The 1999 Ford Explorer offered two gasoline engines: a 4.0-liter V6 and, on select trims, a 5.0-liter V8.
In that model year, Ford primarily equipped Explorers with a 4.0-liter V6 as the standard powerplant, delivering solid everyday performance. A 5.0-liter V8 was available as an upgrade on higher-trim models for customers who needed more towing capacity or stronger acceleration. Availability depended on the trim level and drivetrain, with four-wheel-drive configurations typically pairing with the V6 or V8 as chosen by the original buyer.
Engine options for the 1999 Explorer
The following engine choices were available in the 1999 Explorer lineup. This helps identify what you might expect under the hood based on trim and configuration.
- 4.0-liter V6 — Standard on most 1999 Explorers; a gasoline engine that balanced power for everyday driving with reasonable efficiency for an SUV of its size. Available with rear-wheel drive or four-wheel drive, depending on the model.
- 5.0-liter V8 — Optional on higher trims; offers more power and towing capability. Typically paired with an automatic transmission and available with four-wheel drive on select configurations.
In practice, most 1999 Explorers used the 4.0-liter V6, while a subset of higher-end trims could be equipped with the 5.0-liter V8 to boost performance and towing capacity. If you're evaluating a specific used Explorer, check the VIN or the owner's manual to confirm the exact engine and specifications for that vehicle.
Summary
For the 1999 Ford Explorer, the main gasoline power options were a 4.0-liter V6 as the standard engine and an optional 5.0-liter V8 on higher trims. The choice affected performance, towing potential, and fuel economy, with the V6 offering balanced everyday use and the V8 delivering enhanced power for those who needed it.