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What's it Worth Premium for numbers matching vs NOM

Some Car Guy said:
The gist I’ve gotten from the legit responses here and elsewhere is it’s about 20%. You then have to get down to the details to go up or down from there. My rough rule of thumb had been a 4 speed NOM is pretty close and in this case it was on my low end personal estimate of 20% on the 727s, not the 30% I’ve noticed because it had some condition issues.

So I tend to think this car would be slightly above that and that would follow consensus thinking. Unfortunately I think this will be another one where I point all this out and am told my offer isn’t welcome. I’ve had several cars over the last few years where that has happened, and the car remains unsold on the market. One that sticks out is a 68 GTX. Car was auctioned at least 4 times and we had those public numbers to go off of. I offered a decent amount over that I felt the car was reasonably worth. Guy was like 40%+ north and still had the car last I knew. Just one example.
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I spent 20 years trying to buy my current GTX from the last owner. The car is extremely heavily optioned, with incredible provenance, numbers matching to extreme, only three dated coded parts don't have correct numbers. Seller beat the daylights out of me on the numbers matching "one of one" status when we negotiated the sale.

My stance was that at the end of the day, it was a really nice 440 automatic, not a Hemi, not a four speed, and not a convertible. I was prepared to walk away, and closed the deal for book price. Original owner's son, who also owned the dealership, told me not to pay more than that when I started the process.
 
If I was the owner of the mystery car in question and a potential buyer started telling me I was over priced and need to sell it for $XXXX amount less the conversation would be over
The seller has picked the price they are not sad to see it sell or sad to have to keep it and continue enjoying it

If the car in question is at a flipper dealership kind of thing well that is a whole different ball game where they are fishing for a big dollar number because they payed a big price most likely to get it in the first place and are not selling it at a loss so they will just wait till the right person to comes along ( just got a big payday they sold the extra house ..... )
 
chargervert said:
I don't think that a 383 car with its matching numbers engine is in the same league as a Sixpack or Hemi car with its matching numbers engine. The percentage is a lot higher if a Hemi car has its matching numbers engine versus a 383 car. On a 383 car maybe the percentage is 15 percent and on a Hemi car it could be 30 percent. I would also say it's more critical in the current market value wise that a Road Runner or Super Bee has its matching numbers engine versus a second generation Charger,Chargers sell for crazy money regardless if they have the matching numbers engine or not.
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I would have to agree with the idea of a kind of scale percentage of value according to the engine.
You could argue that an original 318 matters very little. A 383 maybe 5-10%. 440 maybe 10-20% Six pack , hemi 25 and up depending on the car.
 
chargervert said:
I don't think that a 383 car with its matching numbers engine is in the same league as a Sixpack or Hemi car with its matching numbers engine. The percentage is a lot higher if a Hemi car has its matching numbers engine versus a 383 car. On a 383 car maybe the percentage is 15 percent and on a Hemi car it could be 30 percent. I would also say it's more critical in the current market value wise that a Road Runner or Super Bee has its matching numbers engine versus a second generation Charger,Chargers sell for crazy money regardless if they have the matching numbers engine or not.
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A '69 Charger could have an LS motor and a Muncie 4-speed and still get more stupid dollars than a Matching Number 6-BBL Road Runner.

People are nuts for Chargers.
 
kiwigtx said:
A '69 Charger could have an LS motor and a Muncie 4-speed and still get more stupid dollars than a Matching Number 6-BBL Road Runner.

People are nuts for Chargers.
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source (4).gif


:lol:
 
We live in a world where this is now a 55k car, wow.

1968 Plymouth GTX Convertible For Sale At Auction - Mecum Auctions

View the 1968 Plymouth GTX Convertible for sale at Kissimmee 2026 in Kissimmee, Florida as J191.
www.mecum.com www.mecum.com

along with some other sales I watched, this car I was looking at gets pretty hard to justify at even what I thought, let alone what the seller wants.
 
Some Car Guy said:
We live in a world where this is now a 55k car, wow.

1968 Plymouth GTX Convertible For Sale At Auction - Mecum Auctions

View the 1968 Plymouth GTX Convertible for sale at Kissimmee 2026 in Kissimmee, Florida as J191.
www.mecum.com www.mecum.com

along with some other sales I watched, this car I was looking at gets pretty hard to justify at even what I thought, let alone what the seller wants.
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I sold my 68 gtx convertible to a dealer in 2007 for 65k. I can’t find any pics of it in my phone. It was red , black interior , white top , 440 auto. P.s , pb , p.w. P.t. Beautiful car.
I would think that car would be worth about 100k now that it’s 19 years later. I doesn’t look like they e gone up that much though.
 
Davefinan said:
I sold my 68 gtx convertible to a dealer in 2007 for 65k. I can’t find any pics of it in my phone. It was red , black interior , white top , 440 auto. P.s , pb , p.w. P.t. Beautiful car.
I would think that car would be worth about 100k now that it’s 19 years later. I doesn’t look like they e gone up that much though.
Click to expand...
In the process of owning seven GTXs over five decades, I've watched the prices closely, and inspected more than a few at Mecum prior to sale. They are a thin market, and the prices often have no apparent logic. I saw a '69 convertible sell for six figures at Mecum Harrisburg a few years ago, and I considered it a relative dog after personal inspection. A really nice '68 brought $60K the year before. A red '69 convertible, nice car, sold for $45K a couple years back, a dealer flipped it for $79K shortly after.

