Dealer Group
Brotherton Automotive
4 locations across Washington
Brotherton Automotive operates 4 franchised locations across 1 state. This page rolls up 11 verified out-the-door quotes from 2 of its locations, rated on fee transparency, add-on behavior, and listing-to-final-price accuracy.
11 verified quotes · Data since 2025
BuickCadillacGMC
B82 / 100
Score Breakdown
Fee Transparency (30%)100/100
Add-on Behavior (30%)46.4/100
Price Accuracy (30%)100/100
Data Quality (10%)100/100
Grade Distribution
Across 2 rated locations
A
0
B
1
C
1
D
0
F
0
50% of locations earned a B or better. No location received an F.
Key Insights
Transparency Score
Scores 82/100, 4.3 points below the national average of 86.3/100.
Add-on Frequency
85% of transactions include an add-on, 67% more often than the national average of 18%.
Listing-to-OTD Gap
Prices run -0.9% above listing on average, better than the national average of 99.8%.
Top performers in this group
All locations
Showing 4 of 4
| Dealer | Location | Grade | Score | Quotes | Brand | Doc Fee | Add-on Rate |
|---|---|---|---|---|---|---|---|
| Brotherton Cadillac Nw | Shoreline, WA | B | 84 | 10 | Cadillac | $205 | 70% |
| Brotherton Buick GMC | Renton, WA | C | 79 | 1 | Buick | $200 | 100% |
| Brotherton Automotive | Renton, WA | Not yetrated | — | — | — | — | — |
| Brotherton Cadillac | Renton, WA | Not yetrated | — | — | — | — | — |
Group locations
4 locations across Washington