Liqui Moly Engine Flush Plus 300ml
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$17
- Mid-range:$17–$44
- Premium:$44+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in flushes
- •Liqui Moly loyalists — the brand spans 58 products in our database
- •You're on a tight budget — $9 above the category average of $43
- •Liqui Moly Pro-Line Engine Flush offers a better rating (4.7/5) at a similar or lower price ($22)
- •Four Seasons 69994 Super Flush Solvent — 58% cheaper at $21 (Score B+)
- •Liqui Moly Pro-Line Engine Flush — higher rated at 4.7/5 ($22)
📊 Based on data analysis of 52 products in this category.
Mubboo Score: B-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other flushes
Computed from live Amazon rating, review count, and price across 52 flushes available to US consumers · last refreshed 2026-06-21.
How It Compares
This Product Liqui Moly Engine Flush Plus 300ml | Most Popular Liqui Moly Pro-Line Engine Flush | Best Rated Four Seasons 69994 Super Flush Solvent | Best Value STAR BRITE Salt Off Remover & Marine Engine Flush Kit | |
|---|---|---|---|---|
| Price | $51.49 | $22 | $21.48 | $22.31 |
| Rating | 4.5/5 | 4.7/5 | 4.7/5 | 4.4/5 |
| Reviews | 697 | 9,681 | 655 | 1,680 |
| Mubboo Score | B- | A | B+ | B+ |
About Liqui Moly
- 58 products in our database
- Average rating: 4.7/5 across all products
- Price range: $8 – $192.32
- Categories: brake-fluids, flushes, Fuel Additives, greases-and-lubricants, Motor Oil, transmission-fluids
If not the Engine Flush Plus 300ml, consider these
Bottom Line
Liqui Moly Engine Flush Plus 300ml earns Mubboo Score B-. Priced at $51 — a premium option, above the category average of $43. Rated 4.5/5 from 697+ reviews. Strong buy if: buyers who prioritize quality over price in flushes, liqui moly loyalists. Skip if: you're on a tight budget — Liqui Moly Pro-Line Engine Flush (Score A, $22) may fit better.
Frequently Asked Questions
Is the Liqui Moly Engine Flush Plus 300ml worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.5/5 rating from 697 reviews — better than 62% of flushes we track.
How much does the Liqui Moly Engine Flush Plus 300ml cost?
It is currently $51.49 — premium-tier pricing for flushes.
How does the Engine Flush Plus 300ml compare to other flushes?
The category's most-reviewed alternative is the Liqui Moly Pro-Line Engine Flush (4.7/5, 9,681 reviews, $22). The Engine Flush Plus 300ml carries a Mubboo Score of B- vs A.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-21) and may change.