1978 GMC Vandura G15 Rally 3MT
Unverified
Photo: 1984 Elite Class-C on GMC G3500 Vandura in Off-White, Front Left, 08-25-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
Photo: 1984 GMC G-2500 Vandura Starcraft conversion van, front left, 06-08-2024 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
Photo: 1990 GMC Vandura 2500 GT Series by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
Photo: When one is simply not enough... (6927841535) by Riley from Christchurch, New Zealand, CC BY 2.0, via Wikimedia Commons
Photo: 1984 GMC G-2500 Vandura Starcraft conversion van, rear left, 06-08-2024 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
Photos show the third generation (1971–1996); trim, color, and model year may differ.
All photo credits
- Photo: 1984 Elite Class-C on GMC G3500 Vandura in Off-White, Front Left, 08-25-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1984 GMC G-2500 Vandura Starcraft conversion van, front left, 06-08-2024 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1990 GMC Vandura 2500 GT Series by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
- Photo: When one is simply not enough... (6927841535) by Riley from Christchurch, New Zealand, CC BY 2.0, via Wikimedia Commons
- Photo: 1984 GMC G-2500 Vandura Starcraft conversion van, rear left, 06-08-2024 by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
The 1978 GMC Vandura G15 Rally 3MT is a 115-hp 4.1-liter inline-6 with a 3-speed manual and rear-wheel drive. It is rated at 20 mpg combined.
It makes 115 horsepower at 3,800 rpm and 195 lb-ft of torque at 1600 rpm. EPA fuel-economy estimates are 17 mpg city and 24 mpg highway (20 mpg combined).
The Vandura measures 178.2 inches long on a 110.0-inch wheelbase.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Van |
| Powertrain | Gas |
| Engine | |
| Engine Type | 250 cu in (4.1L) OHV inline-6 |
| Displacement | 4.1 L |
| Horsepower | 115 hp @ 3,800 rpm |
| Torque | 195 lb-ft @ 1600 rpm |
| Valvetrain | OHV, 2 valves/cylinder |
| Bore and Stroke | 98.4 x 89.7 |
| Compression Ratio | 8.0:1 |
| Injection Type | 1-barrel carburetor |
| Drivetrain | |
| Drive Type | RWD |
| Differential Type | Hypoid |
| Transmission | |
| Transmission | 3-speed manual |
| Final Drive | 3.08 |
| Fuel Economy | |
| City | 17 MPG |
| Highway | 24 MPG |
| Combined | 20 MPG |
| Recommended Fuel | Unleaded regular |
| Tank Capacity | 21 gal |
| Suspension | |
| Front Suspension | Independent coil springs |
| Rear Suspension | Semi-floating live axle, two-stage multi-leaf springs |
| Brakes | |
| Front Brake Disc | Power disc |
| Rear Brake Disc | Drum |
| Tires & Wheels | |
| Wheels Front | 15-in. |
| Wheels Rear | 15-in. |
| Tires Front | G78-15B |
| Tires Rear | G78-15B |
| Dimensions & Weight | |
| Length | 178.2 in |
| Width | 79.5 in |
| Height | 79.4 in |
| Wheelbase | 110 in |
Similar cars
Rivals to the 1978 GMC Vandura G15 Rally 3MT with similar size, power and price from around the same years.
Safety & Recalls
No NHTSA data available for the 1978 GMC Vandura.
Source: US National Highway Traffic Safety Administration (nhtsa.gov). US-market vehicles only; data cached for up to 7 days.