06 and up wrx has a 25l but different blocks are used and different heads. 1the sti produces more horsepower than the wrx 2the sti produces more torque than the wrx 3the sti is equipped with si drive while the wrx isnt 4the sti has a 6 speed manual transmission while the wrx has a 5 speed manual transmission 5the sti has better suspension than the wrx 6the.
Subaru Wrx Sti Review Autocar
Difference between wrx and sti engine. The 2018 subaru wrx is considered an exceptionally safe vehicle by the insurance institute for highway safety iihs. With the newer stis over the wrx the major difference is turbo size intercooler size and suspension pieces. Subaru wrx vs sti. Wrx has a more efficient better engine which equates to better mpg and reliability. Difference between subaru wrx and sti summary table. It is powered by subarus four cylinder.
On the standard wrx youll find a 20 liter direct injected turbocharged four cylinder engine. That motor is capable of up to 268 hp. So whats the. Take the official wrx wrx sti guided tour by subaru of america to see why this years new 2017 wrx is the best handling and best performing wrx ever. Ive heard the wrx engine does better with mods and can actually handle higher horsepower than the sti. This engine is a 25l power source and the result is 310 horsepower.
The reason for the difference in performance is due to the advanced engine in the sti. There is plenty different and plenty the same. The wrx comes with 17 inch wheels and performance tires. The sti also features brembo brakes 19 inch wheels and an upgraded suspension system. The list would be so big it would be crazy. The sti trim uses a larger 25 liter h4 that generates 305 horsepower and 290 lb ft of torque.
But honestly if high horsepower is highest on priority list youre really looking at the wrong cars. The regular trim is powered by a 20 liter h4 that produces 268 horsepower and 258 lb ft of torque. And as much as 250 lb ft. The 2019 sti version gets a larger more powerful engine. Theres a premium version that comes standard with 18 inch wheels. Along with a smaller turbo on the wrx and intercooler.
The subaru wrxis a turbocharged version of the subaru impreza. Compare all the wrx and sti engine specs like drive train stability and fuel economy to find the perfect car for your lifestyle. Has a 268 horsepower 20 liter boxer engine capable of producing 258 lb ft of torque.
Gallery of Difference Between Wrx And Sti Engine
