Two years that changed cars forever: 1974 (bumpers) and '75 (smog
![](https://hagerty-media-prod.imgix.net/2021/01/HackMech_Two_Years_That_Changed_Cars_Thumb.jpg?auto=format%2Ccompress&fit=crop&h=769&ixlib=php-3.3.0&w=1024)
Rob Siegel looks at the impact of mandatory 5-mph bumpers and smog standards in the mid-1970s.
![](http://www.firebirdgallery.com/2nd%20Gen%20Images/79ta75.2.jpg)
1980s/1990s Cars Vintage?
![](https://i.redd.it/7spgayc8vtm11.jpg)
Barn find just rolled in for a complete detail. Hasn't been registered since 1984. : r/Justrolledintotheshop
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Two years that changed cars forever: 1974 (bumpers) and '75 (smog) - Hagerty Media
![](https://img.yumpu.com/34591466/1/500x640/drifter-the-sacramento-valley-region-porsche-club-of-america.jpg)
Drifter The - Sacramento Valley Region - Porsche Club of America
![](https://barnfinds.com/wp-content/uploads/2016/12/d1-2.jpg)
Wouldn't Take Much: 1974 Dodge Dart After 27 Years
![](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2015/03/1978-Matador.jpg)
Automotive History: Muscle Cars To Malaise Era - The Transition Years, 1969- 1974 - Curbside Classic
![](https://hagerty-media-prod.imgix.net/2021/01/Rob-Siegel-Two-years-that-changed-cars-forever-71_Dart_Rear_Bumper.jpg?auto=format%2Ccompress&fit=crop&h=451&ixlib=php-3.3.0&w=600)
Two years that changed cars forever: 1974 (bumpers) and '75 (smog) - Hagerty Media
![](https://www.carscoops.com/wp-content/uploads/2022/09/1973-bumpers-400x217.jpg)
50 Years Ago The NHTSA Tried To Make America's Cars Ugly, But Cars Fought Back
![](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2015/03/Muscle-Cars-Malaise-Era-Header.jpg)
Automotive History: Muscle Cars To Malaise Era - The Transition Years, 1969- 1974 - Curbside Classic
![](https://www.motortrend.com/uploads/sites/5/2005/10/c12_0612_readers_rides_03z-1974_Corvette_convertible-side_view.jpg?fit=around%7C875:492)
Your Classic Cars Photo Gallery