£31,359
Modified 1991 GMC Syclone
Bring A Trailer • US • 18 Aug 2026
Market Position:
Mid-Market
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£31,359
Modified 1991 GMC Syclone
US • 18 Aug 2026
Vehicle Details
AI Listing Summary
This 1991 GMC Syclone is a modified, all-wheel-drive pickup with a powerful turbocharged V6 and upgraded transmission. It has undergone refurbishment after a past accident and features numerous performance enhancements, though some cosmetic flaws and non-CARB compliant components are noted.
Condition
6
The listing states the car was refurbished in the 1990s following an accident and has had significant modifications and parts replaced. There are noted paint and body blemishes, blemishes on wheel center caps, and scuffs on the passenger door panel. The fuel gauge is inaccurate and the transmission temperature gauge is not connected. Catalytic converters are removed and some components may not be CARB compliant. These issues indicate it falls into the 'Good' category, requiring some reconditioning.
/ 10
77,000 miles
1GDCT14ZXM8801654
1991
Auction
Automatic
LHD
United States
£31,359
Modified 1991 GMC Syclone
Bring A Trailer • US • 18 Aug 2026
Market Position:
Mid-Market
Track live values and receive listing alerts
Description
Turbocharged 4.3-Liter V6 4L80E 4-Speed Automatic Transmission Repainted in Black Black Velour Upholstery Limited-Slip Differential All-Wheel Drive 16" Alloy Wheels Fog Lights Vinyl Tonneau Bed Cover Aftermarket Gauges Air Conditioning Delco Cassette Stereo Precision Turbocharger 3" Stainless-Steel Down-Pipe Catalytic Converter Delete This 1991 GMC Syclone is one of 2,995 examples produced for the model year, and it was refurbished in the 1990s following an accident that occurred under previous ownership.
The truck was acquired by the selling dealer , and subsequent work is said to have included installing a new 4L80E transmission with an MSD controller as well as giving the 4.3-liter V6 a Precision Gen2 turbocharger, a Typhoon E85 tuning chip, replacement injectors, an aluminum radiator, and more as described below.
Finished in black over black velour upholstery, the truck has a limited-slip differential, new rear axles, a 3″ stainless-steel down-pipe, an MSD pro-billet distributor...
Price Analysis vs Other Syclones
£13,329
Lowest Price (Since 2020)
£32,060
Median Price (Since 2020)
£102,511
Highest Price (Since 2020)
World Record
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Mid-Market
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Average Price
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Rare Sale
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Previous Syclone Sales
MOT Information
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MOT Mileage Trend
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