How much horsepower does a 1999 Chevy S10 4.3 have?
The 1999 Chevy S-10 with the 4.3-liter V6 is rated at 190 horsepower (SAE net) and about 260 lb-ft of torque, numbers that defined its mid-size pickup performance that year.
Behind this figure lies the engine known as the Vortec 4300, a tried‑and‑true V6 that emphasized torque for everyday driving, towing, and workhorse reliability. The 1999 model year offered the 4.3-liter V6 in both two‑wheel and four‑wheel drive configurations, typically paired with a four‑speed automatic transmission or, less commonly, a manual option depending on the trim and market. As with many engines of its era, the exact horsepower and torque can vary slightly based on emissions equipment and drivetrain, but the SAE net rating remained around 190 hp.
Key specifications
Below are the core specifications that defined the 4.3L V6 in the 1999 S-10.
- Displacement: 4.3 L (262 cu in)
- Engine family: Vortec 4300 V6
- Horsepower (SAE net): 190 hp
- Torque: approximately 260 lb-ft
- Configuration: OHV V6 with sequential multi-point fuel injection
- Drivetrain options: available in 2WD and 4WD configurations
These specifications reflect the typical equipment for the 1999 S-10’s 4.3L V6 across common trims; individual trucks may vary by drivetrain and emission controls.
Context and impact
In the late 1990s, the 4.3L V6 powered a large portion of the S-10 lineup with a focus on low- to mid-range torque rather than top-end horsepower. This made the truck well-suited for hauling, towing light loads, and steady daily driving. The combination of 190 hp and robust torque helped the S-10 feel nimble for its class while delivering the durability expected from General Motors’ Vortec family during that era.
Summary
The 1999 Chevy S-10's 4.3L V6 delivered about 190 horsepower and around 260 lb-ft of torque, providing solid mid-range performance and practical capability for daily driving and light-duty work. While not a high-revving performance engine, its power delivery was well-matched to the S-10’s design and purpose, contributing to its popularity in the late 1990s.
How much horsepower does a 1999 Chevy 4.3 have?
The optional engine is 4.3-liter V-6 that produces 180 horsepower (190 horsepower in four-wheel-drive models) at 4,400 rpm and 245 pound-feet of torque (250 pound-feet in 4x4s) at 2,800 rpm.
What were the common problems with 99 S10?
Top 1999 Chevrolet S10 Problems
- ABS Light Due to Brake System Control Unit Failure.
- Internal Faults in Distributor Can Cause Engine Problems.
- Fuel Level Sensor Failure.
- Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure.
- Heater Core Under Right Side of Dashboard May Leak Engine Coolant.
How much horsepower does a 1999 Chevy S10 V-6 have?
overview
| Length | 190.1 |
|---|---|
| Engine Name | 2.2L inline 4-cylinder, Optional 4.3L V6 |
| Trim | Base Regular Cab |
| Horsepower | 120, Optional 180@5000, Optional 4400 |
| Body Style | Truck |
How much horsepower does a 4.3 V-6 S10 have?
The Chevrolet S10's 4.3L V6 engine typically produced between 180 and 200 horsepower, depending on the model year and configuration. Early models and some 2WD versions might produce around 180-190 hp, while four-wheel-drive or specific S-10 SS models could reach up to 200 hp.
- 180 hp: This was a common rating for 2WD models and many years of production, with torque around 245 lb-ft.
- 190 hp: Some models, particularly four-wheel-drive S10s or Blazer versions, produced 190 hp and 250 lb-ft of torque.
- 200 hp: This higher output was sometimes found in certain models, especially the S-10 SS or the larger Silverado 1500.
