1974 GMC Suburban C25 3MT
Unverified
All photo credits
- Photo: Chevrolet Suburban en Mästerby by Bene Riobó, CC BY-SA 4.0, via Wikimedia Commons
- Photo: GMC Suburban (6938210537) by dave_7 from Lethbridge, Canada, CC BY-SA 2.0, via Wikimedia Commons
- Photo: GMC Suburban (43780495152) by Thomas Vogt from Paderborn, Deutschland, CC BY-SA 2.0, via Wikimedia Commons
- Photo: Chevrolet Suburban, 33-YD-49 (51305411465) by louisznl from Netherlands, CC BY 2.0, via Wikimedia Commons
- Photo: Chevrolet Suburban, 33-YD-49 (51304401791) by louisznl from Netherlands, CC BY 2.0, via Wikimedia Commons
The 1974 GMC Suburban C25 3MT is a 160-hp 5.7-liter V8 with a 3-speed manual, column-shift, fully synchronized and rear-wheel drive.
It makes 160 horsepower at 3,800 rpm and 250 lb-ft of torque at 2400 rpm.
The Suburban measures 219.1 inches long on a 129.5-inch wheelbase.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | SUV |
| Powertrain | Gas |
| Engine | |
| Engine Type | 350 CID OHV V8, 4-bbl |
| Displacement | 5.7 L |
| Horsepower | 160 hp @ 3,800 rpm |
| Torque | 250 lb-ft @ 2400 rpm |
| Valvetrain | OHV, 2 valves/cylinder |
| Bore and Stroke | 101.6 x 88.4 mm |
| Compression Ratio | 8.5:1 |
| Injection Type | 4-barrel carburetor |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 3-speed manual, column-shift, fully synchronized |
| Final Drive | 3.73 |
| Fuel Economy | |
| Recommended Fuel | Unleaded or low-lead, 91 RON |
| Tank Capacity | 24 gal |
| Suspension | |
| Front Suspension | Independent Girder Beam, coil springs |
| Rear Suspension | Live axle, two-stage multi-leaf springs |
| Front Stabilizer Bar | Standard |
| Brakes | |
| Front Brake Disc | Disc, power-assist |
| Rear Brake Disc | Finned drum |
| Tires & Wheels | |
| Tires Front | 8.75-16.5C |
| Tires Rear | 8.75-16.5C |
| Dimensions & Weight | |
| Length | 219.1 in |
| Width | 79.6 in |
| Wheelbase | 129.5 in |
| Cargo Volume | 143.5 ft³ |
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
No recalls on file with NHTSA for the 1974 GMC SUBURBAN.
1 owner complaint to NHTSA for the 1974 GMC SUBURBAN
Owner Complaints
1 owner complaint filed with NHTSA for the 1974 GMC SUBURBAN. See all on nhtsa.gov
| Hydraulic | 1 |
| Service Brakes | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1974 GMC SUBURBAN. US-market vehicles only; data cached for up to 7 days.