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How Piston Shape Impacts Engine Performance And Efficiency
Engineers have a lot to think about when designing new engines, and one of the biggest considerations is the shape of the pistons in the cylinders.
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It's Not Always Legal To Ride Your ATV On A Snowmobile Trail
ATVs and snowmobiles both get you out in the wild to enjoy a brisk ride, so you can ride an ATV on a snowmobile trail, right? Ummm .... maybe not.
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5 Wheel Bearing Myths It's Time To Set Straight
Wheel bearings are a very overlooked part of your vehicle, and that's led to a number of incorrect (and potentially dangerous) myths surrounding them.
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What Are The Practical Limits Of Turbo Boost Pressure?
More turbo boost pressure can create a bigger boom for your engine, but not every block will be able to handle that pressure with the same effectiveness.
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What Causes An Engine To Seize And Can It Be Fixed?
A seized engine is one of the worst things that can happen to your car. Here's what causes an engine to seize and whether the issue is something you can fix.
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When Should You Choose Regular Vs. Ultra-Low Sulfur Diesel
Not all diesel is created equal. Like gasoline, it comes in various grades, and choosing the right one is important. But which should you pick?
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How C8 Corvette Stingray Insurance Costs Compare To Similarly Priced Sports Cars
The cost of auto insurance can be huge these days, especially for a powerful sports car. Here's how the 2025 Corvette Stingray compares to its rivals.
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Is It A Bad Idea To Change Your Oil Filter Without Changing Your Oil?
When you need to change your oil filter, it's tempting to skip the messy oil change and just swap the filter, but is that the right thing to do?
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How Tesla's Perfect-Score Car Forced Consumer Reports To Change Its Ratings System
When a 2015 Tesla got an impossibly good score, Consumer Reports realized there was something missing from its ratings. After all, nothing's perfect.
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Which Requires More Maintenance And Repair, Turbocharging Or Supercharging?
Superchargers and turbochargers are both great ways to increase a vehicle's horsepower, but which one requires more maintenance? Here's what to know.
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Do You Need To Use Turn Signals In Roundabouts?
Turn signals are required by law throughout the U.S., but do they apply to roundabouts, too? Their rarity has made the question difficult to answer.
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This Is What Goes Into Building An Armored Vehicle (And What It Costs)
If you're expecting a troop of baddies with high-powered guns and explosives, you need an armored car. But there's lots to buy, and it won't come cheap.
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Can A Used Saab Be Reliable? Yes, But It Will Take Some Work
Saab has been out of commission for over a decade now, but it's not a bad idea to go for one of its used models. Just know that you'll need to put in some work.
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When Does Following A Car Become Tailgating?
Nobody wants to have a tailgater right behind them, and laws often forbid the practice. But how do you know when you've crossed over into tailgating?
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F1 Cars Have New Lights This Season, And They Can Tell You A Lot
With five total lights now on every F1 car, two at the front and three at the back, they can signal all sorts of important information to the drivers.
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12 Popular Cars That Weren't Meant To Be Full Models, At First
The auto industry is unpredictable. Some of the most iconic cars began as simple trim packages before growing into full models that exceeded all expectations.
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What's The Difference Between The Mopar 440 And 440 Magnum Muscle Car Engines?
The Mopar 440 powered late '60s Dodge and Plymouth cars, with both standard and iconic high-performance versions putting their stamp on the muscle car era.
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The Most Dangerous Days To Drive In America Have Been Remarkably Consistent
It's important to try and avoid getting into accidents when you're driving, but some particular days are consistently dangerous when you're in a vehicle.
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Hydraulic Vs Rubber Engine Mounts: How Are They Different And Why It Matters
Engine mounts are vital automotive components, but they're not all the same. Here's the difference between standard rubber mounts and hydraulic versions.
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Europe's Had Gasoline Particulate Filters For 10 Years, Now It's America's Turn
Gasoline particulate filters (GPFs) have been on the roads of Europe for some time amid concerns about air quality, but now they're crossing the pond.
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How Does The BMW N54 Compare To The N55?
The BMW 3.0 N55 engine only came a few years later than the 3.0 N54, and both had much the same power output, so what are the differences between the two?
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Why It Matters That Engine Hours And Idle Hours Are Different
You might be relying heavily on your engine hours and overall mileage to determine when to perform maintenance, but you should pay attention to idle hours, too.
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Here's How The Depreciation Curve Works For Cars
With a few exceptions, car depreciation is unavoidable. Fortunately, value doesn't just drop like a rock. Here's how the depreciation curve actually works.
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What Those Gaps Along Highway Bridges Are Really Designed To Do
If you see a gap in a concrete highway bridge, don't fret. It's probably not a sign of a defect; more likely, it's there to help the bridge survive.
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What Million-Mile Club Engines Have In Common (Aside From, Y'know, The Mileage)
Want to make an engine last a million miles? Drivers control only a few of the factors that make these engines more durable than their flimsier counterparts.
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How To Tell When Your Control Arms Need To Be Replaced
Control arms are vital for keeping certain models of cars steady and safe on the road. Watch for warning signs that will tell you when they're failing.
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How Denmark's Red Streetlights Do A Lot More Than Save Energy
Denmark's red LED streetlights save electricity, but that's not all they're trying to accomplish. They may make life better for a valuable animal species.
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