I struggled to get over $40K for my restored, numbers matching A33 car in 2021, but three years later, it was bid to $81K at the GAA auction. I think your former car could bring $100K, from the right buyer. I've turned down that much for my '69 hardtop. On the other hand, if I were to try to liquidate it quickly, I think I'd struggle to get $50K in the current market. They sure aren't in the same league as second generation Chargers.
 
68BabyBlue said:
In the process of owning seven GTXs over five decades, I've watched the prices closely, and inspected more than a few at Mecum prior to sale. They are a thin market, and the prices often have no apparent logic. I saw a '69 convertible sell for six figures at Mecum Harrisburg a few years ago, and I considered it a relative dog after personal inspection. A really nice '68 brought $60K the year before. A red '69 convertible, nice car, sold for $45K a couple years back, a dealer flipped it for $79K shortly after.

I struggled to get over $40K for my restored, numbers matching A33 car in 2021, but three years later, it was bid to $81K at the GAA auction. I think your former car could bring $100K, from the right buyer. I've turned down that much for my '69 hardtop. On the other hand, if I were to try to liquidate it quickly, I think I'd struggle to get $50K in the current market. They sure aren't in the same league as second generation Chargers.
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Yeah I’ve watched the market somewhat since selling the car and it really is all over the place. Seems like it jumps , flatlines and tanks in short periods of time.
 
A4GTX said:
I don’t know the source for this guide but there’s no such thing as a factory ‘69 Road Runner with a 440 four-barrel.
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Yes, there have always been minor issues, especially with available engines with the "Old Cars Price Guide", but for over 40 years it's been pretty darn close to reality for pricing estimates.
 
Last edited:
I have a fairly long Corvette C2 background going back to about 1980 - the good and the bad. Original born with engine means big dollars in the Corvette world. Maybe 20% in the standard small block cars to 50% more in the rare big blocks. But it requires documentation and authentication by experts. Of lesser value is “numbers matching”. Everyone pretty much understands that numbers matching doesn’t mean original, born with engine. A large number have re-stamped, cloned engines and parts. They can still be scored highly in judging but lacking iron-clad proof it’s the born with engine, they may bring a 10-25% premium +/- depending on the motor, other options, color, etc. the bigger the engine the more premium. Original KOs, original side pipe cars, 4-speed, currently coupe styles, all add significant premiums to the perceived value. I’m speaking in generalities on these % but I think most Corvette guys would agree they are not out of line.

I’ve never believed the bulk of Mopar enthusiasts are as hung up on “born with” or “matching numbers” in what they are looking for in a Mopar. It still has a premium value, but much less. Even in Hemi cars I doubt an original engine will add more than 10-15%. In 67 and earlier cars the engines weren’t even stamped with VINs. The model, overall condition, options, engine size, and rarity matter the most (IMO) for those willing to pay big dollars for a premium car.

Just my opinion. Doesn’t mean much.
 
I find it hard to believe Mopar guys don’t care about numbers matching. It’s mentioned in every ad and the first thing any discussion online or in person includes is whether or not it has the numbers engine. How many guys have posts on this site alone looking for blocks and trans?

I have noticed guys selling cars will say it doesn’t matter. Also I have personally seen one of the wheeler dealers having a meltdown about discussions concerning a car he was connected to having a hand stamped block and how that was normal, then I saw that same guy downing a car for sale for having…a hand stamped block. Suffice to say it matters which side of the table you are on.

While it would be nice for me to pick up a car and drive it the way I do and lay out less money, it also wouldn’t play well in the shows I go to. Needs to be an original looking car and those tend to have numbers engines because those are the ones that were messed with the least and have subsequently had the most attention paid to the details.
 
68BabyBlue said:
In the process of owning seven GTXs over five decades, I've watched the prices closely, and inspected more than a few at Mecum prior to sale. They are a thin market, and the prices often have no apparent logic. I saw a '69 convertible sell for six figures at Mecum Harrisburg a few years ago, and I considered it a relative dog after personal inspection. A really nice '68 brought $60K the year before. A red '69 convertible, nice car, sold for $45K a couple years back, a dealer flipped it for $79K shortly after.

I struggled to get over $40K for my restored, numbers matching A33 car in 2021, but three years later, it was bid to $81K at the GAA auction. I think your former car could bring $100K, from the right buyer. I've turned down that much for my '69 hardtop. On the other hand, if I were to try to liquidate it quickly, I think I'd struggle to get $50K in the current market. They sure aren't in the same league as second generation Chargers.
Click to expand...

They are a tougher sell than the road runners. Takes a more savvy guy to understand what they are. I get the feeling at cars and coffee that people are looking at my 69 and wondering what exactly it is.
 
Some Car Guy said:
I find it hard to believe Mopar guys don’t care about numbers matching. It’s mentioned in every ad and the first thing any discussion online or in person includes is whether or not it has the numbers engine. How many guys have posts on this site alone looking for blocks and trans?

I have noticed guys selling cars will say it doesn’t matter. Also I have personally seen one of the wheeler dealers having a meltdown about discussions concerning a car he was connected to having a hand stamped block and how that was normal, then I saw that same guy downing a car for sale for having…a hand stamped block. Suffice to say it matters which side of the table you are on.

While it would be nice for me to pick up a car and drive it the way I do and lay out less money, it also wouldn’t play well in the shows I go to. Needs to be an original looking car and those tend to have numbers engines because those are the ones that were messed with the least and have subsequently had the most attention paid to the details.
Click to expand...
10-15% still isn’t insignificant when talking about 1968 and up $50k - $100k Mopars. None of my cars have their original, born with engine. But my cars Mopars are a 66 and a 67 and engines weren’t stamped then. As long as it’s a correct engine for the car I’m good.
 
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