Sea Foam High Mileage Motor Treatment Gas & Oil Additive
HM16, 16 oz, Pack of 4
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in Fuel Additives
- •You're on a tight budget — $28 above the category average of $20
- •STAR BRITE Star Tron Enzyme Fuel Treatment Concentrate offers a better rating (4.8/5) at a similar or lower price ($19)
- •STAR BRITE Star Tron Enzyme Fuel Treatment Concentrate — 60% cheaper at $19 (Score A-)
- •STA-BIL 360 Marine Fuel System Treatment — higher rated at 4.8/5 ($20)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: B
How It Compares
This Product Sea Foam High Mileage Motor Treatment Gas & Oil Additive | Most Popular Chevron 67740-CASE Techron Concentrate Plus Fuel System | Best Rated STAR BRITE Star Tron Enzyme Fuel Treatment Concentrate | Best Value STA-BIL 360 Marine Fuel System Treatment | |
|---|---|---|---|---|
| Price | $47.60 | $39.98 | $19.19 | $19.99 |
| Rating | 4.7/5 | 4.6/5 | 4.8/5 | 4.8/5 |
| Reviews | 2,339 | 16,871 | 9,871 | 8,003 |
| Mubboo Score | B | B+ | A- | A- |
Quick Specs
- Model
- High_Mileage_16_4
- Manufacturer
- Auto-Mark, Inc
- Customer Reviews
- 4.7 out of 5 stars
- Item model number
- SF-HM16-4
- Date First Available
- May 21, 2025
- Manufacturer Part Number
- SF-HM16-4
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.
- Improved engine performance and smoothness
- Effective fuel system cleaning and deposit removal
- Ease of use
- Fuel economy improvement
- Long-term fuel stabilization for storage
- High price and recent price increases
- Packaging issues during shipping
Related Video Reviews
- 📹 The TRUTH About DIESEL ADDITIVES…Scam or Science? — Freedom Worx
- 📹 STOP Buying Diesel Fuel Additives - Here's Why! — The Motor Oil Geek
- 📹 Redline SI-1 vs Techron — Which One Is Actually Worth Your Money? | Fuel System Cleaner Finals — Chris from Beachside Auto Parts
Key Features
- ✦Sea Foam High Mileage works to keep higher mileage cars and trucks on the road longer.
- ✦Add to fuel to clean fuel injectors and carburetor jets.
- ✦Add to crankcase oil to help clean and prevent the common causes of oil burning.
- ✦Lubricate critical upper engine areas.
- ✦Use regularly to reduce long-term engine wear and prevent rough engine performance.
Source: product listing on Amazon.
About Sea Foam
- 9 products in our database
- Average rating: 4.6/5 across all products
- Price range: $20.72 – $97.99
- Categories: Car Wax, Fuel Additives, testers
Other Fuel Additives
Bottom Line
Sea Foam High Mileage Motor Treatment Gas & Oil Additive earns Mubboo Score B. Priced at $48 — a premium option, above the category average of $20. Rated 4.7/5 from 2,339+ reviews. Strong buy if: buyers who prioritize quality over price in fuel additives. Skip if: you're on a tight budget — Chevron 67740-CASE Techron Concentrate Plus Fuel System (Score B+, $40) may fit better.
Frequently Asked Questions
Is the Sea Foam High Mileage Motor Treatment Gas & Oil Additive worth buying in 2026?
It earns a Mubboo Score of B, with a 4.7/5 rating from 2,339 reviews — better than 64% of Fuel Additives we track.
How much does the Sea Foam High Mileage Motor Treatment Gas & Oil Additive cost?
It is currently $47.60 — premium-tier pricing for Fuel Additives.
How does the High Mileage Motor Treatment Gas & Oil Additive compare to other Fuel Additives?
The category's most-reviewed alternative is the Chevron 67740-CASE Techron Concentrate Plus Fuel System (4.6/5, 16,871 reviews, $39.98). The High Mileage Motor Treatment Gas & Oil Additive carries a Mubboo Score of B vs B+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-03) and may change.