If your comparing a STOCK DX to a STOCK Si then your retared.

DX doesn't have...
- Power moonroof
- ABS (optional)
- Power Steering
- Power mirrors
- Bigger Brakes
- Stock sway bar
- Rear Disc
- Clock
- RPM Cluster
- Cruise Control

Don't people with CX/DS's swap everything that an si has stock? hrmmm..

Oh yea.. here's KBB for ya

1993 Honda Civic Si Retail Value -Condition: Excellent -Value: $4,085

1993 Honda Civic DX Retail Value -Condition: Excellent -Value $3,350