International engine-oil selection guide Choose Engine Oil by Fuel Type, Emissions System and Manufacturer Approval Diesel and gasoline—or petrol—engine oils can share the same SAE viscosity, base-oil type and even …
Gasoline, diesel and heavy-duty towing oil guide Choose Engine Oil That Protects Under Towing Heat and Load The best oil for towing is not automatically the thickest oil or the …
Heavy-duty diesel oil specification guide Choose Between CJ-4 and CK-4 Without Risking Your Diesel Engine or DPF API CJ-4 and CK-4 are performance categories for high-speed four-stroke diesel engine oil. …
Oil-only change explained You Can Drain the Oil Without Replacing the Filter—but Usually Should Not An engine will usually continue running if you replace the oil but leave the existing …
Diesel truck oil capacity guide Find the Correct Diesel Engine Oil Amount Before You Start the Oil Change Most full-size diesel pickup trucks take roughly 10–15 US quarts, or about …
Diesel pickup maintenance intervals Diesel-Truck Oil Changes Depend on Mileage, Time, Engine Hours and Workload Many modern diesel pickups can travel roughly 7,500–15,000 miles (12,000–24,000 km) between oil changes under …
Heavy-duty diesel pickup oil guide Match the Oil to Your Exact Duramax, Power Stroke or Cummins Engine The best diesel oil is not one universal brand or one viscosity for …
Two fluids, two completely different systems Know Where DEF and Engine Oil Go—and What to Do After a Wrong Fill Diesel Exhaust Fluid (DEF) is a water-based emissions fluid that …
Used diesel oil testing explained Use a Small Oil Sample to Find Fuel, Coolant, Soot and Wear Before They Become Expensive Diesel oil analysis is often worth doing when the …
Diesel oil-level and filter-service guide Check the Sump Level Correctly Before and After Both Filters Fill A diesel engine with two oil filters still normally has one crankcase, one oil-fill …
Fleet oil-interval planning The Best Fleet Oil Interval Is Set by Duty Cycle—not One Mileage Number A passenger car, delivery van, police vehicle, diesel pickup and Class 8 tractor should …
Heavy-duty truck oil capacity guide Find the Correct Work-Truck Oil Capacity Before Buying or Pouring the Oil Heavy-duty work trucks can require anything from roughly 10 US quarts in a …
DPF regeneration and diesel fuel-in-oil guide Recognize Rising Oil Level Before Diesel Dilution Damages the Engine During some active diesel particulate filter regeneration strategies, the engine uses late fuel injections …
Winter diesel viscosity and cold-start guide Choose Diesel Oil That Pumps Quickly Without Losing Required Protection The best oil for a diesel truck in cold weather is the lowest winter-grade …
Quick-lube comparison Valvoline Is Better for a Straightforward Stay-in-the-Car Oil Change; Jiffy Lube Can Be Better for Broader Vehicle Service Valvoline Instant Oil Change is the stronger default when your …
Current Walmart Auto Care pricing Compare Walmart Oil-Change Packages Before Extra Oil and Upgrades Change the Bill Walmart’s official US oil-change menu currently starts at $28.88 for Pit Crew conventional …
Independent 2026 quick-oil-change comparison Choose the Best Quick-Lube Chain for Speed, Value and Service Scope There is no single quick-lube chain that wins for every driver. Valvoline Instant Oil Change …
High-mileage diesel troubleshooting guide Recognize Diesel Truck Oil Problems Before They Become Engine Failures A high-mileage diesel may use some oil between services, but rapid oil loss, a rising dipstick …
Drive-through oil change comparison Choose the Better Quick Oil Change for Your Car, Budget and Maintenance Needs Take 5 and Valvoline Instant Oil Change both offer no-appointment, stay-in-your-car oil changes. …
Oil-change chain comparison Firestone or Midas? Compare the Real Oil-Change Value Before You Book Firestone Complete Auto Care and Midas can both perform a routine oil and filter change, inspect …
Dealership service decision guide When Paying More for a Dealer Oil Change Actually Makes Sense A dealership oil change is not automatically better, and most drivers do not need to …
At-home vehicle maintenance guide How to Book a Mobile Oil Change Without Risking Your Engine A mobile oil change can be just as reliable as a shop visit when the …
Service shop versus DIY parts store Pep Boys and AutoZone Oil Changes: Know Where to Book and Where to Buy Pep Boys performs oil changes at participating service locations. You …
Costco vehicle-service reality check Does Costco Change Oil, and Should You Join for Automotive Savings? For most drivers in the United States, the answer is no: Costco Tire Centers do …
Oil-change membership review Which Oil Change Subscription Actually Saves You Money? Oil-change subscriptions promise predictable monthly payments, automatic reminders and discounted service. The problem is that many plans cost more …
