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Boxborough, MA


Acton, MA


N. Hampton, NH


Spencer, MA

1977 Cadillac Coupe DeVille

Stock # 6670666D47S7E667066425 cu in 7.0 L L33/L35 V8 engineAutomaticSeamist Green exterior

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AlphaCars & Motorcycles (Spencer, MA)
116 Main Street
Spencer, MA 01562

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  • Model: Coupe
  • Trim: DeVille
  • Body: Coupe
  • Exterior: Seamist Green
  • Interior: Antique Dark Green
  • Stock#: 667066
  • VIN #: 6D47S7E667066
  • Mileage: 47862
  • Engine: 425 cu in 7.0 L L33/L35 V8
  • Drive: Rear Wheel Drive

Amazing! This 1977 Cadillac Coupe DeVille transports you to a different era when Personal Luxury Coupes were all the rage, and Cadillac ruled the roost. 1977 was Cadillac's 75th anniversary, which they celebrated with an all-new design - the last of the classic, rear-wheel-drive Coupe DeVilles. Most have been lost to time and rot, but the loving care lavished on this Coupe is immediately apparent. All electrics work, the paint gleams, the vinyl roof is complete, the opera lights shine, and the Vintage Green leather is ready to cradle you in traditional American comfort. Paperwork includes maintenance history for the last decade and original sales receipt. With few survivors, this Coupe DeVille is a special find!

This Cadillac was sold new in August 1977 through an NJ Cadillac dealership. It was taken to Arizona by the original owners when they retired a year later. It was traded at a GMC/Buick/Pontiac dealership and was purchased by the second owner, who brought it back to the east coast to enjoy as a collector vehicle. He drove this Coupe DeVille sparingly while still providing excellent maintenance with his local family mechanic. He recently traded it in to AlphaCars with another lovely Cadillac toward a late model S-Class.

This Coupe Deville amazes all with its exceptional condition. The Vintage Green paint Chrome is bright and clean. The massive amount of chrome is free of pitting; trim badges, wheel covers, mirrors, and shine brightly and line up perfectly. The pinstriping is crisp, like new. We have noted some cosmetic paintwork to the left front fender, which was blended into the car's left side during the first owner's tenure. The work is nearly impossible to catch and matches beautifully. All panels are straight, and all panels show factory-correct gaps. The landau roof vinyl fits tightly, with clean stitching and straight trim. The color is uniform, and there are no rips, tears, or scratches. There is no rust. Rocker panels, fender bottoms, door bottoms, and quarter panels are original. All lights work, including the opera lights and hood-mounted indicator repeaters.

Underhood is impressive. No rust. Plastic reservoirs are clear and uncracked. You can still see factory anodization on the carburetor. All body panel and trim hardware are untouched, keeping with the accident-free history. The coil, distributor, and plug wires have been replaced and wires routed correctly. All hoses are soft and pliable, and there are no leaks of any kind.

Underneath is a similar story, with factory hardware throughout untouched. There are no oil, radiator, or transmission leaks. All numbers match. The factory Y-pipe, catalytic convertor, and bracket are factory original. The frame is straight and clean, and the floorboards are fantastic, with no rust. All suspension components, tie-rods, and the idler arm are tight. The original brake and fuel lines are in fantastic condition. The cross member is solid. All fittings to trim and bumpers show no wrench marks and are exactly as they were when they left the factory. The bumper energy absorbers have never moved, meaning no one has even so much as tapped a bumper. The fuel tank is clean and solid. We have installed a brand new tailpipe. There is some light surface rust on some surfaces, but nothing to compromise any system or component. Wheel wells are clean and rust-free, as are all lower body panels, and the original pinch welds are visible. We have gone an extra step, adding an underbody treatment to displace any moisture, repel future moisture contact, and stop the advancement of any corrosion.

The interior delights with high-quality leather & carpets. The door cards are in fantastic condition; all chrome and panels are tight and clean; the door light lenses are intact & clear. The door pulls are tight, and the door panel controls all work perfectly. All other interior electronics work, including gauges, radio, automatic climate control...even the clock! The A/C has been upgraded to modern R-134. There are no strange odors in the cabin. Aside from a small crack in the dash pad and another on the steering wheel horn button trim, all trim is just as it left the factory. Leather seating surfaces are impeccable, with slight wear only on the driver seat left bolster. Seating foam is plush yet firm and supportive. The headliner is in excellent condition, with no stains and only a small area of easily repairable sagging toward the rear seat.

