8 classic cars that are a nightmare to restore

Hobbies can be expensive, and car restoration can be one of the worst in this regard and turn into an absolute financial pit. Transforming finding a rusty ’70s barn into your dream car can be a satisfying journey, from stripping it to the bare bones to fixing the mechanical, electrical, body, and upholstery and reassembling it all. The amount of effort and money required depends on the condition and model of the vehicle. Some cars are great fun for drivers, but they are more difficult to work on than others.



It is not just a matter of cost, given factors such as the time taken to restore and the risk of damaging the vehicle, in particular classic cars, can make the task of restoring more difficult. With that in mind, you can do some auto restoration yourself in your garage, while others are more difficult and require you to leave the job to the professionals. You might be excited to pay to find that sick classic supercar barn, but it’s a good idea to do enough research to find out how you’ll approach its transformation back to life. While restoring some cars is easy, there are some classic cars that are a nightmare to fix.

8 Porsche 928

The Porsche 928 was about ten times more expensive than the contemporary compact car at its launch. It was a great car with developments like the all-aluminum V8 engine and negative rear-wheel steering. But it was expensive, costing more than a 911 at the time. However, the cars haven’t retained their value, and you can find dilapidated units for as low as $5,000, but they’re probably on their careless fifth owner, making the restoration job a nightmare.

Also, Porsche 928 parts come at scary prices. For example, a set of scales costs $600 on eBay. You will have to dig deeper with the most important mechanical and electrical parts of your machine, which will cost thousands of dollars to get the 928 in good condition.

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7 Mercedes-Benz 600

Built between 1963 and 1981, the Mercedes-Benz 600 was easily one of the most over-built and most engineered cars ever built, which also means it’s among the toughest to work on. The engineers had a simple task; To build the best car in the world for powerful statesmen and rich people. The sole objective was to provide first-class comfort, without concern for maintenance costs or ease. When everything in the car was in good working order, no other car was so smooth or quiet.

But with no electronics, the Mercedes-Benz 600 used complex hydraulic pressure systems to control everything from windows to power locks, sunroofs and automatically opening doors. Also, the suspension used an adjustable but intricate air-cushioned design. You will need luck, skills, and a lot of money to restore it to good condition.

6 1971 Chevrolet Corvette LS6

The Corvette LS6 is a rare and valuable classic car that delivers exceptional performance. It was designed by the “father of Corvette” Zora Arkus-Duntov and comes with many unique and high-quality parts such as the 425-horsepower big block V8 engine, making the LS6 among the most powerful cars built in 1971. With only 188 units made, The 1971 LS6 is a collector’s item, and one in good condition can run up to $200,000.

However, restoring a 1971 Chevrolet Corvette LS6 to its original condition can be a nightmare, especially when it comes to finding parts, thanks to its rare stature.

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5 Aston Martin Lagonda

The head of the Automotive Repairmen’s Guild, David Grainger, considered the Aston Martin Lagonda to be the worst car to be restored. That says a lot, because this is a man who lived and breathed restoring classic and antique cars. The Lagonda was impressive when it debuted in 1976, featuring low-profile four-door sedan styling and cutting-edge tech with plenty of exotic electronics. But this was also the reason for its decline.

Too many experimental features on the car are a nightmare to deal with, and solving one problem in Lagonda causes a domino effect which leads to even more problems. Resurrecting the person will cost you a lot of man hours.

4 Toyota MR2

Toyota MR2 has a lot of pluses. It was a reliable car and a surprisingly good daily driver with a medium engine. A turbocharger and a lightweight package made it super fast. Even today, it remains a good product of Japanese engineering if you can find a well-maintained copy in good condition. However, it is not easy to return it to its former glory if it has been shattered or neglected.

Exorbitant bills are expected when the MR2 is restored, which is a surprising departure from Toyota as a brand because their cars aren’t the most expensive to repair and maintain. There is little space to work on anything. The engine is an average ship, and then there’s the “hose from hell” waterline used to cool the turbocharger, which is awkwardly laid out and requires special tools and a lot of patience to replace.

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3 Nissan 300ZX

Launched in 1989, the Z32 300ZX was more of a high-performance touring than a light, agile sports car like the original Z cars. Regardless, it remains one of the finest JDM vehicles ever built, delivering fun, speed, reliability and an absolute pleasure to drive. However, restoring one is not as fun as driving.

Nissan 300ZX mid-engined, has twin turbos, no room in the engine compartment, and although the restored examples are masterpieces, it’s expensive to bring back to life; According to Jalopnik, it costs $11,530 to restore a 300ZX that was purchased for a third of that amount.

2 Pontiac Trans-Am SD-455

By the early 1970s, the muscle car seemed to have run its course, with rising insurance rates and federal regulations looming. As the high-performance label becomes politically incorrect, it’s time for the pony car to die. Pontiac seems to have saved the best for last as it unleashed the Super Duty 455 version of the standard Trans Am, against all odds.

It featured a unique model with reinforced cylinder blocks and an iron nodal crankshaft, and its reception was remarkable. However, the rarity of having only 232 examples and the parts that have not been produced for many years makes it difficult to obtain parts for a restoration job.

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1 1970 Plymouth Superbird

The 1970 Plymouth Superbird was the ultimate winged warrior and the dream car for many classic MOPAR fans. It used to be a low-budget muscle car based on the Road Runner, but today it is expensive, thanks to its rarity; The legendary Superbird led by NASCAR legend Richard Petty has received a bid of $3.5 million. Also restoring the car to its original specifications or returning it to a decent condition is a nightmare.

Acquiring a Superbird for a restoration project, even finding a dilapidated barn, would be very expensive, and finding the right parts is an impossible task. You better look forward to getting one in good condition and pay the highest price.

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