Oldsmobile Toronado buyer's guide

Overview

The Toronado (1966–78 in this span) was Oldsmobile's front-wheel-drive flagship and one of the most significant American cars of its century: the first mass-produced front-drive American car since the Cord, with a chain-driven Turbo-Hydramatic and the big Rocket V8 driving the front wheels in a sleek, hidden-headlight coupe. The first generation (1966–70) is the landmark — the 1966 car's design is a museum piece — and the second (1971–78) grew into the era's definitive personal-luxury car, sharing its E-body with the Eldorado. A Toronado is bought for its engineering theatre and its presence; its front-drive driveline is durable, specific, and the centre of the inspection.

Generations and year breaks

1966–1970 — the original

• The 1966 car: 425 Rocket power, the drum-speedometer, hidden lights and that fastback profile — a design and engineering landmark.
• The 455 replaced the 425 for 1968; the W-34 option (1968–70) added the hotter cam, dual exhausts and transmission tuning — the performance Toronado, verified by codes.
• Styling stayed close to the original through 1970; the '66 and the W-34 cars are the collector's picks.

1971–1978 — the big E-body

• The second generation shared the Eldorado's shell: formal, vast and luxurious, with the 455 (and the 403 in the late emissions years).
• The XS (1977–78, with its wraparound rear glass) and the XSR prototype story mark the end; the Brougham interiors define the era's luxury.

Engines and options that matter

• 425 (1966–67) and 455 (1968–76) — the big Rockets; the 455 is the better-supported and the torquier.
• W-34 — the performance package: verify the engine and transmission codes; the premium is real and so is the cloning incentive.
• 403 (1977–78) — the small-block substitute of the downsizing years; an honest engine in a car whose brief had become pure luxury.
• The driveline is the same TH425 chain-drive architecture throughout — its health is the Toronado question.

What to check before buying

• The front-drive unit: the chain drive and the final drive are durable but specialist; whine, shudder on take-off and dirty transmission fluid are the warnings. CV joints and the front wheel bearings carry the engine's weight and torque — inspect as wear items.
• Rust: floors, trunk, the rear quarters and the subframe's mounting structure; the first-gen cars' rear window channel and the vinyl-roof traps on the later cars.
• Numbers: the engine's partial VIN and codes at the front of the block; the VIN (door jamb on the early cars, dash later) and the cowl plate decode the car's specification — W-34 claims live here.
• Hidden headlights and vacuum: the 1966–70 cars' lamp doors and the era's vacuum accessories must all be demonstrated.
• Ride and brakes: these are heavy cars that ride on their front suspension; ball joints, torsion bars (the early cars use them) and the brakes' condition are a test drive's whole agenda.
• Parts: E-body support is shared with the Eldorado for the driveline and much else; Toronado-specific trim and first-gen panels are the hunts, with a devoted club scene as the resource.