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£81,730
1990 PORSCHE 911 CARRERA 4 CUSTOM COUPE
United States • 27 Jun 2026 • Lot 756
Vehicle Details
AI Listing Summary
This 1990 Porsche 911 Carrera 4 is a heavily modified example featuring a turbocharged 3.6L M64 engine with Protomotive upgrades and a 5-speed manual transaxle. The car boasts a custom wide-body conversion, upgraded suspension with Silvers Neomax coilovers, and modern interior elements like Sparco seats and a roll bar, making it a unique performance build.
Condition
8
The car has undergone significant modifications and part replacements, indicating it has been well-maintained and upgraded. While the description focuses on performance and custom features, there's no mention of significant cosmetic flaws like dents, scratches, or curb marks, suggesting it's in excellent condition. Some minor reconditioning might be expected given its age and custom nature, but no major issues are highlighted.
/ 10
Transmission:
Manual
Chassis No:
WP0AB2961LS450721
Odometer:
[Odometer Reading]
Reg Number:
SN MG 226
RHD/LHD:
LHD
SummaryPowered by a turbocharged 3.6-liter flat-six engine and five-speed manual transaxle.
Features all-wheel drive, Protomotive Turbosystem, Silvers Neomax adjustable coilovers, disc brakes with ABS and 18-inch Braid wheels.DetailsThis custom 1990 Porsche 911 Carrera 4 was modified by Throtl of San Diego in the early 2020s and is powered by a turbocharged 3.6-liter M64 flat-six engine modified with a Protomotive turbocharger kit and intercooler.
The engine is paired with a five-speed manual transaxle, with power sent to all four wheels through the Carrera 4 drivetrain.
A replacement turbocharger and boost controller were installed in 2025.
Additional engine-related work included dyno-tuning, an ECU upgrade, repair of the knock sensor harness, installation of Bosch Double Fire ignition coils and a distributor block-off plug, replacement of the fuel pump and relay, fuel pressure regulator, fuel injectors, spark plugs and battery, as well as resealing the front crankcase and replaci...
Points of note
£39,850
Lowest Price (Since 2020)
£79,348
Median Price (Since 2020)
£336,123
Highest Price (Since 2020)
World Record
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Top 50%
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Previous Sales
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