The 1987 Chevrolet Suburban is a full-size SUV based on Chevrolet’s square-body truck platform, built for towing, hauling, and carrying large families or work crews. It’s part of the R/V-series era (often grouped with the 1973–1991 body style), known for simple mechanicals, body-on-frame strength, and abundant parts availability. Ideal buyers include classic SUV enthusiasts, overland and camping builders, and anyone needing a roomy, durable utility vehicle with old-school serviceability. In the market, it’s valued for longevity and capability, with condition and rust status often mattering more than mileage.

1) Full-size, body-on-frame utility: Truck-based construction with a long wheelbase and spacious rear cargo area, making it well-suited for towing, gear-heavy trips, and multi-row seating. 2) Engine options (varies by trim and market): Common V8 choices for this era include the 5.0L (305) and 5.7L (350) small-blocks, with many Suburbans also equipped with big-block power like the 7.4L (454) depending on configuration. These engines are widely supported and relatively straightforward to service. 3) Rear-wheel drive or 4x4 capability: Many 1987 Suburbans were equipped with part-time four-wheel drive, popular for snow, job sites, and off-pavement use, and typically paired with a strong truck-style transfer case. 4) Heavy-duty running gear: Designed around Chevrolet truck components, with robust axles, cooling capacity on many towing-oriented builds, and a suspension tuned for load carrying rather than car-like handling. 5) Practical interior and visibility: An upright seating position, large glass area, and simple controls appeal to owners who prefer a functional cabin over modern complexity.

When searching “1987 Chevrolet Suburban reliability,” most owners point to the strong drivetrain fundamentals, but age-related wear is the biggest factor today. Here are common complaints and failures associated with the 1987 Chevrolet Suburban, especially as mileage climbs past 100,000–150,000 miles (or sooner if maintenance was neglected): 1) Cooling system weakness and overheating: Radiators, fan clutches, water pumps, and old hoses can lead to higher operating temps, especially during towing or hot-weather idling. A marginal cooling system can show up as overheating in traffic or rising temps on grades. 2) Carburetion and fuel delivery drivability issues: Many trucks of this era use carbureted setups, and owners frequently report hard starting, rough idle, hesitation, or stalling when the carb is dirty, out of adjustment, or when vacuum leaks develop. Aging fuel pumps and clogged filters can also mimic carb problems. 3) Automatic transmission wear (if equipped): Slipping, delayed engagement, or harsh shifts can appear around 120,000–180,000 miles, particularly on vehicles used for towing without regular fluid changes or adequate cooling. A tired transmission can also be aggravated by incorrect TV cable adjustment on certain GM automatics. 4) Rust and body corrosion: One of the most common “1987 Chevrolet Suburban problems” is rust—floor pans, rocker panels, rear quarter areas, tailgate, and body mounts are frequent trouble spots, especially in salt states. Structural rust can turn a good-running truck into an expensive project.