1978 Cadillac Eldorado Custom Biarritz Classic Coupe. Special model edition only built in 1978, and only 2000 made for Cadillac by American Sunroof Corporation for the conversion to this coveted model. Only 475 with the Astroroof. The Custom Classic option cost $2466 extra. Paint codes: 62 - Arizona Beige and 64 - Demitasse Brown Metallic Vinyl Roof code: T - Light Beige Interior Trim code: 644 - Light Beige and Dark Saddle Leather. Final year for the big Eldo.126.3 inches, weighed 4,906 pounds, and had an overall width of 224.1 inches. Truly, a significant automobile. Power was provided by a 425 cubic inch V-8 engine with a compression ratio of 8.2:1 and a horsepower rating of 180 at 4,000 rpm. A very special final and spectacular edition Cadillac. Note: Photo is file footage, we have not had time to shoot actual car yet. Identical color and model however.