The automobile world is always changing, and as a result of this, we sadly see the end of many car manufacturers. General Motors ended up losing two of their brands, Pontiac and Oldsmobile, during last the decade, and it definitely took a hit on the corporation. There's absolutely no question that these car manufacturers did have a lot of success with many of their vehicles and deserve a plethora of respect for the contributions they gave us. However, it's essential to note that criticism is definitely warranted for many of their later models because they simply weren't structurally sound and/or didn't appeal to buyers whatsoever. They also had some older models that'd hurt them immensely as well.

With all that's been stated thus far, in this article, we'll be looking at ten cars that sunk both Pontiac and Oldsmobile. It's essential to note that although many of these vehicles were released during the final years of the existence of these car manufacturers, older vehicles will be discussed as well because many were the beginning of the end. At the end of the day, these two car manufacturers simply could no longer keep up with the immense competition of the automobile world. They definitely left a significant impact during their best years, but there's no question that they completely fell behind the rest of the pack. At this point in time, all we can do is observe their cars from afar.

Nonetheless, let’s look at the ten cars that sunk Pontiac and the ten that sunk Oldsmobile!

20 2006 Pontiac G6

The 2006 Pontiac G6 may have a very nice look to it, but when observing how it ran, it's clear that it ended up being pretty disappointing. When it was first released to the primary market, there was an abundance of individuals who were ecstatic to purchase one of these.

However, it'd become quite apparent from the start that this vehicle simply was far too weak when it came to its overall structure. According to jalopnik.com, it was known for having a very disastrous interior. Furthermore, its engine always needed repairs.

19 1986 Oldsmobile Toronado

The 1986 Oldsmobile Toronado is another vehicle that ended up receiving a plethora of attention when it was first released. This was because of the fact that at first glance, this model seemed to be a very safe and reliable car. However, this ended up not being the truth.

This vehicle simply was one that wasn't able to handle the slightest amount of damage, and that can be blamed on how weak it was.

According to carcomplaints.com, this vehicle was prone to having a lot of major issues with its transmission and brakes, so repairs were always needed.

18 2005 Pontiac Bonneville

The 2005 Pontiac Bonneville definitely seemed to have a lot going for it because of the fact that this one from one of the most popular series from the car manufacturer. However, the company soon found out that people were simply not interested in purchasing one of these vehicles.

According to jalopnik.com, the primary reason as to why people were against buying these vehicles was because the car manufacturer made them far too expensive. At the end of the day, the lack of sales for this once-popular series ended up leaving a significant impact—a negative one—on the manufacturer.

17 2001 Oldsmobile Alero

The 2001 Oldsmobile Alero ended up facing an immense amount of criticism from the very start of its life cycle. This is largely because of the fact that this vehicle had a plethora of major issues from the very start, and its buyers became very disappointed with its overall dependability.

At the end of the day, there's no question that this vehicle could've been something special, but it simply needed more work on it during its developmental stage.

According to carcomplaints.com, this vehicle was prone to having an abundance of engine and electrical problems, and it caused a massive hit on the company.

16 1988 Pontiac Fiero

There's absolutely no question that the 1988 Pontiac Fiero had a very nice and unique look to it. This ultimately made it a smash hit during the beginning stages of its time on the primary market. However, this soon changed entirely when massive problems kept presenting themselves.

This vehicle is the prime example of why one shouldn't purchase a vehicle simply based on its appearance. According to jalopnik.com, this vehicle was prone to having an immense amount of problems with its engine. At the end of the day, this could've been a special vehicle but now is ranked as the 58th worst car of all time, according to Edmunds.com.

15 1993 Oldsmobile Cutlass Ciera

The 1993 Oldsmobile Cutlass Ciera is a vehicle that definitely had the potential to leave a significant impact on the automobile world. The Cutlass series had a decent reputation at that point in time, and many envisioned this vehicle to end up becoming the perfect family vehicle.

However, this ultimately didn't end up being the case, and many individuals quickly became disappointed by the quality of this model. According to carcomplaints.com, the drivers of this vehicle ended up having a plethora of engine problems with this vehicle, which then completely soured the public’s view of this car.

14 2004 Pontiac Grand Am

When the 2004 Pontiac Grand Am was released, there were absolutely no questions that there was a lot of pressure for its success. At that point in time, the car manufacturer had started to drop in sales immensely, and they needed this version from the popular series to work out well.

However, as one can now assume, this vehicle was a complete and utter disaster at the end of the day.

According to jalopnik.com, these vehicles lacked durability entirely and also were known for having an abundance of issues with their automatic transmissions.

This ended up hurting the manufacturer immensely.

13 2001 Oldsmobile Aurora

The 2001 Oldsmobile Aurora definitely had a very nice look to their cars, and that did attract a decent number of buyers when it first was released. The beginning stages of this vehicle were mostly positive, but as the first few months passed, buyers began to notice a lot of major issues with these vehicles.

According to carcomplaints.com, this vehicle was notorious for having an interior that essentially broke itself down as well as having significant engine problems. There's no question that this made this vehicle a complete disappointment, and as a result, it hurt the car manufacturer immensely as well.

12 1980 Pontiac Phoenix

The 1980 Pontiac Phoenix ended up being considered one of the most disliked vehicles to ever come from the car manufacturer.

Although it's an older vehicle that was released during a time when the manufacturer was doing fairly well, there's no question that it ended up leaving a very negative impact on them.

According to jalopnik.com, this is widely considered to be one of the worst vehicles to ever come from the car manufacturer, and it's quite simple to understand why. Considering the fact that it was extremely weak when it came to its overall structure, this vehicle lacked any durability and soon hurt the company completely.

