeter without any fear of false readings.

Time to raise the curtain on the features.

Powered by a AAA battery, this multimeter boasts an auto-shut-off feature. With this unique feature, it promptly goes into sleep mode after a few minutes of inactivity. As a result, the battery lasts longer.

The design includes colored LED lights that illuminate and signify the battery status. The green LED indicates a full battery, yellow shows weak, and the red means it’s high time to switch to a fresh battery set. Consequently, you can arrange the batteries prior to the moment the multimeter becomes useless.

Innova 3320 Auto-Ranging Digital Multimeter
Our rating:4.5 out of 5 stars (4.5 / 5)


  • Equipped with LEDs to indicate the remaining battery power.
  • Resourceful design and reliable construction.
  • Test leads, holders, and a hands-free stand are already in the package.


  • No storage case is provided.

3 Klein Tools MM600 HVAC Multimeter

Manufactured from rugged ABS plastic, this multimeter is of the caliber of HVAC systems. Thus, mechanics and individuals indulged in the electronics field should not miss a chance to have this equipment on their hands.

First of all, let’s applaud its multi-tasking abilities. It can measure AC/DC voltage of up to 1000V, AC/DC current of up to 10A, resistance of up to 40MΩ, detection of frequency, test diodes, capacitance, temperature, duty-cycle, and much more. On top of that, every reading will be precise to a great extent.

As to ensure secure handling, it holds safety ratings of CAT IV 600V and CAT III 1000V. In other words, it is even ideal to use for beginners.

The edges are protected by rubber housing; hence, there’s no chance of wear-outs despite regular use. However, it is strong enough to sustain drops from a 6.6-feet elevated point. When not in use, make the most of the nylon pouch included in the free accessories.

A single set of batteries serves in the long run. Nonetheless, whenever you feel the need for a new battery, go ahead and replace it yourself. An easy-to-reach battery and fuse compartment makes the whole replacement procedure hassle-free.

Still not convinced?

The product costs very less than the competition. In simple words, you get innovative features and long-lasting construction at an extremely affordable price.

Klein Tools MM600 HVAC Multimeter
Our rating:4.5 out of 5 stars (4.5 / 5)


  • Low-battery indicator included in the construction.
  • Best budget multimeter.
  • Features a backlit LCD display.
  • CAT III- and CAT IV-safe.
  • A pouch is provided to protect the device.


  • No facility to clamp it.

4 Fluke 115 Compact True-RMS Digital Multimeter

This piece of equipment is a master at measuring resistance of up to 40MΩ, True-RMS, capacitance, frequency, continuity, voltage, and diode performance. It also measures current up to 2A. A 4mm silicone test lead, included in the component box, will make it easier for you to conduct these tests.

It all boils down to this…

The plastic body ensures impressive durability. Even the safety benchmarks recognized worldwide, such as UL, CSA, TUV, VDE, also confirm the physical strength, efficiency, and safety level of the product. This is the reason why Fluke multimeter offers a great warranty of three years to its buyers.

The large display panel, integrated with a white backlight, shows the output of the tests. Accessing the menu and other options is not complicated at all. In fact, you will become proficient at using this device after a few uses.

Since it runs on a battery, the company provides a compatible 9V battery along with a holster. So, you don’t need to spend money separately for additional essentials.

Fluke 115 Compact True-RMS Digital Multimeter
Our rating:4.8 out of 5 stars (4.8 / 5)


  • Perfect size for manly hands.
  • The warranty lasts for three years.
  • Survives sudden drops and humid weather.
  • Introduces a straightforward user menu.
  • Qualified by several safety standards.


  • Narrow view angle screen.

5 TRMS Digital Multimeter eM860T by ennoLogic

Want to measure voltage current, frequency, temperature, capacitance, duty cycle, and resistance with just one device?

Here is what you yearn for.

The TRMS digital multimeter is the best for electronics, which alone will execute all these measurements impeccably.

It supports both auto as well as manual-ranging so you can decide on which method you feel comfortable with. Checking the voltage availability in circuit breakers, electrical fixtures, power cords, switches, and other sorts of wires is extremely easy with this tool. In short, it extends its service for domestic use too.

As if that’s not enough…

Its accuracy and harm-free performance are backed by CAT III 1000V, CAT IV 600V, and IEC 61010-1:2001. The best thing to remember is that it comes with a ten-year warranty, thus adding to the user convenience.

The reason behind the long-running warranty is an outstanding construction. When the tough plastic housing is exposed to unintentional collision with the floor, the rubber padding keeps the unit safe, sound, and intact.

You can read the results of the above-mentioned parameters on a clear display screen supported by bright backlighting. From operating the device to witnessing the output, everything is a piece of cake.

TRMS Digital Multimeter eM860T by ennoLogic
Our rating:4.5 out of 5 stars (4.5 / 5)


  • Fully complies with IEC 61010-1:2001.
  • Precise and fast readings.
  • Covers a ten-year warranty.
  • Comes with a carrying case, Type K thermometer probe, 9V battery, and test leads.


  • Backlight stays for fifteen seconds only.

