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Bloomberg Names Mercedes-Benz 560 SEC and Porsche 928 as Appreciating Investments

I have long believed that the Mercedes-Benz 560 SEC and the Porsche 928 represent two of the best-engineered GT cars of the 1980’s. Stylistically they are unique and immediately recognizable. The pillarless Benz is especially elegant and represents a high water mark for post-war Mercedes design. Both of these cars were ludicrously expensive when new, especially in their final iterations. Today, pedestrian versions are “used cars” that can be bought for under $10,000. However, if you want an investment-grade car you have to pay up and focus on the later year SEC (1990-1991) and the final version of the ultra-rare 928 GTS (1993-1995). Low-mileage well-maintained SEC’s and 928’s are quite rare. Finding one-owner cars with full documentation greatly limits the menu further.

The SEC and 928 were ultra-complex vehicles that required abundant care and feeding. The depreciation curve was not kind to these cars. Eight years after leaving the showroom most of them ended up composting in the hot sun. For the last twenty years, the restoration and maintenance costs were not economic given the paltry valuations of both the SEC and 928. This general trend explains why today we are left with so few pristine 100-point examples of 80’s-tastic German cars like the iconic BMW E24 M6. Most luxury performance GT cars from this era were driven hard and put away wet. Most models became uneconomic to preserve or restore. Even today there would need to be a dramatic increase in valuations to justify restoring even a decent SEC or 928.

I recently came across a surprising article on Bloomberg. They named the Jaguar XJ-S, the Mercedes-Benz 560 SEC, and the Porsche 928 as modern classics that are poised to appreciate. I strongly agree with their conclusions on the SEC and 928—I’m less enthusiastic about the Jaguar. The Turtle Garage collection currently includes an investment-grade 1990 Mercedes-Benz 560 SEC and a very low-mile one-owner 1994 Porsche 928 GTS.

Conclusions from the Bloomberg article:

“The Benz is the true value play here. Although produced over a much shorter period of years, and in smaller quantities than the other two examples, you can pick up a model in decent condition for less than $8,000, and a pristine one goes for around $15,000. Prices are up only 5 percent in the past five years, but this kind of slow growth happened to the earlier models of Benz coupes, too, and they’re now six-figure cars. This is the early adopter of the trinity, the one to get now before it gets noticed. It will get you noticed.”

Full Bloomberg Article by Brett Berk, February 23, 2017: 

Thirty years ago, a person of means could walk into an import car dealership, drop a sum that would double the average annual household income, and drive out with a grand touring coupe—a two-door, four-seater powered by a prodigious, smooth, naturally aspirated engine. These luxurious cars coddled passengers in leather at triple-digit speeds while still making the twists and turns of the road with ease.

American car companies produced their own version of the grand touring vehicle, such as the Cadillac Eldorado and Lincoln Mark VII—as well as “personal luxury coupes,” the Buick Riviera and Chrysler Cordoba. Slightly smaller and less expensive import vehicles such as the BMW 6-Series, Lexus SC400, and the Acura Legend Coupe were also popular among managers, real estate agents, and legal professionals.

But if you are talking about the holy trinity of the 1980s touring car, they are the Jaguar XJ-S, Porsche 928, and Mercedes 560 SEC. These vehicles were built as flagships, the pinnacle of performance and technology. These cars were for wealthy executives, country club members, and people on the board of directors, and they communicated class and sporting elegance loud and clear.

Today, most contemporary carmakers have pulled out of the big GT coupe market, but the 1980s dream of imperious personal luxury survives. “Younger buyers are coming into the market, so we’re seeing more people who remember these vehicles as aspirational from their youth but now have the capacity to purchase them,” says Jonathan Klinger, communications manager for vintage vehicle insurance and valuation company, Hagerty. “And we’ve had such dramatic price increases in cars like Ferraris and Porsche 911s that people were priced out and started looking at other options.”

As values increase, it makes sense to rescue one and revel in it. “If you park any of these next to a modern vehicle, it has a noticeably vintage look to it,” Klinger says. “But at the same time, you’re not limited or inconvenienced by it when you’re on the Interstate. It can move at freeway speeds. The brakes are good. It’s not like driving a Ford Model A where you’re like, Oh crap, is it going to stop? It has the modern conveniences, but it still has that analog experience.”

The three vehicles have all escalated in value in the past five years and are slated to continue to do so in the near future. For now, though, the entire trio can still be had for the price of a new, entry-level BMW.

