This Blazer's party trick — a tailgate glass that retracted by crank or motor — was also its weak point: the crank gears wore out and the motor loved to overheat and fail.
Median 107 hp across 73 similar cars
Lead trim: 250 inline-six (105 hp, 1973–78) · up to 210 hp
Chevrolet K5 Blazer "square body"1973–1991
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Nobody in Burbles has spotted a Chevrolet K5 Blazer "square body" yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactThis Blazer's party trick — a tailgate glass that retracted by crank or motor — was also its weak point: the crank gears wore out and the motor loved to overheat and fail.
The full-size Blazer through GM's 1973 "Rounded Line" ("square body") redesign of its full-size trucks, also sold as the GMC Jimmy and as the K-Blazer, V-Blazer and simply "Full-Size" Blazer; rear-wheel-drive Blazers were built to 1982 but most sold were four-wheel drive. A tilt wheel became optional in 1973. Popular Science's 1973 test of a 175 hp 350 with automatic and full-time 4WD took 22.5 s for 0–60 mph. Engines from the 250 inline-six to the 400 V8 (1975–79, 4WD only), plus a 6.2 L Detroit Diesel from 1982; throttle-body injection came in 1987.
Collectors Spotted in the Chevrolet K5 Blazer Lineage
No member has published a public street spot of the Chevrolet K5 Blazer yet — the First · Worldwide stamp is wide open.
Trims & Figures
10 published trims in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| 250 inline-six (105 hp, 1973–78) | 1973–1978 | 4.1 L Inline-6 | 105 hp | 185 lb-ft | — | — | — | — |
| 250 inline-six (130 hp, 1979–82) | 1979–1982 | 4.1 L Inline-6 | 130 hp | 210 lb-ft | — | — | — | — |
| 305 V8 (160 hp Federal, 1981–86) | 1981–1986 | 5.0 L V8 | 160 hp | 235 lb-ft | — | — | — | — |
| 305 V8 throttle-body injection (170 hp, 1987) | 1987–1987 | 5.0 L V8 | 170 hp | 260 lb-ft | — | — | — | — |
| 305 V8 two-barrel (130 hp, 1977–82) | 1977–1982 | 5.0 L V8 | 130 hp | 240 lb-ft | — | — | — | — |
| 307 V8 (115 hp, 1973) | 1973–1973 | 5.0 L V8 | 115 hp | 205 lb-ft | — | — | — | — |
| 350 V8 (160 hp, 1973–86) | 1973–1986 | 5.7 L V8 | 160 hp | 275 lb-ft | — | — | — | — |
| 350 V8 throttle-body injection (210 hp, 1987–91) | 1987–1991 | 5.7 L V8 | 210 hp | 300 lb-ft | — | — | — | — |
| 400 V8 (185 hp, 1975–79, 4WD only) | 1975–1979 | 6.6 L V8 | 185 hp | 300 lb-ft | — | 4WD | — | — |
| 6.2 Detroit Diesel V8 (135 hp, 1982–91, 4WD only) | 1982–1991 | 6.2 L V8 | 135 hp | 240 lb-ft | — | 4WD | — | — |
Owning one
An estimate, for the 250 inline-six (105 hp, 1973–78) trim: fuel on its EPA figure and a dated national price, upkeep on a per-mile average for the kind of car it is.
Owners’ builds
Nobody has claimed one yet.
Photographs
After 23 years as a modified pickup with a removable top, the final full-size Blazer gave up the gimmick entirely — GM just handed it a sealed, permanent roof borrowed straight from the Suburban.
This Blazer's party trick — a tailgate glass that retracted by crank or motor — was also its weak point: the crank gears wore out and the motor loved to overheat and fail.
The first K5 Blazer could be ordered so bare-bones that both the roof and the passenger seat were optional extras, not standard equipment.
Rivals
Same body, same money, other badges — tap any card to flip.
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Rear passengers get a 17.3-inch screen that extends from the roof, and a lidar sensor sits in the front of the roof.
Its range-extender variant is rated for 1,200 km on a tank and charge, over three times the car's electric-only range.