1970 Chevrolet Monte Carlo SS 454

Personal luxury powered by Chevrolet 454ci LS5 V8.

1970 Chevrolet Monte Carlo SS at a public show; restored/exterior SS visual context only.

Build pathway Factory Chevrolet RPO Z20 SS 454 package

Body style Two-door Monte Carlo coupe

Engine LS5 454 cid Turbo-Jet V8, reported 360 hp gross and 500 lb-ft

Transmission Turbo Hydra-Matic automatic reported as the Z20 pairing

Story

1970 Chevrolet Monte Carlo SS 454

The 1970 Monte Carlo SS 454 paired Chevrolet's first personal-luxury Monte Carlo coupe with the LS5 454-cubic-inch Turbo-Jet V8. Source records identify the SS package as the Z20 path and tie it to 360 gross horsepower, M40 Turbo Hydra-Matic 400 automatic transmission equipment, G67 automatic level control, heavy-duty chassis components, SS 454 exterior identification, wide 15-inch wheel and tire equipment, and dual exhaust.

The safest public identity is narrow: a factory-built 1970 Chevrolet Monte Carlo ordered with the SS 454 package, not a separate VIN series. Badges alone are not enough. The strongest checks are build-sheet or Canadian documentation with Z20 and LS5 evidence, CRN 454 engine stamping when numbers-matching originality is claimed, TH400 tag context for the 454 application, and the G67 level-control hardware that SS454 records call out as package equipment.

For restoration and comparison, the record now includes the 1970 Monte Carlo paint-code table, body-tag interior trim-code table, SS454 chassis and appearance equipment, production context, and clone-prone authenticity markers. Individual surviving cars still need their own paperwork because color, trim, axle ratio, gauges, console, wheel choice, and numbers-matching drivetrain claims are vehicle-specific.

**1970 Monte Carlo front view showing grille and long-hood proportions.**MercurySable99 via Wikimedia Commons · CC BY-SA 4.0

Price history

Values

Nominal dollars from original price sheets, auction archives, and approved value references.

Original Price

A verified original price is not yet available for this car.

Market Observations

Auction sale $66,000

May 17, 2025 · Mecum Indianapolis
Astro Blue 1970 Chevrolet Monte Carlo SS 454 138570L132778 with matching-numbers 454/360-hp V8 and original window sticker. · restored · unknown Mecum records the completed sale, automatic transmission, rotisserie restoration completed in 2011, and 74,696 displayed miles.
1970 Chevrolet Monte Carlo SS 138570L132778, Mecum Indianapolis 2025
Auction sale $46,200

Jan 22, 2025 · Barrett-Jackson Scottsdale
1970 Chevrolet Monte Carlo SS 454 138570B135283 with 454 V8 and automatic transmission. · survivor · unknown CLASSIC.COM records the completed sale, Original & Highly Original classification, and true-mileage-unknown status.
1970 Chevrolet Monte Carlo SS 454 138570B135283, Barrett-Jackson 2025
Auction sale $24,001

Apr 1, 2023 · Bring a Trailer
1970 Chevrolet Monte Carlo SS 454 138570L116393 with partial build sheet and removed automatic-level-control equipment. · modified · unknown Bring a Trailer records the completed sale and documents a replacement 700R automatic, repaint, rebuilt and modified engine, four-wheel disc brakes, and unknown total mileage.
1970 Chevrolet Monte Carlo SS 454 138570L116393, BaT 2023
High bid $23,000

May 17, 2018 · Mecum Indianapolis
Unrestored 1970 Chevrolet Monte Carlo SS 454 138570L146346 with original build sheet, Protect-O-Plate, and invoice. · survivor · unknown The $23,000 high bid did not result in a sale. Mecum reports the original 454, automatic transmission, 2.56 rear axle, and believed 24,075 miles.
1970 Chevrolet Monte Carlo SS 138570L146346, Mecum Indianapolis 2018

Values move with paperwork, originality, options, condition, venue, and body style. High bids and guide values are labeled separately from completed sales.

