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£23,924
K20-Powered 1985 Fiat Bertone X1/9 6-Speed
United States • 11 May 2026
Vehicle Details
AI Listing Summary
This 1985 Fiat Bertone X1/9 features a Honda K20A2 engine swap, a rebuilt six-speed manual transaxle, and a repaint in Rosso Corsa. Upgrades include a Wavetrac limited-slip differential, aftermarket wheels, and interior enhancements, making it a unique and modified classic.
Condition
7
The car has been repainted and has had rust repairs, indicating previous issues. While many components have been overhauled or replaced, the presence of wear on paint, interior or wheels is likely. Some reconditioning was performed as part of the restoration.
/ 10
Transmission:
Manual
Chassis No:
ZBBBS00A1F7155224
Odometer:
868 miles
Reg Number:
[Reg Number]
RHD/LHD:
LHD
on Reset Digital Odometer 2.0-Liter Honda K20A2 Inline-Four Six-Speed Manual Transaxle Wavetrac Limited-Slip Differential Repainted Rosso Corsa Removable Roof Panel Black Cloth & Vinyl Upholstery 13" Starmag Wheels KYB Adjustable Struts w/Coilovers MOMO Steering Wheel Retrofitted Marshall Gauges Aftermarket Reclining Bucket Seats Hondata Programmable ECU Aftermarket Header & 2.5" Exhaust 1986 Purchase Documents
This 1985 Bertone X1/9 was acquired by the seller in 2020 and subsequently fitted with a modified 2.0-liter Honda K20A2 inline-four and a rebuilt six-speed manual transaxle using a kit from Midwest Bayless as part of a build completed in 2023.
Additional highlights of the project included a repaint in Rosso Corsa, an interior refresh, and installation of a Wavetrac limited-slip differential as well as overhauls of the suspension, steering, and braking systems.
The engine is managed by a Hondata ECU and is said to be fitted with Skunk2 camshafts and Nippon Racing high-compress...
Points of note
£890
Lowest Price (Since 2020)
£7,000
Median Price (Since 2020)
£32,271
Highest Price (Since 2020)
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Previous Sales
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