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6.6
Lisle
Lisle Compression Tester
The Lisle 20250 Compression Tester offers durability and accurate readings at a competitive price, making it a reliable tool for most automotive applications. Although the pressure release valve can be stiff, its overall quality and functionality make it a worthwhile purchase for mechanics and DIY enthusiasts alike.
Model: 20250UPC: 83045202509
Lowest at Amazon
$34.15 at AmazonLowest at any Popular Retailer
$34.15 at AmazonWhere to Buy
Prices last updated: April 20th 2026 9:38 am
Product Score
Based on professional reviews and customer feedback
6.6/10
Overall
6.6
Consumer
Why this score?
The Lisle 20250 Compression Tester receives a low score primarily due to concerns over accuracy and build quality. While some users report it performs well and offers good value, many others highlight issues such as receiving defective or used items, and significant discrepancies in pressure readings. Given its budget-friendly price, it may suffice for occasional use but is not recommended for reliability in critical testing.
8+ Excellent6-8 Good4-6 Average<4 Poor
Score
The Lisle 20250 Compression Tester receives a low score primarily due to concerns over accuracy and build quality. While some users report it performs well and offers good value, many others highlight issues such as receiving defective or used items, and significant discrepancies in pressure readings. Given its budget-friendly price, it may suffice for occasional use but is not recommended for reliability in critical testing.
6.6/10
Overall
Pros
- •Durable construction
- •Accurate readings
- •Comes with multiple adapters
- •Compatible with most automotive applications
- •Competitive price
Cons
- •Pressure release valve can be stiff
Bottom Line
The Lisle 20250 Compression Tester offers durability and accurate readings at a competitive price, making it a reliable tool for most automotive applications. Although the pressure release valve can be stiff, its overall quality and functionality make it a worthwhile purchase for mechanics and DIY enthusiasts alike.
What Reviewers Are Saying
Praised
durable construction4%
easy to read9%
good value for the money9%
consistency of readings4%
quality tool4%
Criticized
questionable accuracy4%
cheaply made9%
pressure release valve can be stiff4%
cheap quality gauge4%
adapter comes off4%
Customer Ratings
4.4432 reviews
5
74%
4
13%
3
4%
2
3%
1
7%
Based on 432 reviews from Amazon
Professional Reviews
Common Questions
The Lisle 20250 Compression Tester is a favorite among DIYers and pros alike for checking engine health. Our research shows it's designed to accurately measure compression in gasoline engines, handlin...
Read full answer📚More About Lisle Compression Tester
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TLDR Review: Lisle Compression Tester
The Lisle 20250 Compression Tester receives a low score primarily due to concerns over accuracy and build quality. While some users report it performs well and offers good value, many others highlight issues such as receiving defective or used items, and significant discrepancies in pressure readings. Given its budget-friendly price, it may suffice for occasional use but is not recommended for reliability in critical testing.
TLDR Review·1 years ago
6.6
Overall
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Discussion
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