11 1996 Oldsmobile Delta 88

The 1996 Oldsmobile Delta 88 was a vehicle that was expected to be known for being reliable and safe. Many individuals of the automobile world envisioned this model to be known as a solid family car. However, they soon found out the hard way that this absolutely wasn't the case.

This vehicle sadly was one that wasn't built to last in the slightest, and this went on to hurt the car manufacturer immensely. According to carcomplaints.com, this vehicle ended up having immense problems with its engine, and this resulted in it needing a plethora of repairs at the end of the day.

10 2001 Pontiac Aztek

At first glance, one may assume that the 2001 Pontiac Aztek was a reliable and safe car that fit perfectly as a family vehicle. However, this ended up not being the case whatsoever because, at the end of the day, it simply was far too weak when it came to its overall structure.

According to thestreet.com, the 2001 Pontiac Aztek is the worst vehicle in the history of the automobile world.

Although there clearly is room for debate against that claim, there's no question that this vehicle simply ended up being a complete flop when it came to its overall sales because of its unappealing design.

9 2002 Oldsmobile Silhouette

The 2002 Oldsmobile Silhouette had an abundance of potential when it was first released into the automobile world. There was no question that the car manufacturer was truly banking on this vehicle to be a solid one for them when it came to its sales, especially with the company struggling at that time.

During the beginning of its time on the primary market, it ended up doing a fairly solid job in terms of sales, and many individuals were content with it. However, according to carcomplaints.com, it soon became apparent that these vehicles were prone to having serious interior problems as well as a very faulty engine.

8 1986 Pontiac LeMans

The 1986 Pontiac LeMans is another older vehicle from the car manufacturer that left a very lasting negative impact on them. When the vehicle was first released to the primary market, there were very high hopes that it'd develop into a very reliable and strong top-notch car.

However, this ended up not being the case, and it was soon deemed as one of the worst vehicles to ever come from the car manufacturer. According to edmunds.com, this vehicle was easily deemed as one of the most disliked cars that were released in the 1980s, and this, of course, hurt business immensely.

7 2000 Oldsmobile Intrigue

The 2000 Oldsmobile Intrigue wasn't necessarily a bad vehicle, but there's no question that it didn't sell well.

The poor sales could likely be due to the fact that the car manufacturer simply was spending more time working on its bigger-named vehicles of that year, but this actually ended up being a mistake.

There's no question that the car manufacturer could've advertised this vehicle far more than they did. According to carcomplaints.com, this vehicle was also prone to having recurring problems when it came to its engine. However, there's no doubt that it was structurally stronger than many of their other vehicles.

6 1995 Pontiac Sunfire

The 1995 Pontiac Sunfire definitely had a very cool look to it, and that ended up making people interested in purchasing it. Due to this clear fact, the beginning stages of this vehicle on the open market were actually pretty positive for the car manufacturer. However, this ended up changing.

Today, the 1995 Pontiac Sunfire is often blamed for being one of the vehicles that led to the demise of the car manufacturer. The biggest issue that came from this vehicle at a pretty quick rate was its interior that essentially broke itself down, according to jalopnik.com. This made it need a lot of repairs and people stopped buying from this series altogether.

5 1982 Oldsmobile Cutlass Diesel

The 1982 Oldsmobile Cutlass Diesel was another vehicle from the car manufacturer that was expected to be a top-notch part of their arsenal. However, it became clear from the very start that these vehicles simply weren't built to last, and this ended up making them receive a plethora of criticism.

According to jalopnik.com, this vehicle simply failed because of it having one of the worst engines in the history of the automobile world.

Furthermore, its sales also fell off dramatically because of the fact that many individuals simply found the vehicle’s appearance to be very unappealing.

At the end of the day, it was a lemon, entirely.

4 2005 Pontiac Montana

The 2005 Pontiac Montana is a vehicle that definitely could've developed into a solid family car, but it simply wasn't built to last whatsoever. Buyers eventually became aware of this shortly after its release, and this led to its sales dropping off fairly dramatically.

There's no question that the car manufacturer needed this vehicle to be a success, especially with the rise in competition when it came to SUVs at that time. Yet, according to jalopnik.com, the design of this vehicle was done so poorly that it ended up being a complete and utter failure in its time on the primary market.

3 1984 Oldsmobile Omega

The 1984 Oldsmobile Omega was a complete and utter lemon from the very start, and this didn't go over well with the automobile world.

There's no question that General Motors rushed the car manufacturer to create this vehicle to ensure that it'd be out by the time the competitors released their models.

According to edmunds.com, this vehicle is widely considered to be one of the worst cars to have ever been released to the general public. This definitely ended up hurting the car manufacturer immensely and led to sales dropping off for years to come. At the end of the day, this car simply failed to be reliable.

2 2009 Pontiac G3

The 2009 Pontiac G3 was basically a last attempt at the keeping the car manufacturer in business. When looking at the design of this vehicle, it definitely looked as though it was reliable. However, this ended up being very far from the truth and the manufacturer suffered immensely as a result.

According to carcomplaints.com, the 2009 Pontiac G3 ended up continuing the trend of their vehicles having extremely unreliable engines. This resulted in sales for this vehicle to drop off extremely quickly and thus basically led to the end of the car manufacturer. It's a shame, considering how much potential this car had.

1 1998 Oldsmobile Regency

The 1998 Oldsmobile Regency was a vehicle that definitely garnered a lot of attention when it was first released to the automobile world, but this quickly changed. This was a series of vehicles that once helped carry the car manufacturer to glory, but this model ended it very quickly.

At the end of the day, this vehicle may have been a bit older by the time the manufacturer ended its operations, but it did leave a significant impact.

According to carcomplaints.com, this vehicle was primarily known for its extremely unreliable engine.

This, of course, caused its sales to drop immensely, which hurt the company.

Sources: jalopnik.com, carcomplaints.com, thestreet.com, edmunds.com