Mitsubishi launched the Diamante in the US for the 1992 model year as its flagship executive sedan. Competing with the Acura Legend and Lexus ES 300, it offered advanced features for its time, including a DOHC 3.0L V6, optional all-wheel drive, and active electronic suspension. The first generation, which shared its platform with the 3000GT, ran until 1995. A softer, front-wheel-drive-only second generation was sold from 1997 through 2004.
The Diamante appeals to collectors of obscure '90s Japanese cars. It offers a comfortable ride and a lot of features for a very low price of entry. With only 8 sales tracked and an average price under $5,000, the market is small and squarely in the budget enthusiast category. Well-preserved, low-mileage examples are rare but command the highest prices, especially the first-generation AWD models.
Buying Tips
- The automatic transmissions can be a weak point, so confirm smooth shifting and clean fluid.
- The 6G72 V6 is an interference engine; ensure there's documentation for a recent timing belt and water pump service.
- Test all electronics thoroughly. The digital climate control, power accessories, and active suspension systems can be complex and difficult to repair.
- Inspect carefully for rust, especially on the rocker panels, rear wheel arches, and subframes.
- Parts for the first-generation AWD system are extremely scarce, so check for any leaks or unusual noises from the transfer case and center differential.
Prices for sold examples have ranged from $2,995 to $7,905.
36 Mitsubishi Diamante vehicles have been tracked across auctions and listings on Hypercars, with 17 currently live.
Data sourced from Bring a Trailer, Cars & Bids, eBay Motors, PCarMarket, and Collecting Cars. Updated daily.
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