Marque
Search a car…
United Kingdom market

Buick GNX

1987–1987

Add to Garage
  • 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

Buick GNX

Based on 1 verified auction result

HOLDAppreciatingmedium confidence

£106,716

Market value · recent verified sales

+24.9%

12-month change

Hold or Wait

Appreciating but pace slowing. Patient buyers may find better entry.

Median sold price up 24.9% over the last 12 months. Hold if owned; chasing the trend at peak carries risk.

MSRP

Collectibility

9/10

Holy Grail

3-Year Forecast

£212,463

+99%

5-Year Forecast

£268,471

+152%

Estimates pool 7 verified sales across United States, United Kingdom — cross-market prices FX-adjusted at Jul 2026 rates.

Market scores

38

Desirability

Illiquid

10

Liquidity

Excellent

85

Resale Outlook

Marque analyst note

The Buick GNX is trading around £106,716 in the UK market, up nearly 25 percent over the past twelve months. This strong appreciation sits comfortably within the car's longer-term trajectory, though the single transaction tracked over that period warrants caution when reading short-term momentum.

The GNX occupies Holy Grail status among American muscle collectibles, supported by its extreme scarcity: only 547 were built during its 1987 production run. That rarity has sustained consistent demand among a focused buyer base, though the UK market remains thinly traded. The absence of active listings and illiquid trading conditions mean buyers or sellers should expect extended holding periods and negotiation flexibility.

Current UK asking levels reflect the car's documented appreciation arc, with comparable sales data extremely limited. The "Hold or Wait" signal reflects medium confidence given the small sample size, though the trajectory itself remains intact. Mileage data on transacted examples is not available, though condition typically matters as much as provenance for vehicles in this tier.

Base projections suggest the GNX could reach £212,500 within three years and £268,500 within five years, implying near-doubling and near-tripling respectively from current levels. These forecasts rest on sustained collector appetite for pre-1990s American performance icons and the model's unchanged production record. Any shift in demand for 1980s domestic muscle or emerging competition from restoration-grade examples could moderate that path.

Depreciation Benchmark

  • Current avg value£106,716
  • Annual appr. rate+24.9%/yr
  • Segment average+3.0 to +9.5%/yr
This model holds value better than its segment average — strong long-term hold.

Vehicle History Signals

  • Auction lots tracked7
  • Damage or salvage declared0 (0.0%)
  • No damage declared7 (100.0%)
No damage or salvage declarations found in the titles and descriptions of the auction lots we track for this model. That's a good sign, not a guarantee — always commission a professional inspection and history check before buying.

Est. Annual Ownership Costs

  • Insurance (agreed value)£850
  • Maintenance£2,400
  • Storage£2,400
  • Depreciation— (appreciating)
  • Total annual cost£5,650
This car has historically appreciated — carrying cost is offset by value growth, not eroded by depreciation.

Market Liquidity

  • Active Listings0
  • Sales Last 12 Months1
  • Sell-Through100%

Market Snapshot

  • Active Listings0
  • Avg Sale Price£29,120
  • Avg Mileage at Sale
  • Recent Price Range£29,120 – £29,120
  • Total Sales Tracked1

Recent sales

  • €29,120

    bonhams · 28 Nov 2025

Indicative only — not investment advice. Past performance is not a reliable indicator of future value.