basically it had a heavier duty suspension and bigger brakes and the 440 engine with dual exhaust, it was an upscale satellite with better interior and more ginger bread on the outside of the car.
the GTX was the upscale satellite with more options as the roadrunner was just basically a cheap performance car as some of them had no radio, no carpeting and push out rear windows.
the Gt is a 2.4 liter and the GTX is a 2.2liter
a satellite is your lower model car with smaller engines and transmissions and rearends compared to a gtx which was top dog in the Plymouth b bodie line in 69 gtx had 440 or the awesome 426 hemi heavy duty 727 transmission or 883 4 spd and the Dana 60 rearend plus heavy duty suspension all put in a loaded interior and exterior package.
There's the possibility that the Sport Satellite could have a 318 in it instead of the big block 383 or 440. I could be wrong, but I don't think any GTX's had 318's. Of course, the trim package would be different too. The GTX should have heavier torsion bars and suspension parts too. I'm 50 years old and have never heard of a Sport Satellite GTX. It's either one or the other. Im not sure completely on the Sport Satellite but, the Satelite I believe were all 383 cars with optional trans and rear end and the GTX came with 440 only, the trans and rear end where the options. Other than that it was trim packages and suspension differences. He's correct. It's either a Sport Satellite (SS) or a GTX, not both, but the SS came with a 318 also and the GTX came with the 440 and the 426 Hemi Just to confirm this answer...I am 49 yrs old and I owned a cherry 1969 Sport Satellite with a 318... (back in 1978). I sold it a few years later. It was gun metal blue and nicknamed "BC" (for "Boulevard Cruiser"). I was 18 yrs. old and it was my first car. I bought for $400.00 cash. I would love to find a mint GTX with a 426 Hemi. From '68 onwards the standard engine in a Sport satellite was the 318. The 383 became an option.
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figure close to 3,900 lbs.
the chevelle
The GTX appealed to a more upscale crowd, had upgraded trim and engine selections over the Road Runner, which appealed more to the budget-minded drag-racing crowd and was a much more stripped-down car by comparison.
the gtx is a 2 door and sometimes convertable depending on the model, and the SE is just the normal 4 door, could be automatic or transmission pontiacs are weird like that.... My '96 SE is only a two door. There are also SE four doors. I understand that the GTX usually has the bigger engine and perhaps some suspension upgrades.
a highly customized 1970 Plymouth Satellite using lots of Roadrunner and GTX trim. The vehicle was built by Pure Vision, has been dubbed "Hammer" and was completed for the 2004 SEMA show. The build was followed by TLC's "Rides" and more information/pictures can be found at purevisiondesign.com
MSI NVIDIA GeForce GTX 680. gpuboss . com/gpus/GeForce-GTX-970-vs-GeForce-GTX-680
GTX comes with a hemi standard. Roadrunner does not. Actually the standard engine for the GTX was the 440-4bbl, the 426 HEMI was an option, throughout it's entire production run as a stand-alone model from 67-71'. The 440 6bbl was also available as an option in 70-71'. The GTX was considered the "Gentleman's muscle car" as it had a higher trim level and price tag. The Road Runner in those years was initially a bare-bones/big motor version of the GTX, 383HP being the standard engine in 68', the 426 Hemi and, from 69 1/2', the 440 6bbl were optional up until 71'. It was marketed toward a younger crowd. For 72-74', with the GTX discontinued as a stand-model, Road Runners ordered with the optional 440HP engine were called a "Road Runner GTX".