United States Valuation · Updated Oct 2026
Buick GS Stage 1 Valuation
The current market value of a Buick GS Stage 1 in the United States is US$82,750, based on 5 verified auction sales in the last 12 months. That’s a -24.8% move year-on-year.
Lowest price
US$23,250
Since 2020
Median price
US$86,350
Since 2020 · n=26
Highest price
US$154,000
Since 2020
Sold cars
26
All time
Sell-through
100%
Of 26 lots
Marque Index · United States median
US$82,750
-24.8% year-on-year
Sales 12mo
5
Active listings
1
Lowest sale
US$23,250
Highest sale
US$154,000
Value YOUR GS Stage 1
The headline number is the market median. Yours is different. Add your mileage, transmission, and condition — we’ll cross-reference live listings and recent sales for a honest range tailored to your car.
- Real comparables — every valuation is sourced
- Reasoning paragraph + driver bullets
- No sign-up to see the result
Value by year
Model years with enough verified sales for their own valuation page.
Recent GS Stage 1 sales
8 most recent · United States
- Source
US$31,250
1970 Buick GS 455 Coupe
8 Oct 2026 · bring-a-trailer
- Source
US$68,200
1970 Buick GS Convertible
26 Sept 2026 · mecum
- Source
US$23,250
1970 Buick GS 455 Convertible
11 Sept 2026 · bring-a-trailer
- Source
US$61,500
1972 Buick GS 455 Stage 1 Coupe
31 Aug 2026 · bring-a-trailer
- Source
US$46,200
1969 Buick GS 400 Convertible
25 Jul 2026 · mecum
- Source
US$90,200
1970 Buick GSX Stage 1
16 May 2026 · mecum
- Source
US$143,000
1970 Buick GS Convertible
16 May 2026 · mecum
- Source
US$77,000
1970 Buick GS Stage 1
16 May 2026 · mecum
Other Buick valuations
Adjacent models and generations in our index.
Track GS Stage 1 prices over time.
The Marque Monthly. One email, first of the month. Top movers + biggest auction results. Free.
Indicative only — not investment advice. Past performance is not a reliable indicator of future value.