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.

Castrol Edge High Mileage 10w 40 Advanced Full Synthetic Motor

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VT8349

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Description

🛢️ Elevate your engine’s longevity — because your ride deserves the edge.

LEAK DEPOSIT DEFENSE - Minimizes oil leaks, burnoff, and harmful deposits to keep your engine running smooth.
EMISSION SYSTEM GUARDIAN - Phosphorus Replacement Technology protects your catalytic converter for cleaner rides.
LONG LASTING PERFORMANCE - Drive up to 15,000 miles between oil changes without compromise.
TAILORED FOR HIGH MILEAGE - Specifically engineered for vehicles with 75,000+ miles to extend engine life.
TRUSTED INDUSTRY STANDARD - Meets or exceeds API SP/SN PLUS/SN/SM specifications for peak reliability.

Castrol EDGE High Mileage 10W-40 is an advanced full synthetic motor oil designed for vehicles with over 75,000 miles. Featuring Phosphorus Replacement Technology, it protects emission systems while reducing leaks, oil burnoff, and deposits. With up to 15,000 miles between oil changes and compliance with top API standards, it delivers superior engine protection and performance.

Specifications

ASIN	B01CRYHQEE
Automotive Fit Type	Universal Fit
Best Sellers Rank	#17,957 in Automotive ( See Top 100 in Automotive ) #233 in Motor Oils
Brand	Castrol
Brand Name	Castrol
Compatible with Vehicle Type	Car
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 114 Reviews
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
Package Information	Bottle
SAE J300 Viscosity Grade	10W-40
Size	1 Quart
UPC	079191261712
Unit Count	32.0 Fluid Ounces
Vehicle Service Type	Car
Viscosity Level	Medium to High

Reviews

H**Z

24.08.2025

L**C

14.05.2025

B**N

4.06.2025

W**R

3.02.2025

D**.

31.07.2022

S**8

12.07.2024

D**.

8.05.2022

B**N

4.10.2024

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VT8349

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

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