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£23,209

Modified 1985 Buick Grand National

United States • 4 Jun 2026

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Vehicle Details

AI Listing Summary

This modified 1985 Buick Grand National boasts a rebuilt turbocharged V6 engine with numerous performance upgrades including a Precision Gen 2 6062 turbocharger and FAST XFI 2.0 ECU. The car features a black exterior, black and sand gray cloth interior, and 15" forged aluminum wheels, with recent engine and transmission refreshment.

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Condition 

7

The car has had minor damage to the right front which was repaired by replacing lights. There is also a potential odometer rollback noted on the Carfax report. Despite these issues, the engine and transmission were recently refreshed, and the car has many performance modifications.

/ 10

Transmission:

Automatic

Chassis No:

1G4GK4791FH422952

Odometer:

59,000 miles

Reg Number:

[Reg Number]

RHD/LHD:

LHD

Turbocharged 4.1-Liter V6 Precision Gen2 6062 Turbocharger Extreme Automatics 4-Speed Transmission Limited-Slip Differential Forged Axles Black Paint Black & Sand Gray Cloth Upholstery 15" Forged Aluminum Wheels Dual-Nozzle Alcohol Injection System Large Front-Mount Intercooler TA Performance Exhaust Headers FAST XFI 2.0 ECU Harlan Sharp Rockers COMP Cams 212 Camshaft Aluminum Radiator Reproduction Window Sticker
This 1985 Buick Grand National is powered by a turbocharged 4.1-liter V6 linked with a Stage III Extreme Automatics four-speed automatic transmission with a transbrake and a rear end with a limited-slip differential and forged axles.

Additional modification include 15″ forged aluminum five-spoke wheels, a Precision Gen 2 6062 turbocharger, a large front-mount intercooler, an aluminum radiator, a COMP Cams 212 camshaft, Harlan Sharp rockers, TA Performance exhaust headers, a dual-nozzle alcohol injection system, and a FAST XFI 2.0 ECU.

The seller acquired the car in 2024 and...

Points of note

£10,558

Lowest Price (Since 2020)

£33,398

Median Price (Since 2020)

£408,047

Highest Price (Since 2020)

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World Record

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Previous Sales

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MOT Information

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Latest MOT Mileage

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MOT History

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MOT Mileage Trend

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