The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →The Dodge Demon first appeared for the 1971 model year, one year after Plymouth introduced the Duster. It shared the Duster’s basic A-body shell but wore Dodge Dart front styling and distinct taillights. The Demon name lasted through 1972; for 1973, Dodge used Dart Sport instead.
Was the 1971 Dodge Demon based on the Plymouth Duster?
Yes. Dodge describes the Demon as using the Duster’s basic A-body body shell, with a Dodge Dart front clip and Dodge-specific rear lamps. It was a related but separately styled Dodge model, not simply a Duster with a different badge. Dodge’s history of the 1971 Demon places the Duster’s debut in 1970 and the Demon’s introduction the following year.
What was the difference between a Demon and a Demon 340?
“Demon” referred to the model range, not just its performance version. Dodge lists 198- and 225-cubic-inch Slant Six engines and a 318-cubic-inch V8 among the standard engine choices. The Demon 340 was the higher-performance version, powered by a 340-cubic-inch small-block V8.
Dodge rates the 1971 Demon 340 at 275 horsepower, a figure the manufacturer describes as conservative. Its standard equipment included Rallye suspension, dual exhausts, 14-by-5.5-inch wheels and E70-by-14 tires.
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- 1:25 scale, skill level 2, paint & glue required
- 91 parts
- Molded in white, clear, transparent red, and some chrome-plated parts
- Black vinyl tires
- Metal axle
How did the 1971 and 1972 Demon 340s differ?
Dodge reports a lower 240-horsepower rating for the 1972 Demon 340, compared with 275 horsepower for the 1971 model. The manufacturer attributes the change to lower compression and revised cylinder heads. The Demon continued into 1972 with detail changes; the two model years should not be treated as mechanically identical.
What did period testing show?
Dodge recounts a Car Craft Magazine test published in April 1971: a stock, four-speed Demon 340 with 3.91 gearing ran 14.41 seconds at 98.69 mph at Lions drag strip. Those figures belong to that specific tested car and configuration, not every Demon 340.
Rank #2
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Dodge also describes subsequent runs after modifications, including aftermarket wheels and headers, removal of the air filter and power-steering belt, and uncorking the headers. Those were modified runs, not stock-car results. The figures and test details are reported on Dodge’s Demon history page.
How long did Dodge use the Demon name?
The Demon name covered the 1971 and 1972 model years. For 1973, Dodge replaced it with the Dart Sport name, alongside styling and bumper changes. Dodge characterizes the transition as essentially a name change with those accompanying revisions.
Rank #3
- 2023 Challenger SRT Demon 170 - 5461D Model Vehicle
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Dodge says a Sizzler trim package became available on March 1, 1971. The manufacturer history page also gives a $2,721 base price while discussing a featured low-mileage survivor; because that context does not establish a universal price across configurations, it should not be read as the price of every Demon.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is known about the Demon’s origins and production numbers?
Dodge says the model’s roots can be traced to an experimental Chrysler of Canada prototype, but presents that account cautiously, using terms such as “reportedly.” It is best treated as a tentative origin story rather than a confirmed development record.
Rank #4
The Dodge history page does not establish total production for either the 1971 Demon or the Demon 340. Without a verified production figure, claims about exact totals or rarity are not settled by this source.
Quick Recap
Best Value
- Brand new box. Black vinyl tires. Detailed interior. Colorful decal artwork. Vintage style packaging. Optional custom wheels. Officially licensed product. Chrome plated small parts. Contains 179 detailed parts. 6.2L V8 supercharged Hemi engine. Paint and cement required (not included). Manufacturer's original unopened packaging. Parts molded in WHITE, unless otherwise indicated.
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