United Kingdom Valuation · Updated Jul 2026
Buick GNX Valuation
No confirmed sales of the Buick GNX in the United Kingdom in the last 12 months — but our AI valuator can still produce an honest estimate from live market data and pattern comparables. Try it below.
Lowest price
£29,120
Since 2020
Median price
£29,120
Since 2020 · n=1
Highest price
£29,120
Since 2020
Sold cars
1
All time
Sell-through
100%
Of 1 lots
Value YOUR GNX
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 GNX sales
1 most recent · United Kingdom
- Source
€29,120
1986 Buick GNX – Reverse Car Chassis no. 1G4AK4795EH466036
28 Nov 2025 · bonhams
Other Buick valuations
Adjacent models and generations in our index.
Track GNX prices over time.
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Indicative only — not investment advice. Past performance is not a reliable indicator of future value.