USA vs USA — 1970 vs 1965
| Rallye 350 310hp | Skylark GS Stage 1 400 | |
|---|---|---|
| Horsepower | 310 hp | 345 hp |
| Torque | 390 lb-ft | 440 lb-ft |
| Engine Size | 5,735 cc | 6,555 cc |
| 0-60 mph | 7.0 sec | 6.0 sec |
| Top Speed | 122 mph | 125 mph |
| ¼ Mile | 15.1 sec | 13.9 sec |
| Weight | 3,300 lbs | 3,500 lbs |
| Wheelbase | 2,845 mm | 2,845 mm |
| Length | 5,080 mm | 5,067 mm |
| Units Produced | 3,547 | 10,743 |
| Original MSRP | $3,253 | $3,167 |
| Value (Excellent) | $65,000 | $95,000 |
| Collectibility | 7/10 | 8/10 |
| Rarity | 8/10 | 7/10 |
The 1965 Buick Skylark GS Stage 1 400 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1970 Oldsmobile Rallye 350 310hp counters with lighter weight, greater rarity, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
The 1970 Oldsmobile Rallye 350 310hp and 1965 Buick Skylark GS Stage 1 400 stand as two of the most notable Muscle Car cars from Muscle era. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1965 Buick Skylark GS Stage 1 400 holds a clear advantage in raw power with 345 hp compared to 310 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Oldsmobile Rallye 350 uses a V8 OHV displacing 5,735 cc, while the Buick Skylark GS relies on a V8 OHV (Buick 400 Stage 1) with 6,555 cc. In the sprint to 60 mph, the 1965 Buick Skylark GS Stage 1 400 edges ahead at 6.0 seconds versus 7.0 seconds. Both cars have earned their place in automotive history and continue to captivate enthusiasts around the world.