How much horsepower does a CSX have?
There is no single horsepower figure for a CSX. Horsepower depends on the engine installed and the era of the car. Classic CSX Cobras typically ranged from about 271 horsepower with the 289 Hi-Po engine to roughly 425–485 horsepower with the 427 engine, while modern CSX recreations can vary widely depending on engine swaps and tuning.
Understanding the CSX designation and its power ranges
The CSX prefix identifies Shelby Cobra chassis numbers rather than a single fixed model. The most famous CSX cars were built around two main engine families—the 289 cubic-inch V8 and the 427 cubic-inch V8—each delivering distinct horsepower profiles. This section breaks down representative power ranges for these classic CSX cars and notes how modern reproductions can differ.
Classic CSX Cobra engine options and horsepower
Representative power ranges for early CSX Cobras, illustrating how horsepower varied by engine family. Figures cited reflect historical ratings and are commonly cited in reliable sources; modern measurements can differ slightly due to rating standards and restoration choices.
- CSX 289 Cobra (289 cubic inches): approximately 271 horsepower (SAE gross) in the high-performance configuration; some variant configurations could push toward the low- to mid-300s.
- CSX 427 Cobra (427 cubic inches): roughly 425 horsepower in standard street specification; certain versions or tuning approaches have been cited near 485 horsepower.
- Beyond these two core options, other, less common engine configurations existed, but the 289 and 427 were by far the most prevalent for CSX-era Cobras.
These figures illustrate the broad spectrum of horsepower associated with the CSX designation. The exact horsepower for any given CSX depends on the specific engine build, carburetion, compression, exhaust, and whether the rating is gross or net.
Modern CSX reproductions and restomods
Today, many CSX-branded cars are reproductions or restomods based on the Cobra concept, with a wide array of powertrain choices. This section outlines what horsepower you might encounter in contemporary CSX-inspired builds.
- Original-style CSX recreations using period-correct engines: horsepower typically aligns with historical ranges for the 289 and 427 families (around 271 hp for 289 Hi-Po; about 425–485 hp for 427).
- Restomods and modern engine swaps: horsepower commonly ranges from roughly 450 hp to 900+ hp, depending on the chosen powertrain, forced induction, and tuning.
Because CSX is a chassis designation rather than a single fixed specification, modern CSX builds show a wide spectrum of horsepower outcomes driven by engine choice, aftermarket parts, and tuning philosophy.
Bottom line
The horsepower of a CSX depends entirely on the engine installed and the era. Classic CSX Cobras with the 289 engine typically produced around 271 horsepower (gross) in the Hi-Po configuration, while the iconic CSX 427 Cobras were rated around 425–485 horsepower depending on the version. Modern CSX reproductions and restomods can exceed these figures, with some builds delivering 700 horsepower or more, up to 900+ horsepower in highly tuned setups.
Additional considerations
When assessing horsepower for a CSX, consider the measurement standard (gross vs net), the exact engine variant, and whether the car is an original-era Cobra or a modern recreation. Real-world performance also depends on weight, aerodynamics, gearing, and drivetrain, not horsepower alone.
Summary
CSX horsepower is not a fixed value. Classic CSX Cobras centered on two primary engines—the 289 and the 427—yielding roughly 271 hp and 425–485 hp, respectively. Modern CSX recreations span a wide range, from historically accurate figures to highly boosted builds that push well over 700 hp. If you specify a particular CSX model or year, I can provide a more precise horsepower figure based on that configuration.
How much horsepower does a CSX train engine have?
CSX's most powerful locomotives are the GE AC6000CW, which have a horsepower rating of 6,000 hp. However, many of these locomotives have since been de-rated and reclassified, with some now operating at approximately 4,600 hp under new model designations.
- Original Power: The GE AC6000CW was originally designed to have 6,000 horsepower, making it one of the most powerful single-engine diesel locomotives.
- Reclassification: Some of these locomotives were later re-classed by CSX as ES46AC and ES46AH models after being de-rated.
- Current Power: As re-classified locomotives, they are now listed as having around 4,600 horsepower.
How much horsepower does a 2007 Acura CSX have?
All models use a 2.0-litre four-cylinder engine that makes 155 hp in the base and Premium levels, and 197 hp in the Type-S.
How much horsepower does a 2011 Acura CSX have?
155 horsepower
Producing 155 horsepower and 139 lb. -ft. of torque, the CSX's 2.0-litre, i-VTEC engine enables you to rule the road with high-torque output at low speeds and an exhilarating boost of acceleration at a range of higher speeds.
How much horsepower does the CSX have?
155 hp
The CSX shares some features with the JDM Civic, most notably the 2.0 L DOHC i-VTEC engine rated at 155 hp (116 kW) at 6,000 rpm and 139 lb⋅ft (188 N⋅m) at 4500 rpm.
