Why does buying a 6 pack cost $55 but buying 1 for $7.50 six times cost $45?

Because the single one is high mileage, not advanced synthetic.

is this oil suitable for gasoline engines with 200.000 km milage?

I'm sure it is. I have a 2004 Toyota Corolla with 100,000 miles on it. I have used various brands of fully synthetic oil in it from day 1. The car doesn't look as good as new, but the engine seems to still be performing like new.

I am seeing castrol edge 10w30 black quart and 10w30 gold quart with titanium. The gold quart is cheaper than the black. Which is better?

The 10w30 gold quart is extended performance. It should last longer in your engine before you need to change it.

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Castrol EDGE High Mileage 10W-40 Advanced Full Synthetic Motor Oil, 1 Quart

Castrol EDGE High Mileage 10W-40 Advanced Full Synthetic Motor Oil, 1 Quart

Product ID: 31390392

Details

Brand
Castrol
Liquid Volume
32 fluid
Package Information
Bottle
SAE J300 Viscosity Grade
10W-40
Vehicle Service Type
Car

⛽15,000 miles extended oil change interval

🔥Reduces leaks, oil burnoff & power-robbing deposits

🛡️Phosphorus Replacement Tech protects emission system

155.10 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛢️ Drive Farther, Protect Smarter — The Ultimate High Mileage Oil Upgrade

UNMATCHED LONGEVITY - Go up to 15,000 miles between oil changes without compromising performance or protection.
EMISSION SYSTEM GUARDIAN - Phosphorus Replacement Technology safeguards your catalytic converter for cleaner, efficient driving.
POWER EFFICIENCY BOOST - Minimizes leaks and oil burnoff, reducing power-robbing deposits to maximize engine output.
ENGINEERED FOR HIGH MILEAGE - Specifically formulated for vehicles over 75,000 miles to keep your ride running smoother, longer.
UNIVERSAL FIT TRUSTED BRAND - Compatible with most cars and backed by Castrol’s industry-leading expertise and 12-month warranty.

Castrol EDGE High Mileage 10W-40 is a premium full synthetic motor oil designed for vehicles with over 75,000 miles. Featuring advanced Phosphorus Replacement Technology, it extends emission system life while reducing leaks, oil burnoff, and deposits. With up to 15,000 miles between oil changes, it delivers superior engine protection and efficiency, meeting or exceeding API SP/SN PLUS/SN/SM standards.

Specifications

ASIN	B01CRYHQEE
Automotive Fit Type	Universal Fit
Best Sellers Rank	#30,814 in Automotive ( See Top 100 in Automotive ) #298 in Motor Oils
Brand Name	Castrol
Compatible with Vehicle Type	Car
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (130)
Global Trade Identification Number	00079191261712
Included Components	Motor Oil
Item Type Name	Motor Oil
Liquid Volume	32 fluid ounces
Manufacturer	Castrol
Manufacturer Part Number	15D53C
Manufacturer Warranty Description	12 months
Model Number	15989F
Number of Packs	1
SAE J300 Viscosity Grade	10W-40
Size	1 Quart
UPC	079191261712
Unit Count	32 Fluid Ounces
Viscosity Level	Medium to High

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TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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155.10 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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