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Derek Gruendemann
Derek Gruendemann at Napleton Buick GMC

Derek Gruendemann | Page 2

Sales Manager

Napleton Buick GMC

6305 Northwest Hwy
Crystal Lake, IL 60014

5.0
11 Reviews
5.0

11 Reviews

Write a Review

Dealership Experience

7 mos

Industry Experience

30 yrs, 11 mos

Languages Spoken

English English

11 Reviews of Derek Gruendemann

March 19, 2026

Dealership Rating
Employee Rating

Working with Eric and the team was seamless. A very respectful, courteous group! We are very happy with our new car!!! Thank you Eric! More

by Mckbello20
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Eric Pedersen

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