---
product_id: 614949695
title: "Mobil 1-123840 Extended Performance High Mileage 5W-20, Gray; 5QT (Pack of 2)"
brand: "mobil"
price: "€ 188.33"
currency: EUR
in_stock: true
reviews_count: 13
category: "Mobil"
url: https://www.desertcart.hr/products/614949695-mobil-1-123840-extended-performance-high-mileage-5w-20-gray
store_origin: HR
region: Croatia
---

# Up to 20,000 miles protection Heat resistance up to 500°F Cold start protection to -40°F Mobil 1-123840 Extended Performance High Mileage 5W-20, Gray; 5QT (Pack of 2)

**Brand:** mobil
**Price:** € 188.33
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your high-mileage engine running like new—because every mile counts!

## Quick Answers

- **What is this?** Mobil 1-123840 Extended Performance High Mileage 5W-20, Gray; 5QT (Pack of 2) by mobil
- **How much does it cost?** € 188.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/614949695-mobil-1-123840-extended-performance-high-mileage-5w-20-gray)

## Best For

- mobil enthusiasts

## Why This Product

- Trusted mobil brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Triple Action+ Formula:** Maximize engine power, cleanliness, and protection in one advanced blend.
- • **Long-Lasting Engine Care:** Go up to 20,000 miles between oil changes with confidence.
- • **Extreme Temperature Defense:** Protects your engine from scorching heat and freezing cold starts.
- • **High Mileage Engine Specialist:** Specifically engineered for engines with 75,000+ miles to extend life and reduce wear.
- • **Fuel Economy & Clean Performance:** Meets ILSAC GF-6 standards to improve fuel efficiency and prevent sludge buildup.

## Overview

Mobil 1 Extended Performance High Mileage 5W-20 is a full-synthetic motor oil designed for vehicles with over 75,000 miles. It offers up to 20,000 miles of protection per oil change, utilizing a Triple Action+ Formula that enhances engine performance, cleanliness, and power. This oil provides superior heat protection up to 500°F and cold start protection down to -40°F, while meeting ILSAC GF-6 standards to prevent low-speed pre-ignition and timing chain wear. Trusted by mechanics and the Official Motor Oil of NASCAR®, it’s ideal for modern cars, SUVs, and light trucks seeking extended engine life and improved fuel economy.

## Description

You trust your car to keep you going—even after 75,000 miles. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-20 gives engines with over 75,000 miles the extra care they need to go the distance. Formulated to help prevent leaks, it helps to protect critical engine parts for up to 20,000 miles between oil changes—guaranteed.* Mobil 1 Extended Performance utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. Specialty components in synthetic oil reduce friction, helping to prevent and remove sludge buildup in just one oil change. This technologically advanced formulation provides 20X better** internal engine heat protection than industry standards (up to 500 degrees Fahrenheit) as well as excellent low-temperature protection (to -40 degrees Fahrenheit)—bringing quick cold-weather starting and ultra-fast protection to your engine. Mobil 1 Extended Performance meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy. Mobil 1 Extended Performance full-synthetic motor oil 5W-20 also helps control oxidation to prevent oil breakdown. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s #1 synthetic motor oil brand at retail,*** trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. (*Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. **Based on Seq IIIH vs industry limits. ***Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending September 30, 2023)

Review: Reliable Protection for High Mileage Engines - I’ve been using Mobil 1 Extended Performance High Mileage 5W-20 for my vehicle, and I’m very satisfied with the results. It runs smoothly and feels noticeably more refined after the oil change. I appreciate that it’s designed specifically for higher mileage engines—it helps reduce engine wear and keeps things running efficiently. I’ve also noticed less engine noise and a smoother startup, especially on colder mornings. The 5-quart container is convenient and makes oil changes easy without needing multiple bottles. Overall, this is a trusted, high-quality oil that gives me confidence in my engine’s long-term health. Definitely worth it for anyone wanting reliable protection and performance!
Review: Mobil 1 f.s - Great price no leaks good quality

## Features

- The information below is per-pack only
- Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-20 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
- Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
- Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
- Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
- Helps extend engine life by working to prevent damaging deposits and sludge buildup

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CXPZR5ST |
| Best Sellers Rank | #6 in Automotive ( See Top 100 in Automotive ) #2 in Motor Oils |
| Brand | Mobil |
| Brand Name | Mobil |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,501 Reviews |
| Item Type Name | Full Synthetic Motor Oil |
| Item Weight | 10.07 Pounds |
| Liquid Volume | 5 Quarts |
| Manufacturer | Mobil 1 |
| Manufacturer Part Number | 123840 |
| Manufacturer Warranty Description | Limited Warranty - Please contact manufacturer for full details |
| Model Number | Extended Performance High Mileage |
| Package Information | Bottle |
| Size | 5 Quart (Pack of 2) |
| Unit Count | 320.0 Fluid Ounces |
| Vehicle Service Type | Car |
| Viscosity Level | Low to Medium |

## Product Details

- **Brand:** Mobil
- **Liquid Volume:** 5 Quarts
- **Package Information:** Bottle
- **Vehicle Service Type:** Car
- **Viscosity:** 5w-20

## Images

![Mobil 1-123840 Extended Performance High Mileage 5W-20, Gray; 5QT (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/719JVU7W3CL.jpg)

## Available Options

This product comes in different **Configuration, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable Protection for High Mileage Engines
*by T***D on April 29, 2026*

I’ve been using Mobil 1 Extended Performance High Mileage 5W-20 for my vehicle, and I’m very satisfied with the results. It runs smoothly and feels noticeably more refined after the oil change. I appreciate that it’s designed specifically for higher mileage engines—it helps reduce engine wear and keeps things running efficiently. I’ve also noticed less engine noise and a smoother startup, especially on colder mornings. The 5-quart container is convenient and makes oil changes easy without needing multiple bottles. Overall, this is a trusted, high-quality oil that gives me confidence in my engine’s long-term health. Definitely worth it for anyone wanting reliable protection and performance!

### ⭐⭐⭐⭐⭐ Mobil 1 f.s
*by A***L on April 27, 2026*

Great price no leaks good quality

### ⭐⭐⭐⭐⭐ Great product
*by J***’ on May 24, 2026*

Use Mobile 1 in all my vehicles. Great product, best price.

## Frequently Bought Together

- Mobil 1-123840 Extended Performance High Mileage 5W-20; 5QT, Gray (Pack of 2)
- ACDelco GM Original Equipment PF2232 Engine Oil Filter
- Mobil 1 122260 5W-40 Turbo Diesel Synthetic Motor Oil - 1 Gallon (Pack of 3)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/614949695-mobil-1-123840-extended-performance-high-mileage-5w-20-gray](https://www.desertcart.hr/products/614949695-mobil-1-123840-extended-performance-high-mileage-5w-20-gray)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-23*