For 1962 came Skylark and Particular DeLuxe convertibles, an elective Borg-Warner 4-speed gearbox -- and more than 42,000 Buick compact sales. For mid-'fifty five came four-door Riviera hardtop sedans in the Particular and Century collection; Tremendous and Roadmaster variations followed for '56. Model adjustments have been few however interesting: pillarless 4-door wagons for Century and Particular, plus a Series seventy five Roadmaster Riviera hardtop coupe and xây nhà trọn gói Bình Phước sedan.