1988 GMC R15 Suburban 2WD
Fuel Economy Overview
The 1988 GMC R15 Suburban 2WD achieves an EPA-estimated 17 MPG in combined city and highway driving, with 15 MPG in the city and 21 MPG on the highway. Powered by a 6.2L 8-cylinder engine paired with a automatic 4-spd, this special purpose vehicle 2wd features Rear-Wheel Drive drive.
In terms of environmental impact, the 1988 R15 Suburban 2WD produces approximately 599 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this R15 Suburban 2WD has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $4,750, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $13,000 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
5-Year Total Cost of Ownership
Recall Intelligence
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
Consequence & Remedy
Consequence: THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.
Remedy: INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEHICLE.
DRIVERS SEAT AND/OR SHOULDER BELT LOCKING MECHANISM MAY NOT OPERATE.
Consequence & Remedy
Consequence: IN A CRASH, AFFECTED BELTS WOULD NOT LOCK, THEREBYINCREASING THE POSSIBILITY OF INJURY TO THE SEAT OCCUPANT.
Remedy: INSTALL A NEW DRIVERS SEAT BELT ASSEMBLY.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all GMC R15 Suburban 2WD configurations.
Similar 1988 Special Purpose Vehicle 2WD Alternatives
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4.5L 8-cyl Front-Wheel Drive
1988 Chevrolet R10 Suburban 2WD
6.2L 8-cyl Rear-Wheel Drive
1988 Ford Bronco II 2WD
2.9L 6-cyl Rear-Wheel Drive
1988 Grumman Allied Industries LLV
2.5L 4-cyl Rear-Wheel Drive
1988 Chevrolet S10 Blazer 2WD
2.8L 6-cyl Rear-Wheel Drive
1988 Chevrolet S10 Blazer 2WD
2.8L 6-cyl Rear-Wheel Drive
Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)