Dealer Group
Simpson Automotive Group
2 locations across California
Simpson Automotive Group operates 2 franchised locations across 1 state. This page rolls up 1 verified out-the-door quotes from 1 of its location, rated on fee transparency, add-on behavior, and listing-to-final-price accuracy.
1 verified quote · Data since 2026
BuickCadillacChevroletGMC
A100 / 100
Score Breakdown
Fee Transparency (30%)100/100
Add-on Behavior (30%)100/100
Price Accuracy (30%)100/100
Data Quality (10%)100/100
Grade Distribution
Across 1 rated location
A
1
B
0
C
0
D
0
F
0
100% of location earned a B or better. No location received an F.
Key Insights
Transparency Score
Scores 100/100, 9.9 points above the national average of 90.1/100.
Add-on Frequency
0% of transactions include an add-on, 22% less often than the national average of 22%.
Listing-to-OTD Gap
Prices run 2.5% above listing on average, better than the national average of 370.0%.
Top performers in this group
All locations
Showing 2 of 2
| Dealer | Location | Grade | Score | Quotes | Brand | Doc Fee | Add-on Rate |
|---|---|---|---|---|---|---|---|
| Simpson Automotive Group | Irvine, CA | A | 100 | 1 | — | $85 | 0% |
| Simpson Buick GMC Of Buena Park | Buena Park, CA | Not yetrated | — | — | — | — | — |
Group locations
2 locations across California