GMC Syclone
The limited-production 1991 GMC Syclone is a legendary sleeper truck that's famous for its Ferrari-beating acceleration. Its turbocharged all-wheel-drive powertrain and extreme rarity make it a highly sought-after collector's item.
GMC Syclone sold for a median of $32,000 over the last 12 months, based on 13 auction sales; the middle 50% sold between $28,125 and $40,251. 94 currently for sale.
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GMC Syclone prices by year
| Year | Median (3 yrs) | Middle 50% | Sales (3 yrs) | For sale now |
|---|---|---|---|---|
| 1991 | $40k | $31k–$56k | 55 | 37 |
Auction sales in the last 3 years; prices leave out salvage and other branded titles.
Listings
In 1991, GMC offered a pickup that could out-accelerate a Ferrari 348. The Syclone packed a turbocharged and intercooled 4.3L V6 rated at 280 horsepower and 350 lb-ft of torque. It sent power through a 4-speed automatic to a performance-oriented all-wheel-drive system, resulting in 0-60 mph times under 5 seconds. Production was limited to just 2,995 units for the 1991 model year, all finished in black.
The Syclone's combination of rarity, world-beating performance, and its status as a factory-built muscle truck makes it a 90s icon. It was a bold statement from GMC and one of the first trucks to prioritize on-road speed over utility. For collectors, it represents a unique moment in performance history and a high point for factory sleepers.
The market for Syclones has matured rapidly. Once an affordable cult classic, values have climbed steadily, with the average transaction price now sitting near $45,000. Exceptional, low-mileage examples have broken the six-figure barrier, cementing the Syclone's position as a blue-chip collector vehicle.
Buying Tips
- Check the Kelsey-Hayes ABS for a faulty accumulator, often indicated by a constantly running pump or warning lights.
- Inspect the unique body cladding for fading, cracks, or damage, as replacement parts are scarce and expensive.
- Examine the frame, cab corners, and rocker panels for rust, which can be hidden by the lower body cladding.
- Favor stock or well-documented examples, as many were modified for more power, sometimes with poor results.
- Test the 4-speed 700R4/4L60 transmission for smooth shifts, as it can be a weak point, especially on modified trucks.
Prices range from $8,200 for project trucks to $175,000 for top-tier collector examples.
290 GMC Syclone vehicles have been tracked across auctions and listings on Hypercars, with 94 currently live.
Data sourced from auction results and dealer and private listings, including Bring a Trailer, Cars & Bids, Mecum, RM Sotheby’s and eBay Motors. Updated daily.
Frequently Asked Questions
How much does a GMC Syclone cost?
Over the last 12 months, GMC Syclone sold for a median of $32,000 across 13 auction sales tracked on Hypercars; the middle 50% sold between $28,125 and $40,251. There are 94 currently for sale.
How many GMC Syclone listings are for sale right now?
There are 94 GMC Syclone listings currently live across auctions, dealers, and marketplaces tracked by Hypercars.