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Starting in 2020 Chevy will be adding a turbocharged 2.0L four-cylinder engine to the Blazer lineup that will come standard on the 2LT and 3LT trims.

It's estimated to produce 230hp and 258 lb-ft of torque, putting it in between the base 2.5-liter four-cylinder engine and the 3.6 liter V-6.

Just like Chevy fixing the auto start/stop issue, why wasn't this done last year when the Blazer first went on sale?

The Chevrolet Blazer just hit the scene for 2019, but it is already adding a new engine for its second model year. The 2020 Blazer will offer a turbocharged 2.0-liter inline-four with 230 horsepower and 258 lb-ft of torque, Chevy has confirmed to C/D. This slots in nicely between the current base engine, a naturally aspirated 2.5-liter inline-four with 193 hp, and the upgrade engine, a 3.6-liter V-6 with 308 hp.

Like those other two engines, the new turbo-four will come with a nine-speed automatic transmission and offer engine stop-start capability. Unlike the base four-cylinder, which comes only with front-wheel drive, the new 2.0-liter motor can be paired with the optional all-wheel drive system. It will come standard on 2LT and 3LT trim levels; the base Blazer L and LT still come only with the 2.5-liter engine, and the Blazer RS and Premier models come only with the 3.6-liter V-6.

Chevy has not yet released fuel-economy estimates or pricing for the new 2.0-liter engine, but we assume it will start somewhere in the mid-$30,000 range (the current Blazer 2LT with a V-6 and front-wheel drive starts at $34,495). Fuel economy should sit somewhere between the 2.5L Blazer, which is rated at 24 mpg combined, and the 3.6L Blazer, which gets 22 mpg combined with front-wheel drive and 21 mpg combined with all-wheel drive.
 

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Why is the HP so low? I had a 2.0T in my 2008 HHR SS and it was 250HP and then I added the GM Stage kit and it got bumped to 300HP. Maybe they do not want it to be too close to the HP of the V6 or was done for fuel economy reasons.
 

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Why is the HP so low? I had a 2.0T in my 2008 HHR SS and it was 250HP and then I added the GM Stage kit and it got bumped to 300HP. Maybe they do not want it to be too close to the HP of the V6 or was done for fuel economy reasons.
The original HHR SS Turbo 2.0L used and oversized turbocharger that the supplier had overbuilt and offered to GM at a reduced price. Most of the engine development had been completed with a smaller (but more costly) turbo. Regular production began with the lower cost/oversized turbo for the relatively low number of HHR SS Turbos expected in production.
A group in GM Powertrain- High Performance Vehicle Operations or HPVO- was tasked with using the extra boost to produce a Stage Kit sold to enthusiasts through GM Performance Parts. The engineer driving that package (Bill N) used the higher pressure to optimize the packages performance. A chip provided higher boost, optimal spark and fuel to reach the 300HP level. The entire package then when run through regular dynamometer durability testing to insure compliance with engine warranty. The ‘Kit’ was only available via GM Performance Parts. The HHR SS with the Turbo 2.0L and Stage Kit was thus born.
 

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The original HHR SS Turbo 2.0L used and oversized turbocharger that the supplier had overbuilt and offered to GM at a reduced price. Most of the engine development had been completed with a smaller (but more costly) turbo. Regular production began with the lower cost/oversized turbo for the relatively low number of HHR SS Turbos expected in production.
A group in GM Powertrain- High Performance Vehicle Operations or HPVO- was tasked with using the extra boost to produce a Stage Kit sold to enthusiasts through GM Performance Parts. The engineer driving that package (Bill N) used the higher pressure to optimize the packages performance. A chip provided higher boost, optimal spark and fuel to reach the 300HP level. The entire package then when run through regular dynamometer durability testing to insure compliance with engine warranty. The ‘Kit’ was only available via GM Performance Parts. The HHR SS with the Turbo 2.0L and Stage Kit was thus born.
... here's mine Image on 2021-05-23 at 22-54-36.png
 
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