1970 BUICK OPEL GT

1970 Opel GT Coupe – Custom Build | Supercharged 2.0L | T5 Manual | Project / AS-IS

This 1970 Opel GT Coupe is a high-end custom build offered as an unfinished project, represented honestly and conservatively. The car features extensive fabrication and drivetrain upgrades but has not been fired or driven, and final assembly and sorting remain.

The build incorporates a supercharged 2.0L engine, paired with a T5 manual transmission and a 2007 Mustang rear axle with 3.73 limited-slip differential, creating a unique modern-performance setup in a classic European coupe chassis.

Engine, Transmission & Drivetrain

• 2.0L engine with supercharger (reported)

• T5 manual transmission

• 2007 Mustang rear axle

• 3.73 Posi / limited-slip differential

• Rear-wheel drive configuration

⚠️ Important:

• Vehicle has NOT been fired or driven

• Wiring needs to be completed

• Fluids need to be added

• Startup, tuning, and final sorting remain

• Sold AS-IS with no mechanical guarantees

Awards & Recognition (Build-Level)

• 1st in Class winner (reported)

• Received an award from ISCA for embodying their vision

• Nominated for the ISCA Master Builders Award

  • One of 3 vehicles selected from 800+ entries (reported)

(Awards reflect build quality and vision, not current running condition.)

Body & Configuration

• 1970 Opel GT coupe

• Highly customized drivetrain and chassis

• Exterior and interior details available upon request

• Not represented as original, stock, or restored

Condition Summary

• Non-running project

• Build largely complete but unfinished

• Requires wiring completion, fluids, startup, and tuning

• Suitable for an experienced builder or enthusiast

• Not represented as drivable, sorted, or turnkey

Highlights

• 1970 Opel GT

• Rare custom build

• Supercharged drivetrain

• T5 manual transmission

• Mustang rear axle with posi

• ISCA award-winning build concept

• AS-IS project opportunity

This Opel GT is being offered as an AS-IS custom project, with non-running status and remaining work clearly disclosed. It is not represented as operational, road-ready, or mechanically guaranteed. Buyers are encouraged to request additional photos, details, and perform their own inspection prior to purchase.

Purchase & Shipping Disclaimer

Purchase & Shipping
This vehicle is not currently owned by Butter Classics LLC but will be purchased by us upon buyer commitment. Butter Classics serves as a licensed dealer facilitating the purchase from a third-party seller.

We take possession of the title and handle all funds to ensure a secure transaction. Pricing listed reflects our retail sale price and may include sourcing, inspection, transportation, and processing fees.

Vehicle is not located in Boise, Idaho.
Shipping available to the lower 48 states for a flat rate of $850.
Dealer documentation fee of $595 applies.

All vehicle details, including photos, awards, and descriptions, are based on third-party information and believed to be accurate but not guaranteed. Buyers are encouraged to conduct their own due diligence prior to purchase.