1977 GMC C-K Pickup K15 4MT
Unverified
Photo: 1979 GMC 1500 High Sierra 4WD Wideside Long Box in Camel Iridescent & Neutral Cream Two-Tone, Front Left, 06-03-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
Photo: 1979 GMC C-3500 Sierra Grande regular cab, front left, 08-06-2023 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
Photo: GMCHighSierra by dave_7, CC BY 2.0, via Wikimedia Commons
Photo: 1979 GMC 1500 High Sierra 4WD Wideside Long Box in Camel Iridescent & Neutral Cream Two-Tone, Rear Left, 06-03-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
Photos show the third generation (1973–1980) (1973–1980); trim, color, and model year may differ.
All photo credits
- Photo: 1979 GMC 1500 High Sierra 4WD Wideside Long Box in Camel Iridescent & Neutral Cream Two-Tone, Front Left, 06-03-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1979 GMC C-3500 Sierra Grande regular cab, front left, 08-06-2023 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
- Photo: GMCHighSierra by dave_7, CC BY 2.0, via Wikimedia Commons
- Photo: 1979 GMC 1500 High Sierra 4WD Wideside Long Box in Camel Iridescent & Neutral Cream Two-Tone, Rear Left, 06-03-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
The 1977 GMC C-K Pickup K15 4MT is a 110-hp 4.1-liter inline-6 with a 4-speed sm465 floor-shift manual and four-wheel drive.
It makes 110 horsepower at 3,800 rpm and 195 lb-ft of torque at 1600 rpm.
The C-K Pickup measures 191.5 inches long on a 117.5-inch wheelbase.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Pickup |
| Powertrain | Gas |
| Engine | |
| Engine Type | 250 CID OHV inline-6, 1-bbl |
| Displacement | 4.1 L |
| Horsepower | 110 hp @ 3,800 rpm |
| Torque | 195 lb-ft @ 1600 rpm |
| Valvetrain | OHV, 2 valves/cylinder |
| Bore and Stroke | 98.4 x 89.7 mm |
| Injection Type | 1-barrel carburetor |
| Drivetrain | |
| Drive Type | 4WD |
| Transmission | |
| Transmission | 4-speed SM465 floor-shift manual |
| 1st Gear | 6.55 |
| 2nd Gear | 3.58 |
| 3rd Gear | 1.7 |
| 4th Gear | 1 |
| Reverse | 6.09 |
| Final Drive | 4.11 |
| Fuel Economy | |
| Recommended Fuel | Unleaded regular |
| Suspension | |
| Front Suspension | Hypoid driving axle, leaf springs |
| Rear Suspension | Semi-floating live axle, leaf springs |
| Tires & Wheels | |
| Tires Front | L78-15B |
| Tires Rear | L78-15B |
| Dimensions & Weight | |
| Length | 191.5 in |
| Wheelbase | 117.5 in |
| Approach Angle | 32° |
| Departure Angle | 23° |
Similar cars
Rivals to the 1977 GMC C-K Pickup K15 4MT with similar size, power and price from around the same years.
Safety & Recalls
No NHTSA data available for the 1977 GMC C-K Pickup.
Source: US National Highway Traffic Safety Administration (nhtsa.gov). US-market vehicles only; data cached for up to 7 days.