If you’ve ever typed something like “why is my car making that noise?” into search, you’re not alone. Millions of drivers search the same questions every month, from MOT dates to strange dashboard lights.

Here are some of the most commonly searched car questions, based on real data, along with simple, no-nonsense answers.

When is my MOT due?

This is one of the most searched car questions in the UK, with tens of thousands of monthly searches.

• Your first MOT is due 3 years after registration
• After that, it’s every year

You can check it online using your registration number. Driving without a valid MOT can result in fines and invalidate your insurance.

How much is my car worth?

Another top search, especially when people are thinking of selling.

Your car’s value depends on:

• Age and mileage
• Condition
• Service history
• Market demand

Online valuation tools give estimates, but the real price comes down to what buyers are willing to pay.

How much is my car tax?

This question appears consistently in top search lists.

Road tax (VED in the UK) is based on:

• CO₂ emissions
• Fuel type
• Vehicle age

Electric cars are often cheaper (or free), while high-emission vehicles cost more.

How do you jump-start a car?

A very common “emergency” search.

Basic steps:

1. Connect red cable to both positive terminals
2. Connect black cable to donor battery and metal ground
3. Start the working car, then yours
4. Remove cables in reverse order

Tip: Always keep a jump starter or cables in your car, you’ll thank yourself later.

What oil does my car need?

Another top maintenance query drivers search daily.

The correct oil depends on your engine. Check:

• Owner’s manual
• Oil cap label
• Manufacturer specs (e.g., 5W-30, 0W-20)

Using the wrong oil can reduce performance and damage your engine over time.

Why is my check engine light on?

This is one of the most searched “panic” questions online.

Common causes include:

• Loose fuel cap
• Faulty sensor
• Emissions issue
• Engine problem

If it’s flashing → stop driving immediately.
If it’s steady → get it checked soon.

Why won’t my car start?

A classic Google search.

Most common reasons:

• Dead battery
• Faulty starter motor
• Empty fuel tank (it happens more than you’d think)
• Ignition issues

Battery problems are one of the top causes of breakdowns.

How often should I change my oil?

Still one of the biggest debates online.

Modern guidance:

• Typically 5,000–10,000 miles depending on the car

Short trips, traffic, and older engines may require more frequent changes.

Who can fix my car?

Yes, this is genuinely a highly searched question. 

Your options:

• Independent garages (often cheaper)
• Dealerships (brand specialists)
• Mobile mechanics

Look for reviews, certifications, and transparent pricing.

What does SUV stand for?

One of the more surprising top searches.

SUV = Sport Utility Vehicle

These are typically:

• Higher ride height
• More interior space
• Often (but not always) capable of off-road driving

Why is my car making a strange noise?

Many Google searches start with “why is my car…”

Quick guide:

• Squeaking → brakes or suspension
• Knocking → engine issue
• Grinding → brakes (urgent)
• Whining → transmission or belts

Rule: If it’s new and loud, don’t ignore it.

Is my car insured / taxed / legal?

Legal-status questions are extremely common in search data.

You can check:

• Insurance (via MID database in the UK)
• Tax and MOT (via GOV.UK)

Driving without proper documents can lead to fines, points, or worse.

Final Thoughts

Most “Google car questions” fall into just a few categories:

• Legal (MOT, tax, insurance)
• Maintenance (oil, battery, repairs)
• Problems (lights, noises, starting issues)

That tells you something important:
Most drivers aren’t looking for upgrades, they’re just trying to keep their car running and legal.

If you stay on top of basic maintenance and don’t ignore warning signs, you’ll avoid the majority of problems people end up Googling in a panic.

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