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£39,258

Original-Owner Modified 1991 GMC Syclone

United States • 15 Jul 2025

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Vehicle Details

AI Listing Summary

This is a modified 1991 GMC Syclone with 11k miles, finished in black over black velour. It features a modified 4.3-liter V6 engine, a four-speed automatic transmission, and several aftermarket upgrades. The Carfax report is clean, but the heater core has been bypassed.

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Condition 

7

The car is modified but has low mileage. The heater core has been bypassed. Overall solid condition with slight wear visible. Requires minor reconditioning.

/ 10

Automatic

Transmission:

1GDCT14Z3M8801835

Chassis No:

Odometer:

11,000 miles

[Reg Number]

Reg Number:

RHD/LHD:

LHD

4.3-Liter V6 Garrett M24 Turbocharger Applied Technologies Intercooler K&N Air-Intake System Aftermarket ECU Chip MSD Ignition Revised Wastegate Four-Speed Automatic Transmission BorgWarner Transfer Case Limited-Slip Rear Differential Black Paint Black Velour Upholstery Turbine-Style 16″ Aluminum Wheels Borla Catback Exhaust System 3" Downpipe Vinyl Tonneau Bed Cover Cruise Control Clean Carfax Report
This 1991 GMC Syclone is one of 2,995 examples produced for the model year, and it was purchased new by the seller.

Showing 11k miles, the truck is powered by a 4.3-liter V6 that has been modified with a Garrett M24 turbocharger, an Applied Technologies intercooler, a K&N air-intake system, an aftermarket ECU chip, MSD ignition, a revised wastegate with a 3″ downpipe, and a Borla catback exhaust system.

Finished in black over black velour, additional details include a four-speed automatic transmission, a BorgWarner transfer case, a limited-slip rear differential, a vinyl tonneau bed co...

Points of note

£13,329

Lowest Price (Since 2020)

£31,885

Median Price (Since 2020)

£102,511

Highest Price (Since 2020)

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World Record

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Top 30%

The sale price places it in the top 30% of sold prices we've ever seen for the GMC Syclone

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Previous Sales

Gallery

MOT Information

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Latest MOT Mileage

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Registration Date

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MOT History

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MOT Mileage Trend

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