We encourage you to review the in-depth videos detailing the exterior, interior, engine, underbody, and driving conditions.

Step back in time! It starts by opening the long door, which is heavy but glides easily on its hinges and shuts with a solid thunk. The key goes into the ignition easily, which is tight and twists easily. The 7.0 liter V-8 starts immediately and idles like a fuel-injected motor. The transmission shifts easily into gear without any clunks or shudders. Pulling away reveals immediate acceleration, no hesitation, and butter-smooth shifts. Dipping into the throttle deeper gives a solid downshift and strong, linear power. The steering is light and responsive to the touch. There is no slack, and the Coupe DeVille changes direction accurately. The suspension gives a pillow smooth ride over all road surfaces. There are no noises from the suspension, and the cabin is quiet. Brakes are strong, well balanced, and the car tracks straight under both acceleration and braking. The entire driving experience is a like-new car; incredible considering it is over 40 years old.


We performed a comprehensive vehicle inspection. Our master technician checked the entire vehicle. The vehicle was road-tested, and all functions were checked, including electrical, driveline, and accessories. All maintenance and service updates were completed, as well as Concours-level reconditioning and detailing work.
Service Status: All Maintenance items are up to date.

$ ...280 Comprehensive Vehicle Inspection
$ .....74 Door Lock Switch
$ ...294 Recharge Air Conditioning System
$ ...260 Replace Tailpipe
$ ...522 Clean Body

$ ...417 Underbody Rust Preventive Treatment
$ ...232 Exterior & Interior Detailing
$ 2,079 Total, Value Added Improvements

Tires: Goodyear
Front: 9/32" Material Remaining
Rear: 9/32" Material Remaining

Front: 85% Material Remaining
Rear: 60% Drum Shoe Material Remaining

We go a major step further than your typical pre-owned dealership. Using a sophisticated Paint Meter tool (by Elcometer), we tested each metal body panel.

Metal Panels - Paint Readings (Mils):
2.5 Hood
3.0 Fender, Right

3.5 Door, Right
3.0 Quarter, Right
3.0 Trunk Lid
5.0 Quarter, Left
4.0 Door, Left
3.5 Fender, Left
Factory Readings Range: 2.5 - 5.5 mils.


For over 30 years, we have been a leader indelivering quality and value.Genuineenthusiasm, unparalleled product & technicalknowledge, transparency,unconditional dedication to the highest imaginable standards for our hand-selected vehicle are just some of thevirtues that made uswho we are today. These standards are maintained with no deviation - each vehicle must pass a rigorous technical inspection followed by the most thorough service work and concourse level detailing. With an outstanding selection of exciting vehicles, we are the best choice. Whether you are in theearlystages of research or ready to make a purchase, we are here for you.

Expect to Be Impressed! This is one of the fine vehicles from our hand-selected inventory. Work with a knowledgeable and reputable team of professionals from AlphaCars & Motorcycles. We appreciate your business and will handle your transaction with expertise. Give us a call and see how buying a vehicle can be enjoyable and fun!

Because of the extensive inspection process we perform, each car is pre-qualified for the industry’s best-extended vehicle care coverage through CNA Insurance.

You can take advantage of our attractive low-rate financing options. Our access to a wide variety of Credit Unions can provide financing for most credit levels. We can tailor a finance package to fit your needs. To get started, complete our secure online credit application.

We also offer transportation arrangements through a network of insured and reliable shippers for your precious purchase.

See Dealer for in-stock inventory & actual selling price. All inventory is subject to prior sale, prices are subject to change without notice, and odometer readings may vary. Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Your actual mileage will vary, depending on specific options selected, how you maintain the vehicle and your personal driving habits. Images displayed may not represent the actual trim level of a vehicle. The colors shown are the most accurate representations available. However, due to the limitations of the web and monitor color display, we cannot guarantee that the colors depicted will exactly match the color of the vehicle. Certain offers may not be combined with others. Under no circumstances will we be liable for any inaccuracies, claims, or losses of any nature. Please verify the information accuracy before purchasing with the Dealer. All prices do NOT include tax, title, registration fees, and a dealer documentation fee of $595.00. The “Price” listed for new Royal Enfield Motorcycles does NOT include destination fee ($450), assembly & setup labor ($245), and a dealer documentation fee of $595.00. The dealer documentation fee offsets the cost of generating paperwork necessary to complete the sale and all related communications with your insurance provider and banking institution and the compliance costs for keeping the records. We make every effort to present accurate information.