| Model Year | 1991 | Make | GMC |
| Model | Syclone | Trim Level | Base |
| Manufactured in | UNITED STATES | Body Style | REGULAR CAB PICKUP 2-DR |
| Engine Type | 4.3L V6 | Driveline | rear-wheel drive |
| Tank | 20.00 gallon | City MPG | miles/gallon |
| Highway MPG | miles/gallon | Anti-Brake System | 4-Wheel ABS |
| Steering Type | Recirc | Front Brake Type | Disc |
| Rear Brake Type | Drum | Turning Diameter | 37.70 in. |
| Front Suspension | Ind | Rear Suspension | Live |
| Front Spring Type | Torsion Bar | Rear Spring Type | Leaf |
| Tires | 245/50VR16 | Front Headroom | 39.10 in. |
| Rear Headroom | in. | Front Legroom | 42.50 in. |
| Rear Legroom | in. | Front Shoulder Room | 54.20 in. |
| Rear Shoulder Room | in. | Front Hip Room | 50.50 in. |
| Rear Hip Room | in. | Curb Weight | 3850 lbs |
| Curb Weight | lbs | Overall Length | 180.50 in. |
| Overall Width | 68.20 in. | Overall Height | 60.00 in. |
| Wheelbase | 108.30 in. | Ground Clearance | in. |
| Track Front | in. | Track Rear | in. |
| Cargo Length | in. | Width at Wheelwell | in. |
| Width at Wall | in. | Depth | in. |
| Standard Seating | 2 | Optional Seating | |
| Passenger Volume | cu.ft. | Cargo Volume | cu.ft. |
| Standard Towing | lbs | Maximum Towing | lbs |
| Standard Payload | lbs | Maximum Payload | lbs |
| Standard GVWR | lbs | Maximum GVWR | lbs |
| Warranty Duration | month | Warranty Distance | mile |
| Powertrain Warranty Duration | month | Powertrain Warranty Distance | mile |
| Rust-duration | month | Rust-distance | mile |
| MSRP | $25,500 USD | Dealer Invoice | USD |
| Destination Charge | USD | Child Safety Door Locks | N/A |
| Locking Pickup Truck Tailgate | N/A | Power Door Locks | Std. |
| Vehicle Anti-Theft | N/A | 4WD/AWD | N/A |
| ABS Brakes | Std. | Automatic Load-Leveling | N/A |
| Electronic Brake Assistance | N/A | Limited Slip Differential | N/A |
| Locking Differential | N/A | Traction Control | N/A |
| Vehicle Stability Control System | N/A | Driver Airbag | N/A |
| Front Side Airbag | N/A | Front Side Airbag with Head Protection | N/A |
| Passenger Airbag | N/A | Side Head Curtain Airbag | N/A |
| Second Row Side Airbag | N/A | Second Row Side Airbag with Head Protection | N/A |
| Electronic Parking Aid | N/A | First Aid Kit | N/A |
| Trunk Anti-Trap Device | N/A | Keyless Entry | N/A |
| Remote Ignition | N/A | Air Conditioning | Std. |
| Separate Driver/Front Passenger Climate Controls | N/A | Cruise Control | Std. |
| Tachometer | Std. | Tilt Steering | Std. |
| Tilt Steering Column | N/A | Heated Steering Wheel | N/A |
| Leather Steering Wheel | N/A | Steering Wheel Mounted Controls | N/A |
| Telescopic Steering Column | N/A | Adjustable Foot Pedals | N/A |
| Genuine Wood Trim | N/A | Tire Pressure Monitor | N/A |
| Trip Computer | N/A | AM/FM Radio | N/A |
| Cassette Player | Std. | CD Player | N/A |
| CD Changer | N/A | DVD Player | N/A |
| Voice Activated Telephone | N/A | Navigation Aid | N/A |
| Second Row Sound Controls | N/A | Subwoofer | N/A |
| Telematics System | N/A | Driver Multi-Adjustable Power Seat | N/A |
| Front Cooled Seat | N/A | Front Heated Seat | N/A |
| Front Power Lumbar Support | N/A | Front Power Memory Seat | N/A |
| Front Split Bench Seat | N/A | Leather Seat | N/A |
| Passenger Multi-Adjustable Power Seat | N/A | Second Row Folding Seat | N/A |
| Second Row Heated Seat | N/A | Second Row Multi-Adjustable Power Seat | N/A |
| Second Row Removable Seat | N/A | Third Row Removable Seat | N/A |
| Cargo Area Cover | N/A | Cargo Area Tiedowns | N/A |
| Cargo Net | N/A | Load Bearing Exterior Rack | N/A |
| Pickup Truck Bed Liner | N/A | Power Sunroof | N/A |
| Removable Top | N/A | Manual Sunroof | N/A |
| Automatic Headlights | N/A | Daytime Running Lights | N/A |
| Fog Lights | N/A | High Intensity Discharge Headlights | N/A |
| Pickup Truck Cargo Box Light | N/A | Running Boards | N/A |
| Front Air Dam | N/A | Rear Spoiler | N/A |
| Skid Plate | N/A | Splash Guards | N/A |
| Wind Deflector for Convertibles | N/A | Power Sliding Side Van Door | N/A |
| Power Trunk Lid | N/A | Alloy Wheels | Std. |
| Chrome Wheels | N/A | Full Size Spare Tire | N/A |
| Run Flat Tires | N/A | Steel Wheels | N/A |
| Power Windows | Std. | Electrochromic Exterior Rearview Mirror | N/A |
| Glass Rear Window on Convertible | N/A | Heated Exterior Mirror | N/A |
| Electrochromic Interior Rearview Mirror | N/A | Power Adjustable Exterior Mirror | N/A |
| Deep Tinted Glass | N/A | Interval Wipers | N/A |
| Rain Sensing Wipers | N/A | Rear Window Defogger | N/A |
| Rear Wiper | N/A | Sliding Rear Pickup Truck Window | N/A |
| Tow Hitch Receiver | N/A | Towing Preparation Package | N/A |
