Rare Rides: The Sporty and Very Rare 1991 Mitsubishi Debonair, by AMG (Part I)

Corey Lewis
by Corey Lewis

Today’s Rare Ride is the second attempt Mitsubishi made to build its own full-size executive car for the Japanese Domestic Market. Debonair never moved outside its home market, and always played third fiddle to competition from the likes of Toyota Crown and Nissan Gloria (then a Prince model). Today’s example goes slightly further and adds AMG flavor to the front-drive mix.

There’s a lot of information to cover here, and today we talk about the model’s beginnings.

Mitsubishi introduced the Debonair in 1964 as their first executive flagship sedan. The largest car the company had built prior was the compact class Colt 1000, so Debonair was quite a leap forward. Introduced at the 10th All-Japan Motor Show, it was described as a dignified debut.

Designed by German and former GM designer Hans Bretzner, Debonair was inspired by the 1961 Lincoln Continental. It started out with a 2.0-liter inline-six and progressed eventually to a 2.6-liter inline-four used by some K-car variants. And that engine sharing was a hint at the first Debonair’s longevity: It was popular enough to remain a mainstay in Mitsubishi’s lineup, largely unchanged through 1986. Revised only lightly and just four times throughout its run, by the mid-Eighties Mitsubishi realized modernization was in order.

In 1986, the second Debonair debuted, with a swap to front-drive configuration. In its new format, even the shortest Debonair was longer than the outgoing version. Length determined which of three engines powered the Debonair. The 185-inch model had a 2.0-liter V6, while the 191.5-inch had a 3.0 of six cylinders. The range-topping and longest 197.4-inch version were called Royal 150. It had a supercharged 150 horsepower version of that 2.0-liter V6. The 3.0-liter V6 was Mitsubishi’s 6G72, which you’d know from the Dodge Caravan and Dynasty. The only transmission available was a four-speed automatic. Eventually, the supercharged 2.0 V6 was dropped, as in 1989 a twin-cam 3.0 debuted that upped power from 155 horses to 200.

The change to front-drive and the more pedestrian styling started the decline of the Debonair, and before long Mitsubishi needed to spread the development dollars around a bit. Next time we’ll talk badging and market share.

[Images: Mitsubishi]

Corey Lewis
Corey Lewis

Interested in lots of cars and their various historical contexts. Started writing articles for TTAC in late 2016, when my first posts were QOTDs. From there I started a few new series like Rare Rides, Buy/Drive/Burn, Abandoned History, and most recently Rare Rides Icons. Operating from a home base in Cincinnati, Ohio, a relative auto journalist dead zone. Many of my articles are prompted by something I'll see on social media that sparks my interest and causes me to research. Finding articles and information from the early days of the internet and beyond that covers the little details lost to time: trim packages, color and wheel choices, interior fabrics. Beyond those, I'm fascinated by automotive industry experiments, both failures and successes. Lately I've taken an interest in AI, and generating "what if" type images for car models long dead. Reincarnating a modern Toyota Paseo, Lincoln Mark IX, or Isuzu Trooper through a text prompt is fun. Fun to post them on Twitter too, and watch people overreact. To that end, the social media I use most is Twitter, @CoreyLewis86. I also contribute pieces for Forbes Wheels and Forbes Home.

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  • Caraudiology Caraudiology on Apr 08, 2021

    I recall becoming aware of the Debonair AMG prior to. I believed it 'd be some tuned up Japanese sports sedan comparable to the Lancer Evo, Lotus Omega or the Mercedes 190E 2.13-16 however it appears like I was wrong. Useful short article. I like it.

  • Geozinger Geozinger on Apr 08, 2021

    Where does the AMG connection start? Or did you mean to say A GM Designer connection? I was imagining that short-lived fling between MB and Mitsubishi in the late 90's, early 00's possibly had an earlier precursor. This is a bit confusing.

  • Mike-NB2 This is a mostly uninformed vote, but I'll go with the Mazda 3 too.I haven't driven a new Civic, so I can't say anything about it, but two weeks ago I had a 2023 Corolla as a rental. While I can understand why so many people buy these, I was surprised at how bad the CVT is. Many rentals I've driven have a CVT and while I know it has one and can tell, they aren't usually too bad. I'd never own a car with a CVT, but I can live with one as a rental. But the Corolla's CVT was terrible. It was like it screamed "CVT!" the whole time. On the highway with cruise control on, I could feel it adjusting to track the set speed. Passing on the highway (two-lane) was risky. The engine isn't under-powered, but the CVT makes it seem that way.A minor complaint is about the steering. It's waaaay over-assisted. At low speeds, it's like a 70s LTD with one-finger effort. Maybe that's deliberate though, given the Corolla's demographic.
  • Mike-NB2 2019 Ranger - 30,000 miles / 50,000 km. Nothing but oil changes. Original tires are being replaced a week from Wednesday. (Not all that mileage is on the original A/S tires. I put dedicated winter rims/tires on it every winter.)2024 - Golf R - 1700 miles / 2800 km. Not really broken in yet. Nothing but gas in the tank.
  • SaulTigh I've got a 2014 F150 with 87K on the clock and have spent exactly $4,180.77 in maintenance and repairs in that time. That's pretty hard to beat.Hard to say on my 2019 Mercedes, because I prepaid for three years of service (B,A,B) and am getting the last of those at the end of the month. Did just drop $1,700 on new Michelins for it at Tire Rack. Tires for the F150 late last year were under $700, so I'd say the Benz is roughly 2 to 3 times as pricy for anything over the Ford.I have the F150 serviced at a large independent shop, the Benz at the dealership.
  • Bike Rather have a union negotiating my pay rises with inflation at the moment.
  • Bike Poor Redapple won't be sitting down for a while after opening that can of Whiparse
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