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The Plymouth Superbird was a one-model-year car: a 1970, NASCAR-associated member of the Road Runner family, not a model with multiple generations. Its key engine configurations were the 440 four-barrel, 440 Six Pack and 426 Hemi. Values vary substantially by condition, originality, equipment and history, so a useful comparison starts with the specific car—not a single “Superbird price.”
Why “Superbird generations” is misleading
Plymouth produced the Superbird for the 1970 model year. It was an aerodynamic, NASCAR-focused derivative of the Road Runner family, created for competition-era rules that favored manufacturers building road-going versions of their race cars. Newport Car Museum describes production as ending after one year because of rule changes. The sources support a 1970-only model, not successive Superbird generations. Newport Car Museum
The Superbird is closely related in concept and appearance to the 1969 Dodge Charger Daytona, but it is a distinct Plymouth model. Hagerty’s reference entry identifies it as a 1970 Road Runner Superbird. The available sources do not establish a detailed part-by-part comparison, so claims about interchangeability should be checked against vehicle-specific documentation. Hagerty’s 1970 Road Runner/Superbird reference
Superbird engine configurations and period ratings
Hagerty lists three headline Superbird engine configurations. The horsepower figures below are period-rated brake horsepower as reported by Hagerty, not contemporary dynamometer measurements.
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| Configuration | Engine and induction | Period rating |
|---|---|---|
| 440 four-barrel | 440-cubic-inch V8 with one four-barrel carburetor | 375 bhp |
| 440 Six Pack | 440-cubic-inch V8 with three two-barrel carburetors | 390 bhp |
| 426 Hemi | 426-cubic-inch Street Hemi V8 with dual four-barrel carburetors | 425 bhp |
These are engine/configuration distinctions, not evidence of a multi-step Superbird trim ladder. Hagerty’s broader Road Runner discussion also mentions a 383-cubic-inch base engine and describes transmission choices across the Road Runner line. Do not assume those details establish a Superbird-specific factory configuration; verify the individual car’s build records and equipment. Hagerty
How to assess a Superbird’s configuration and authenticity
A badge or seller description alone cannot prove that a car left the factory with a particular engine. When assessing a claimed 440, Six Pack or Hemi car, look for consistent documentation and physical evidence. Useful records and checks include:
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- VIN, fender tag and broadcast sheet or other available factory build records.
- Engine and transmission stampings, checked against the car’s documentation and claimed configuration.
- Evidence of whether major components are original, replaced or reconstructed.
- Restoration records, photographs, ownership history and any documented racing provenance.
- An inspection by a specialist familiar with Mopar cars, especially where originality or matching numbers materially affects the asking price.
Hagerty cautions that vehicle information in its marketplace comes from sellers. Auction descriptions can help identify leads and claimed history, but they are not a substitute for independent inspection or documentation. Hagerty Marketplace
NASCAR history: Hamilton’s Daytona 500 win
The Superbird’s racing identity is tied to Pete Hamilton’s victory in the 1970 Daytona 500, driving a blue Petty Enterprises Plymouth Superbird. NASCAR’s historical video page records the win. NASCAR’s 1970 Daytona 500 account
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In a retrospective published by NASCAR on March 22, 2017, Richard Petty recalled that Plymouth helped introduce Hamilton to the team for a second car on the bigger tracks, adding that Hamilton and team chief Maurice Petty won the Daytona 500. Maurice Petty, who ran the team, summed up Hamilton’s superspeedway pace: “Pete was as fast as anyone on the superspeedways in 1970.” NASCAR’s report on Pete Hamilton
How many Plymouth Superbirds were made?
Published production totals vary. Hagerty reports 1,920 Superbirds, while other published results have surfaced a figure of 1,935. The sources do not reconcile the discrepancy using primary factory production records, so neither number should be presented as an undisputed total. If precision matters, attribute the figure: Hagerty reports 1,920. Hagerty
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A verified breakdown of production by engine configuration is not established here. Treat precise claims about how many Hemi Superbirds were built cautiously unless they are supported by reliable, vehicle-specific or primary documentation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What a 1970 Superbird is worth
There is no universal current price. Hagerty’s valuation tool bases estimates on auction results and says its figures vary with condition, mileage, options and history. For a meaningful estimate, select the claimed configuration and condition rather than relying on a single figure for all Superbirds. Its estimate is a guide, not a guarantee or an individual appraisal. Hagerty Valuation Tools
When comparing cars, keep the following factors distinct:
- Engine and drivetrain: compare the documented configuration, not just the advertised badge.
- Originality and matching evidence: determine which components are original and whether stampings and records support the claim.
- Condition and restoration: assess the car’s present state and the quality and documentation of any restoration.
- Options and mileage: account for vehicle-specific equipment and the reliability of the mileage history.
- Provenance: distinguish documented ownership or racing history from unverified claims.
- Sale context: compare date, venue and the car’s actual specification and condition; a single auction result is not a market range.
For context only, Marque’s auction-results aggregator reported a US$240,000 sale on October 2, 2026, and said it tracks 44 U.S. sales. That is one aggregator-reported transaction, not a verified comparable for a different car or a general valuation; confirm the result against the original auction record before using it in a price comparison. Marque Superbird results
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