1951 Buick XP-300 Concept Car. The ‘Inside Story’ of Buick’s ‘Experimental Laboratory on Wheels’ Published March 27, 2024 at 2048 × 1523 in Buick ← Previous Next → 1951 Buick XP-300 Concept Car. The ‘Inside Story’ of Buick’s ‘Experimental Laboratory on Wheels’ Source: www.flickr.com / Alden Jewell