1970 Oldsmobile 442 W-30

Muscle car powered by Oldsmobile 455 W-30 V-8.

1970 Oldsmobile 442 W30 photographed by Sicnag; reviewed as representative W-30 exterior media, not individual-car originality proof.

Factory line Oldsmobile 4-4-2 with W-30 performance package

Engine 455 cu in Oldsmobile W-30 V-8

Factory output 370 gross hp / 500 lb-ft

Signature hardware W-30 ram-air hood, low-restriction induction, and aluminum intake

Known caveat body-style splits, axle ratios, and production totals need stronger page-level records before being treated as settled

Story

The 1970 Oldsmobile 442 W-30 anchors the Oldsmobile side of the GM A-body muscle-car era. GM Heritage and period W-Machines brochure material support the core identity: a factory 4-4-2 W-30 with a 455 cubic-inch Oldsmobile V-8, ram-air induction hardware, and published gross output of 370 hp and 500 lb-ft.

This page keeps the public claim set focused on the verified package identity, engine family, broad manual/automatic transmission availability, and the W-30 hardware enthusiasts expect to see. The approved Commons images are representative W-30 exterior media, including hardtop and convertible context; captions are not used as standalone proof of originality for a specific car.

Production totals, body-style splits, axle ratios, casting/date-code originality, and transmission-by-body combinations are left out until stronger factory, registry, or car-level records support them cleanly.

**1970 Oldsmobile 442 W-30 Convertible photographed by Greg Gjerdingen; reviewed as representative W-30 convertible media, not individual-car originality proof.**Greg Gjerdingen via Wikimedia Commons · CC BY 2.0

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

Price guide value $78,500

Jul 28, 2026 · Hagerty Price Guide · Current guide point
Hagerty #3 Good value for the exact 1970 Oldsmobile 4-4-2 W-30 two-door Holiday Coupe with the 455cid/370hp four-barrel configuration. · unknown · good A dated exact-configuration benchmark, not a completed sale or individual-car appraisal; Hagerty lists separate adjustments for four-speed and pace-car equipment.
1970 Oldsmobile 4-4-2 W-30 Holiday Coupe price guide, July 2026
Auction sale $69,300

May 15, 2026 · Mecum Auctions
W-30 Sport Coupe 344770M201625 with a four-speed, Ram Air, factory-correct Rally Red presentation, and recent drivetrain rebuild. · restored · unknown Mecum records the $69,300 completed sale and a comprehensive frame-off restoration.
1970 Oldsmobile 442 W-30 344770M201625, 2026
Auction sale $68,200

May 16, 2025 · Mecum Auctions
W-30 Sport Coupe 344770M336381 with 455/370hp engine, four-speed, 3.23 Anti-Spin, and approximately 27,000 displayed miles. · restored · excellent Hagerty records the $68,200 completed sale. Its earlier exact-VIN condition report identifies a high-level restoration in #2 Excellent condition, despite a later aggregator's generic original/highly-original category.
1970 Oldsmobile 442 W-30 344770M336381, 2025 1970 Oldsmobile 4-4-2 W-30 344770M336381 past sale 1970 Oldsmobile 4-4-2 W-30 344770M336381 condition report
Auction sale $63,800

Jul 27, 2024 · Mecum Auctions
W-30 Holiday Coupe 344870M171460 with automatic transmission and a Mondello-built 455 represented at Mecum Harrisburg. · modified · unknown Hagerty records a $63,800 fee-inclusive completed sale; Classic.com reports a $58,000 auction result and classifies the exact VIN as modified. The present engine configuration is therefore not treated as original.
1970 Oldsmobile 442 W-30 344870M171460, 2024 1970 Oldsmobile 442 W-30 344870M171460 market record 1970 Oldsmobile 4-4-2 W-30 344870M171460 past sale
Auction sale $181,500

May 19, 2023 · Mecum Auctions
W-30 Holiday Coupe 344870M170012 with matching 455, M20 four-speed, 3.91 Positraction, broadcast card, Protect-O-Plate, and a documented 2,000-hour rotisserie restoration. · restored · concours Mecum records the $181,500 completed sale and multiple OCA and MCACN concours awards.
1970 Oldsmobile 442 W-30 344870M170012, 2023
Auction sale $242,000

Jan 14, 2022 · Mecum Auctions
W-30 convertible 344670M241117 with a matching M21 four-speed, 3.42 Positraction, factory documents, authenticated race history, and a 2008 frame-off restoration. · restored · concours Mecum records the $242,000 completed sale and describes a Certified Concours Gold restoration, a 2017 repaint, and 150 miles since restoration.
1970 Oldsmobile 442 W-30 Convertible 344670M241117, 2022

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 4-speed manual
Factory transmission Turbo-Hydramatic 400 automatic

Options

W-30 W-30 performance package optional · performance · Oldsmobile W-30 package with 455 V-8, ram-air induction hardware, and performance equipment.
M21 Four-speed manual transmission optional · performance · Four-speed manual availability retained at reviewed page level; exact Oldsmobile application codes need build records.
TH400 Turbo-Hydramatic 400 automatic optional · performance · Turbo-Hydramatic 400 availability retained at reviewed page level; exact calibration details need build records.

Paint

**1970 Oldsmobile 442 W30 photographed by Sicnag; used as W-30 hood and stripe context.**Sicnag via Wikimedia Commons · CC BY 2.0

10 Porcelain White factory · solid
19 Ebony Black factory · solid
75 Rally Red factory · solid

Authenticity

W-30 package identity W-30 ram-air induction, low-restriction air cleaner, aluminum intake, and package documentation consistent with the original order · Build sheet, original invoice, broadcast card, engine/carburetor/intake evidence, and ownership history · fraud detection
455 W-30 drivetrain identity Oldsmobile 455 W-30 drivetrain evidence matching body, transmission, and axle documentation · Engine pad/casting dates, carburetor, intake, transmission, axle code, build sheet, and paperwork · numbers matching
W-30 paperwork proof boundary A real 1970 442 W-30 needs original W-30 order documentation such as a build card/build sheet or original sales invoice; VIN and cowl-tag checks identify body and trim context but are not, by themselves, W-30 proof. · Original build card or build-sheet material, original sales invoice, VIN plate, and Fisher cowl data tag. · fraud detection
Numbers-matching drivetrain verification boundary Engine, transmission, and carburetor numbers should be checked against the car documentation; matching components support drivetrain authenticity but do not replace W-30 order paperwork. · Engine, transmission, and carburetor stampings or tags compared with original build card/build sheet, invoice, and ownership documentation. · numbers matching

Still Researching

rear axle Normalized factory standard and optional rear-axle families, ratios, and codes (including TM/3.42, SF/3.23 with A/C, TO/3.91 under RPO G88, W-27 aluminum options with SV/SX/SZ codes, and dealer-installed 4.33) are now cataloged. However, individual-car verification still requires original build sheets, broadcast cards, or a physical inspection of the stamped codes on the axle tube.
production The page records the W-30 configuration but does not assert exact production totals, body-style splits, or transmission splits from the checked sources.
paint colors The page lists representative Oldsmobile colors, not the complete 1970 color matrix or W-30 color totals.
interior The page includes broad shifter and trim context, but exact upholstery, console, gauge, and steering-wheel rows need trim-code support.
authenticity markers New corroborative restoration-source evidence narrows the paperwork facet: VIN/cowl-tag checks and numbers-matching engine/transmission/carburetor checks are useful, but original W-30 build-card/build-sheet or invoice documentation remains the unresolved proof boundary for an individual car. Decoded body, engine, intake, carburetor, transmission, and axle rows are still not normalized from factory or registry records.