6 Fluke 88 V/A KIT Automotive Multimeter

On purchasing this unit, you get a whole kit comprising numerous beneficial components along with a sturdy 88V multimeter. The list of these accessories starts with SureGrip silicone test leads, SureGrip nickel-plated alligator clip set, test probes, probe for inductive RPM, and temperature. It also includes a meter hanger and a hanging strap, magnet, back probe pins, insulation piercing probe, cover, holster, 9V battery, and guide book or CD.

This is the best multimeter for automotive since it is conducive to detecting high-intensity voltage, current, frequency, and resistance commonly proposed by hybrid vehicles. Apart from that, it also measures capacitance, temperature, continuity, and diode rating.

The device shows readings in two forms: analog and digital. So, if you are used to digital numerals, select digital mode. You can also choose the analog mode for graphic representation of the intensity of each parameter. Be tension-free while using it since this multimeter meets the safety ratings of UL, CSA, CAT III 1000V, and CAT IV 600V.

Want to know more?

The magnetic hanger allows you to attach the multimeter to it temporarily. Doing so eliminates the need for holding the device and keeping the hands occupied throughout the use.

Fluke 88 V/A KIT Automotive Multimeter
Our rating:4.8 out of 5 stars (4.8 / 5)


  • The construction includes a built-in thermometer.
  • Versatile accessories are provided in the package.
  • Both digital and analog modes.


  • A bit on the expensive side.

7 Actron CP7677 AutoTroubleShooter – Digital Multimeter and Engine Analyzer

This multimeter adeptly manages to cater to the needs of mechanics and electricians as well. Its primary job is to troubleshoot issues in charging components, fuel delivery systems, ignition assemblies, and the electric circuit. Moreover, it takes pride in detecting the levels of resistance, continuity, current, voltage, and diode output accurately.

In this device, all the readings, including the reverse polarity signal, are displayed on an LCD screen. A button is there on the model that brings the most recent data back to the screen, in case you remove it unintentionally.

The story does not end here.

Alligator clips, protective boot, fold-out stand, guide, retractable test leads, and, of course, the multimeter make up the entire package. The design can also be rested on a stand, which can be folded whenever you want to.

Actron CP7677 AutoTroubleShooter – Digital Multimeter and Engine Analyzer
Our rating:4.5 out of 5 stars (4.5 / 5)


  • Approved by UL and ELT.
  • Allows for hands-free usage with the aid of a foldable stand.
  • Large screen for on-the-go readability.
  • Appropriate for both 6V and 12V connections.
  • Best multimeter for automotive and electronics.
  • Interchangeable 4, 6, 8 cylinder modes.
  • It also works as a dwell and RPM meter.


  • The battery has to be bought separately.

Best Automotive Multimeters Buying Guide

Some things about a multimeter are better to know rather than purchasing an ineffective product and then regret later. Lack of these basics can deter the product from giving its best. Without any further delay, let’s look at the aspects required to assess the credibility of a multimeter.

Height of Accuracy

If a multimeter yields incorrect data or observation, you will eventually end up going for the wrong solution for a defective system. Thus, accuracy and precision hold a salient and foremost value in a multimeter.

automotive multimeters

The data and readings should be correct in their truest sense. Only then will you be able to diagnose the failure exactly. Multimeters exhibiting ghost readings are not acceptable at all.


For a mechanic, who is mostly engaged with electric-circuit-entailing activities, it is highly recommended to look for safety features or ratings in a multimeter. The best automotive multimeters are those that encompass UL, CSA, or ICE approval.

Besides, some models possess CAT III or CAT IV for certain limits of voltage. Such multimeters also give an adequate guarantee against voltage shocks. Thus, go for multimeters that are safe to use.


The panel on which you will be reading the results should be of the finest quality so that you can read the results at a quick glance. Nowadays, multimeters come with LCD screens, some of which are also backlit. The backlighting makes the unit favorable for all light situations.

Multimeters equipped with large screens not only display pronounced readings but also improve readability from different angles. They also relieve the eyes from stressing to read the numerals in faint lights. So, don’t make the mistake of ignoring the characteristics of the display screen.


Mechanics use a multimeter nearly every hour. Meanwhile, the device may get dropped many times. Nonetheless, no mechanic would like to buy a new multimeter frequently. Therefore, multimeters should have a strong built to withstand rigorous and consistent use.

Hard ABS plastic is the ideal material for manufacturing the body of a multimeter. Plastic increases durability, thereby increasing the lifespan.

best automotive multimeter

To add more years to its life-cycle, rubber sleeving is crafted around the edges, especially on the corners. These sleeves act as a shield to reduce the impacts experienced as a result of sudden drops. Hence, construction matters a lot.

Next time when you shop for a multimeter, make sure the product possesses resilient features that also complement the construction.

Ergonomic Design

The design also makes a huge difference in the overall usability of the product. In the case of a multimeter, it should be user-friendly, so there should be no complaint about it being heavy to carry.


A multimeter is supposed to inform you about the internal happenings of the electronic system. Therefore, always be careful while choosing this device, and don’t forget to check the important factors in that product. You can also try out the best automotive multimeters included in this review.

Which is the best one, you ask?

We are glad to declare Power Probe IV as the winner of this round-up. With this product, testing AC/DC voltage, current, pulse width, and resistance is easy. Moreover, it enables the user to employ fuel injector mode for effective analysis of ECM and inductive kick voltage.

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