Reference records

Options, Colors & Components

Source-backed details for trim, chassis, production, and authenticity.

Transmission

Factory transmission M40 Turbo Hydra-Matic automatic / TH400 reported for Z20 SS 454

Options

Source-document visual for reviewed 1970 Monte Carlo SS 454 evidence that documents G67 automatic level-control suspension hardware; not a suspension hardware photograph.Classic Muscle · Reference illustration

Z20 SS 454 / Monte Carlo SS package factory · performance · Source records associate Z20 with the 1970 Monte Carlo SS 454 package and LS5 454 equipment.
LS5 454 Turbo-Jet V8 required · performance · The SS454 package path is tied to the LS5 454 V8 in 1970 Monte Carlo SS454 source records.
M40 Turbo Hydra-Matic 400 automatic transmission required · performance · SS454 identification records list M40 TH400 automatic equipment and 1970 454 transmission-tag context.
G67 Automatic Level Control required · chassis · Recorded as SS454 equipment with compressor, leveling valve, air shocks, shock protector plates, and air line routing cues.
PH1 15 x 7 wheels with wheel covers required · chassis · Recorded as standard 1970 SS454 wheel equipment; rally wheels are treated separately.
P90 G70 x 15 white-stripe tires required · chassis
F41 Front and rear anti-sway bars required · chassis · SS454 equipment record describes a larger front bar and boxed rear control-arm context.
N10 Dual exhaust with chrome tips required · performance
ZJ7 15 x 7 Rally wheels optional · appearance · Optional on 1970 SS454 and standard on 1971 SS454 according to the reviewed SS454 resource.
D55 Center console optional · interior · Not part of the SS454 package; if present, the console should have a burlwood top matching the dash.
A51 Bucket seats optional · interior · Not part of the SS454 package; many SS454 cars were built with the standard bench seat.
G80 12-bolt Positraction rear axle optional · performance · Reviewed SS454 resource lists 2.56 as the standard 1970 SS ratio and 3.31 as a 1971 standard context; verify individual cars with paperwork.
U14 Special gauge package optional · interior · Not part of the SS454 package; some SS cars may have warning lights instead.

Paint

**Local crop showing 1970 Monte Carlo SS front trim context.**dave_7 via Wikimedia Commons; local crop · CC BY-SA 2.0 derivative

10 Classic White factory · solid
14 Cortez Silver factory · metallic
17 Shadow Gray factory · metallic
19 Tuxedo Black factory · solid
25 Astro Blue factory · metallic
28 Fathom Blue factory · metallic
34 Misty Turquoise factory · metallic
45 Green Mist factory · metallic
48 Forest Green factory · metallic
50 Gobi Beige factory · solid
55 Champagne Gold factory · metallic
58 Autumn Gold factory · metallic
63 Desert Sand factory · solid
75 Cranberry Red factory · solid
78 Black Cherry factory · metallic

Authenticity

SS package documentation Build sheet or equivalent paperwork showing RPO Z20 for Monte Carlo SS · Original broadcast/build sheet or Canadian documentation where applicable · fraud detection
U.S. VIN/data plate limitation U.S.-built cars are reported not to encode the SS option in VIN or data plate alone · Compare vehicle VIN/data plate against build paperwork rather than using VIN alone · fraud detection
Engine suffix and VIN derivative 1970 454 engine suffix CRN with VIN derivative matching the car when numbers-matching originality is claimed · Engine stamp pad forward of the passenger-side cylinder head or near the oil-filter pad depending on block evidence · numbers matching
TH400 transmission tag 1970 454 TH400 tag context with 70R code, or larger C/R tag letters if the middle code is not legible · Turbo Hydra-Matic 400 transmission tag and case serial number · numbers matching
G67 level-control hardware Compressor, rear leveling valve, air shocks, shock protector plates, and plastic air line along the left frame rail · Under hood, above rear differential, rear shocks, lower shock mount area, and left frame rail · trim correctness
Interior SS emblem absence No interior SS emblems as a factory SS454 cue · Interior trim and emblems · fraud detection