Modified Geo Metro With V8 Engine Hits Auction
This custom-built compact car features a mid-mounted 303-horsepower engine and significant structural modifications.
Updated on Oct. 27, 2026 in Car Culture
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A heavily modified Geo Metro featuring a mid-mounted 5.3-liter LS4 V8 engine is currently listed for sale on the auction platform Cars & Bids. The project vehicle, which is registered in Illinois, has undergone significant structural reinforcements to house its massive powertrain.
Why it matters
This custom build illustrates the extreme lengths enthusiasts go to when performing engine swaps on compact vehicles, transforming a car originally designed for economy into a high-performance machine. The modification changes the car from its factory efficiency to a powerful sports configuration.
The vehicle produces 303 horsepower and 323 pound-feet of torque compared to the original 55 horsepower. The car is currently registered in Illinois and features parts from a Cadillac DeVille.
The players
Cars & Bids
An online auction platform specializing in modern enthusiast cars and unique automotive builds.
The details
To accommodate the 5.3-liter engine, the builder cut, widened, and reinforced the vehicle body and subframe to fit the new drivetrain in the center. Because the engine could not fit in the original bay, it was moved to the rear, with the radiator repositioned behind the rear bumper for cooling. The front engine bay now houses a racing fuel cell to complete the custom setup.
Timeline
October 27, 2026: The vehicle listing appeared on the Cars & Bids platform.
The Home Front
This modification sits within the custom car scene where enthusiasts transplant the LS4 V8 engine into non-traditional chassis. It represents an extreme departure from the vehicle's original economy-focused manufacturing intent.
Prospective buyers should review the structural modifications documented in the listing to ensure the vehicle meets their safety and maintenance standards. Because this involves a custom drivetrain and widened chassis, owners should be prepared for specialized servicing beyond standard shops.
The takeaway
Custom builds of this magnitude require significant structural engineering to maintain balance and cooling with a mid-mounted engine. Enthusiasts should carefully evaluate the chassis reinforcements when bidding on such complex automotive projects.
Further reading
Learn more about unique automotive projects in the Car Culture section.
Source note: This article includes information reported by Jalopnik.
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