USA vs USA — 1958 vs 1969
| Impala SS 409 | Blazer K5 CST | |
|---|---|---|
| Horsepower | 425 hp | 255 hp |
| Torque | 425 lb-ft | 340 lb-ft |
| Engine Size | 6,702 cc | 5,735 cc |
| 0-60 mph | 6.3 sec | 10.5 sec |
| Top Speed | 125 mph | 95 mph |
| ¼ Mile | 14.2 sec | 17.5 sec |
| Weight | 3,800 lbs | 4,250 lbs |
| Wheelbase | 2,997 mm | 2,642 mm |
| Length | 5,398 mm | 4,597 mm |
| Original MSRP | $3,261 | $2,580 |
| Value (Excellent) | $150,000 | $85,000 |
| Collectibility | 8/10 | 8/10 |
| Rarity | 7/10 | 6/10 |
The 1958 Chevrolet Impala SS 409 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1969 Chevrolet Blazer K5 CST brings better value and remains a compelling choice for enthusiasts who value Chevrolet heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
The 1958 Chevrolet Impala SS 409 and 1969 Chevrolet Blazer K5 CST share a manufacturer in Chevrolet, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Chevrolet brand. The 1958 Chevrolet Impala SS 409 holds a clear advantage in raw power with 425 hp compared to 255 hp, a 170-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Chevrolet Impala uses a V8 OHV (W-series big-block) displacing 6,702 cc, while the Chevrolet Blazer relies on a V8 OHV with 5,735 cc. In the sprint to 60 mph, the 1958 Chevrolet Impala SS 409 edges ahead at 6.3 seconds versus 10.5 seconds. The Chevrolet Impala carries a weight advantage, tipping the scales 450 lbs lighter. Whether you prioritize driving dynamics, heritage, or aesthetic appeal, both contenders make a strong case for themselves.