In general, a clean, stock 2006 Honda Civic Si is worth roughly $8,000 to $12,000 today, with well-preserved low-mileage examples potentially higher and high-mileage or modified cars often lower.
As of 2026, the Civic Si's value hinges on mileage, maintenance records, and how closely the car remains to its original, performance-oriented specification. The FG2 Civic Si remains popular with enthusiasts for its rev-happy engine and six-speed manual transmission, which keeps demand relatively stable in the used-car market. This guide outlines current pricing tendencies and practical steps to estimate value accurately.
What factors drive price
These factors are the main levers for price in 2006 Civic Si valuations. Consider them when evaluating a car's worth.
- Mileage and wear
- Overall mechanical condition, including the engine, transmission, and suspension
- Maintenance history and documentation
- Accident history and title status (clean vs branded titles)
- Originality versus modifications (stock is generally preferred by many buyers)
- Vehicle color and exterior condition
- Market region and local demand
- Recalls and safety-related service history
For prospective buyers or sellers, these factors collectively shape whether a car sits near the lower end of the range or commands a premium above it.
How to verify current value
Use these steps and tools to triangulate an accurate market value for your car.
- Check official valuation guides: Kelley Blue Book (KBB) Value, Edmunds True Market Value (TMV), and NADA Guides
- Enter exact trim (Civic Si, coupe or sedan if applicable), model year, mileage, condition, and location to get personalized estimates
- Review local listings for similar 2006 Si examples to gauge asking prices
- Consider regional price variations and seasonal demand shifts
- Factor in recent maintenance or service receipts that may support a higher price
Cross-referencing multiple sources and recent local listings provides a realistic, defensible value for negotiations.
Summary
Value for a 2006 Honda Civic Si today is driven by how stock it is, how many miles it has, and how well it’s been cared for. In general, expect roughly $8,000 to $12,000 for a clean, stock example, with higher prices for unusually low miles or pristine condition, and lower prices for high mileage or heavily modified cars. Use Kelley Blue Book, Edmunds TMV, and NADA as starting points, then compare local listings to set a fair price whether you’re buying or selling.
What are common problems with a 2006 Civic SI?
Top 2006 Honda Civic Problems
- Airbag Light Due to Failed Occupant Position Sensor.
- Bad Engine Mounts May Cause Vibration, Roughness, and Rattle.
- Power Window Switch May Fail.
- Hood Release Cable May Break at Handle.
- Possible Shift Control Solenoid Fault.
- Wipers Won't Park Due to Windshield Wiper Motor Failure.
What makes the 2006 Civic SI special?
To distinguish the 2006 Honda Civic Si from other Civic coupes, it gets a functional rear wing spoiler that cuts drag and reduces lift, a chrome-dipped oval exhaust tip, a red-lettered “Si” badge on the decklid, and a decal just forward of the rear wheel wells that reads “i-VTEC DOHC.” Up front, the 2006 Honda Civic Si ...
How much is a 2006 Civic SI worth now?
Estimated Values
Estimated Trade-In Values for the 2006 Honda Civic Si Coupe 2D range from about $2,550 to $3,475 depending on vehicle condition. Estimated Private Party Values range from about $4,525 to $5,950 depending on vehicle condition. Valid for ZIP Code 29401 through 4/23/2026.
What is the book value of a 2006 Honda Civic?
Estimated Values
Estimated Trade-In Values for the 2006 Honda Civic EX Sedan 4D range from about $2,100 to $2,925 depending on vehicle condition. Estimated Private Party Values range from about $3,000 to $4,050 depending on vehicle condition.