Oil-change shop decision guide Local Mechanic or Chain Shop? Choose the Better Oil-Change Service An independent mechanic may offer more personal attention, long-term vehicle knowledge and direct access to the …
Turbo engine oil-capacity guide Find the Correct Oil Capacity for a Turbocharged Engine There is no universal oil capacity for a turbocharged engine. Two engines with the same displacement can …
Oil-service shop selection guide Use a 15-Minute Trust Test Before Anyone Touches Your Engine A trustworthy oil-change shop does more than advertise a low price. It identifies your exact engine, …
Four-cylinder oil capacity guide Why a Four-Cylinder Engine May Need 3.5, 4.5 or More Than 6 Quarts Most passenger-car four-cylinder engines hold roughly 3.5 to 5.5 US quarts, or about …
V6 oil quantity and refill guide Find the Correct V6 Oil Amount Without Guessing by Engine Size A V6 engine does not have one standard oil capacity. Many passenger-vehicle V6 …
V8 oil capacity explained clearly How Much Oil Does a V8 Engine Take? A V8 engine does not have one standard oil capacity. A practical planning range for many road-going …
Rotary engine oil guide Rotary Engine Oil Capacity Is Different—Here Is How to Fill It Correctly A rotary engine does not merely store and circulate oil. In many Mazda rotary …
Straight-six oil capacity guide How Much Oil Does an Inline-6 Engine Actually Need? There is no universal inline-six oil capacity. A modern 3.0-litre gasoline inline-six may use around 7.5 US …
1.0L–1.5L oil capacity guide Small Engine Size Does Not Mean a One-Litre Oil Capacity Many 1.0L–1.5L passenger-car engines use approximately 3.1 to 4.6 litres of oil during a routine oil-and-filter …
Performance-engine oil capacity guide Measure Sports Car Engine Oil the Way the Manufacturer Intended High-performance sports car engines often carry more oil than ordinary passenger-car engines, but there is no …
Engine size versus actual oil requirement Does a Bigger Engine Always Need More Oil? Engine displacement influences oil capacity, but it does not determine it. Larger engines often need more …
Flat and boxer engine oil guide Boxer Engine Oil Capacity Explained Without the Guesswork A flat engine’s horizontal cylinders do not determine how much oil it holds. Capacity depends on …
DOHC engine oil-capacity guide How Much Oil Does a Dual-Overhead Cam Engine Need? There is no universal oil capacity for a DOHC engine. Dual-overhead cam describes the position of the …
Winter engine-oil selection guide Choose Oil That Reaches the Engine Quickly on a Freezing Start The best oil for cold-weather starts is usually the lowest winter grade specifically approved for …
Classic OHV V8 oil-capacity guide Why an Older Pushrod V8 May Need 4, 5, 6 or More Than 8 Quarts Many stock older American pushrod V8s use approximately 4 to …
Choosing motor oil for hot weather How Summer Heat Changes Engine-Oil Decisions Climate affects engine-oil performance, but hot weather does not automatically mean your car needs thicker oil. Start with …
Cold-weather engine-oil guide Winterize Your Car’s Oil Without Using the Wrong Viscosity Winterizing engine oil does not mean automatically switching every car to the thinnest oil on the shelf. The …
Cold-weather oil-change decision guide Change the Oil Before Winter—or Keep Driving? You do not automatically need an oil change because winter is approaching. Change it before cold weather when the …
Extreme-temperature road-trip oil guide Choose One Oil That Protects From the Coldest Start to the Hottest Climb The best road-trip oil is not one universal brand or viscosity. It is …
Hot-weather engine oil guide The Right Hot-Climate Oil Is the Approved Grade—not Simply the Thickest Bottle For most vehicles, the best oil viscosity in a hot climate is still the …
Cold-weather oil-pressure guide Understand Cold-Start Oil Pressure Before Assuming Something Is Wrong Cold weather can produce a noticeably higher oil-pressure reading immediately after startup because cold oil is more resistant …
Spring vehicle-fluid inspection Check Your Oil and Fluids Before Spring Driving Begins Winter cold, road salt, mud, standing water and short journeys can leave a vehicle with low fluid levels, …
Hot-climate engine protection guide How Heat Oxidizes Oil, Uses Up Additives and Creates Deposits Extreme heat makes engine oil work harder. Higher oil temperatures accelerate oxidation, increase evaporation, consume protective …
Local used-oil recycling guide Find a Safe Used Motor Oil Drop-Off Near You Used motor oil should be recycled—not poured onto the ground, placed in a drain or left in …
Used engine-oil recycling guide From Drain Pan to New Lubricant: The Real Journey of Used Motor Oil Used motor oil is not simply poured through a filter and returned to …