The Most Luxurious:

As a successor to the legendary E-Type, the Jaguar XJ-S was set up to fail when it made its debut in 1976. But with a silky 12-cylinder engine that could get up to 304hp depending on model year, and a clubby interior that integrated wood, leather, wool, and chrome, it became a massive success. Produced for 20 years, it provided Jaguar with access to its timeless heritage during a tumultuous corporate era. (Ford bought the brand in 1990 and sold it in 2008.)

An XJ-S in decent condition will run you around $10,000, and even a pristine one will barely crest $25,000. But these values are up 25 percent over the past five years, and the car has made multiple lists of up-and-coming classics. As with most collectibles with a long production run, the ones that are increasing in value fastest are the earliest models—for their originality—and the most recent ones, for their sophistication.

The Sporty Option:

The Porsche 928 was supposed to replace the venerable 911, but it didn’t take. Porsche loyalists wouldn’t accept a big, luxurious, front-engined car as a replacement for their small, spartan, rear-engined one. But that doesn’t mean you shouldn’t. While the 911 still looks stuck in its Beetled past, the 928, produced between 1978 and 1995, has an uncanny breadth, angularity, and curvy profile that will always look like the future. And its complex V8 (ranging from 228hp to 345hp, depending on the model year) can really pull. At the end of their run, these were among the fastest and most expensive production cars on the road.

The 928 has finally come into its own. [Full disclosure: I own a 1978 928.] Values are up 70 percent over the past five years, but one in decent condition will still set you back only $25,000. The later cars are far quicker and more luxurious, and those are the ones that have escalated most in value. But they also come encumbered with weight, spoilers, and intakes that mar the visual purity of the original design. The value play is the earlier ’80s models.

The Best of Both Worlds:

Mercedes has been producing elegant S-Class coupes since the mid-’50s. But the more vintage ones have become increasingly unaffordable. Fortunately, time marches on, and the hard angular designs of the Mercedes-Benz 560 SEC, produced from 1985 to 1991, have begun to look downright avant-garde. Few vehicles have the despotic beauty of these 238hp, V8-powered coupes, much less their imposing, tank-like engineering.

The Benz is the true value play here. Although produced over a much shorter period of years, and in smaller quantities than the other two examples, you can pick up a model in decent condition for less than $8,000, and a pristine one goes for around $15,000. Prices are up only 5 percent in the past five years, but this kind of slow growth happened to the earlier models of Benz coupes, too, and they’re now six-figure cars. This is the early adopter of the trinity, the one to get now before it gets noticed. It will get you noticed.

Photos of the Turtle Garage SEC and 928 GTS:

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7 Responses to Bloomberg Names Mercedes-Benz 560 SEC and Porsche 928 as Appreciating Investments

  1. Ms Mazi October 2, 2018 at 4:37 pm #

    I’m the proud owner of 2 of the Trinity the Mercedes 560SEC and the Jaguar XJS V12. I love them both dearly in would never part with them I love the article! Thank you so much for the information I will be coming here often to see what you can come up with next. You may inspire me to go and find the Porsche so that I can complete the Trinity😍

  2. Bevan August 6, 2018 at 8:05 am #

    I’ve just brought mine!

  3. Gary Wilson July 5, 2018 at 9:58 am #

    I have owned and Loved BOTH of these cars and agree with this association. Will go down in History as 2 of the Most beautiful and best Driving Cars of there Time..the cars always stayed in my memories..

  4. Daniel June 24, 2018 at 4:26 pm #

    I never really been a fan of mercedes till i saw, bought then fell in love with my 560sec ive owned alot of different type of cars but none measures up to the benz looks drives and handles better then most later and newer vehicles .. A true euro classic

  5. Philip Richter March 27, 2017 at 8:50 am #

    Evan,
    You are so right! The euro bumper cars are so much sleeker. Also, they have more attractive headlights and headlight wipers. The American safety rules mandated larger bumpers and it really negatively impacted the look of the car. Thank you for being a subscriber to Turtle Garage.
    Philip

    • Candia Fisher August 18, 2018 at 8:28 am #

      I had a gorgeous 560SEC about 15 years ago, and miss it still. Traded it to buy a horse for Matti, but am tempted to buy one again after reading your article. I wonder if the bumpers can be change out for the European version. Great article!

  6. Evan Collins March 7, 2017 at 6:23 pm #

    I am now on my third 560 SEC and completely agree with your assessment of the car and it’s present modest cost. I would only add the only thing better than a late-year, low mileage example is a European version. This the holy grail of the model with much smaller bumpers and more horse power.

    Evan