1970 Plymouth Road Runner

2dr Coupe

8-cyl. 440cid/390hp 3x2bbl Six Pack

#1 Concours condition#1 Concours
#2 Excellent condition#2 Excellent
#3 Good condition#3 Good

$59,000*

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#4 Fair condition#4 Fair

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Notes
Colorscan make an astonishing difference in both value and salability.
Value Graph04/2407/2410/24$20k$40kJan 2025

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1968-1970 Plymouth Road Runner stats
Highest sale
$341,000
Lowest sale
$6,325
Most recent sale
$40,162
Sales
1399

Photos

55 photosImages may not reflect selected vehicle.

1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
1970 Plymouth Road Runner 2dr Convertible Courtesy of RK Motors
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Model overview

Model description

Plymouth regained its third place ranking in 1970, the best the brand had registered since 1959. The backbone of its 7.4 percent sales increase was the new Valiant Duster Coupe which registered an astonishing 217,192 sales. Changes to the 1970 Plymouth Road Runner and 1970 Plymouth GTX lines involved new grille, hoods, fenders and rear panel.

The year 1970 was the pinnacle of the muscle car wars. The 425 bhp, 426 cid Street Hemi was king and the Road Runner Superbird ruled NASCAR’s superspeedways. Even so, Road Runner sales dropped 50 percent this year, with only 15,716 Coupes, 24,944 Hardtops, only 824 Convertibles. There were also 1,920 Superbirds – one for every two Plymouth dealers. The Superbird closely resembled the Dodge Charger Daytona from 1969 (500 built), but the two are distinctly different.

The GTX lost its convertible this year and only 7,748 Hardtops were sold. The base engine for the Road Runner remained the 330 bhp, 383 cid V-8 with optional 375 bhp 440 cid V-8 for an extra $131, the 390 bhp 440 V-8 “Six Pack” for $250 more, and the dual-four-barrel 425 bhp 426 Street Hemi V-8 for another $831.40. Base gearbox was now a 3-speed with a 4-speed for $197 and automatic available for an extra $227.

The GTX featured a 375 bhp 440 V-8 as base motor with a 390 bhp 440 “Six Pack” available for $119 extra, and the 425 bhp, 426 cid Street Hemi for an additional $711. Automatic transmission was standard on the GTX with a no-charge 4-speed. Air conditioning was not available with high performance engines.

Road Test tried out a base Superbird with a 440 V-8 and managed 0-60 mph in 5.8 seconds and a quarter-mile in 14.26 second at 103.7 mph. A Hemi Road Runner managed 0-60 in 5.6 seconds and the quarter-mile in 13.7 seconds at 106 mph.

Popular Road Runner and GTX options included air-conditioning ($357), Road Runner stripes ($27), blackout hood ($18 for Road Runner and GTX), AM/FM stereo tape ($196), vinyl roof ($79), air-grabber scoop ($66 but standard with Hemi), front disc brakes ($28), heavy duty Sure-Grip differential ($146), Super Trak Pack with 440 or 426 V-8s ($236), Road Runner bucket seats ($100), and tachometer ($50).

Plymouth offered 27 mostly metallic and high impact colors, and seven interior shades. The colors and codes were Platinum (A4), Ice Blue (B3), Blue Fire (B5), Jamaica Blue, (B7), In-Violet (C7), Rally Red (E5), Lime Green (F4), Ivy Green (F8), Limelight (J5), Vitamin C (K2), Burnt Orange (K3), Deep Burnet Orange (K5), Sandpebble Beige (L1), Moulin Rouge (M3), Frosted Teal (P6), Scorch Red (R6), Sahara Tan (T3), Burnt Tan (T6), Walnut (T8), Tor Red (V2), Alpine White (W1), Black Velvet (X9), Lemon Twist (Y1), Sunflower Yellow (Y2), Yellow Gold (Y3), Citron Mist (Y4), Citron Gold (Y6). Interior colors included Blue, Green, Tan, Charcoal, Burnt Orange, and Gold. Vinyl roofs tended to be White, Black, Green or Tan.

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Common Questions

The value of a 1970 Plymouth Road Runner can vary greatly depending on its condition, mileage, options, and history. Typically, you can expect to pay around $69,978 for a 1970 Plymouth Road Runner in good condition with average spec.

The highest selling price of a 1970 Plymouth Road Runner at auction over the last three years was $243,000. The highest prices are usually reserved for rare or exceptionally well-maintained examples with desirable features or modifications and excellent history.

The lowest selling price of a 1970 Plymouth Road Runner at auction over the last three years was $26,400. The lowest prices are usually paid for examples that have extensive maintenance needs, differ greatly from their original configuration, or have accident histories or title problems.

In the last three years there have been 61 1970 Plymouth Road Runners sold at public auction.

The most recent auction sale of a 1970 Plymouth Road Runner was $40,162 on December 21, 2024 by Bring a Trailer.

Many factors can increase a car's value including excellent condition, exceptional originality, a recent restoration, low mileage, unique provenance, desirable options, popular or unique color choices, and excellent maintenance records. Upgrades and modifications that enhance performance or aesthetics can also add value.

Factors that can decrease a car's value include unusually high mileage, poor maintenance history, visible wear and tear, accidents or damage, title issues, and gaps in ownership history. Additionally, less popular color choices and extensive modifications that don't appeal to a broad audience can reduce value.

Mileage plays a significant role in a classic car’s value. Lower mileage usually increases value because it indicates a higher degree of originality, is rarer, and suggests less wear and tear. However, cars with exceptionally low mileage may also have maintenance needs due to lack of use. Whether someone should pay more for a vehicle with lower miles will depend on how they plan on using it, and the vehicle's specific condition.

The value of modified cars differs widely based on the type and quality of modifications. While some modifications can significantly increase value, especially performance enhancements and high-quality custom work, others may not add much or could even detract from the car’s value if they appeal to only a limited audience.

All prices shown here are based on various data sources, as detailed in About Our Prices. The Hagerty Price Guide is for informational purposes only and is not intended as financial advice. More information on how forecast models are calculated can be found on Forecasted Values page. For additional information and a complete description of benefits, visit hagerty.com/legal. Purchase of insurance not required for membership in HDC. Hagerty, Hagerty Valuation Tools & Hagerty Drivers Club are registered trademarks of The Hagerty Group LLC, ©2024 The Hagerty Group, LLC. All Rights Reserved. The Hagerty Group, LLC is a wholly owned subsidiary of Hagerty, Inc.