USA vs USA — 1959 vs 1957
| Invicta Convertible 401 | Colony Park 390 V8 Wagon | |
|---|---|---|
| Horsepower | 325 hp | 300 hp |
| Torque | 410 lb-ft | 400 lb-ft |
| Engine Size | 6,571 cc | 6,391 cc |
| 0-60 mph | 8.5 sec | 10.5 sec |
| Top Speed | 118 mph | 110 mph |
| ¼ Mile | 16.0 sec | 17.5 sec |
| Weight | 4,350 lbs | 4,500 lbs |
| Wheelbase | 3,150 mm | 3,048 mm |
| Length | 5,562 mm | 5,588 mm |
| Original MSRP | $3,515 | $3,600 |
| Value (Excellent) | $85,000 | $50,000 |
| Collectibility | 7/10 | 6/10 |
| Rarity | 7/10 | 5/10 |
The 1959 Buick Invicta Convertible 401 holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, stronger collectibility. That said, the 1957 Mercury Colony Park 390 V8 Wagon brings better value and remains a compelling choice for enthusiasts who value Mercury heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
The 1959 Buick Invicta Convertible 401 and 1957 Mercury Colony Park 390 V8 Wagon stand as two of the most notable Full-size cars from Post-war. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1959 Buick Invicta Convertible 401 holds a clear advantage in raw power with 325 hp compared to 300 hp, a 25-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Buick Invicta uses a V8 OHV (Buick 401 Nailhead) displacing 6,571 cc, while the Mercury Colony Park relies on a V8 OHV (FE-series 390) with 6,391 cc. In the sprint to 60 mph, the 1959 Buick Invicta Convertible 401 edges ahead at 8.5 seconds versus 10.5 seconds. On the collector market, the 1959 Buick Invicta Convertible 401 commands a significant premium over the 1957 Mercury Colony Park 390 V8 Wagon, reflecting differences in prestige and rarity.