Image Source: Mecum
BUICK GNX
Lowest Price: £35,068 • Median Price: £147,313 • Highest Price: £216,265 • Sell-Through Rate: 75%
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THE HEADLINES
See the headline analysis for this model
LOWEST PRICE:
£35,068
SINCE 2020
TOTAL SALES VALUE:
£8,745,382
MEDIAN PRICE:
£147,313
SINCE 2020
NUMBER OF SOLD CARS:
82
HIGHEST PRICE:
£216,265
SINCE 2020
SELL THROUGH RATE:
75%
THE PRICE TREND
See how the price for this model has varied since records began
ALL TIME AVERAGE:
£79,503
AVERAGE SINCE 2016:
£89,915
AVERAGE SINCE 2020:
£106,146
A dot is a sale. The blue line is the trend line. The sliders adjust the axis
HOW MANY REMAIN
See how many Buick GNX remain on UK roads
CARS
LICENSED
0
CARS
SORN
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THE VEHICLES
See recent matching sales to your search
Bring A Trailer
Not Sold
21st Oct 2025
1987 Buick GNX
RM Sotheby's
£118,698
16th Aug 2025
1987 Buick GNX
Bring A Trailer
£178,362
12th May 2025
1987 Buick GNX
RM Sotheby's
£114,268
9th Oct 2025
1987 Buick GNX
Bring A Trailer
£198,712
15th Aug 2025
1987 Buick GNX
Bring A Trailer
£85,562
30th Jan 2025
1987 Buick GNX
Bring A Trailer
£186,597
29th Sep 2025
1987 Buick GNX
SBX Cars
£162,944
7th Aug 2025
1987 Buick GNX - #183 with 2,900 original mi
Bring A Trailer
£108,330
23rd Oct 2024
1987 Buick GNX
Bring A Trailer
Not Sold
12th Sep 2025
1987 Buick GNX
Bring A Trailer
£158,591
7th Aug 2025
1987 Buick GNX
Mecum
£112,255
7th Sep 2024
1987 Buick GNX
THE FAQs
The frequently asked questions about this model
Tell Me More
The Buick GNX, produced in 1987, was a high-performance version of the Buick Grand National.
It was developed in partnership with McLaren Performance Technologies/ASC.
Only 547 GNXs were made.
There was no direct successor.
A Little-Known Fact:
The GNX's torque rating was understated at 360 lb-ft. Buick engineers did this to protect the Corvette's image.
How much is a Buick GNX worth?
In average condition, a Buick GNX is worth £147,313.
What is the most expensive Buick GNX to sell in history publicly?
The most expensive Buick GNX to sell in history was sold for £216,265.
What is the cheapest Buick GNX to sell in history publicly?
The cheapest Buick GNX to sell in history was sold for £13,039.
When was the Buick GNX produced?
The Buick GNX was produced between 1987 and 2004.