What is the 78s car?

3 Answers
LeKathryn
07/25/25 1:38pm
78S is an abbreviation used by car enthusiasts to refer to the BMW 7 Series, Audi A8L, and Mercedes-Benz S-Class. Below are the specific introductions: 1. BMW 7 Series: The BMW 7 Series is BMW's top-tier luxury sedan series, featuring a 4-door sedan body style and a front-engine, rear-wheel-drive layout. It serves as the flagship model of BMW, exclusively available in sedan form. 2. Audi A8L: The Audi A8L is the most premium luxury car in Audi's lineup, positioned in the market to compete with the Mercedes-Benz S-Class and BMW 7 Series. The Audi A8 pioneered the use of an all-aluminum body, which not only enhances durability but also reduces weight, delivering superior performance. 3. Mercedes-Benz S-Class: The Mercedes-Benz S-Class represents the pinnacle of luxury in the Mercedes-Benz lineup. With its elegant and stable exterior design and luxurious features, the S-Class has won the admiration of many successful individuals.
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MollyRose
08/11/25 2:19pm
Actually, the code name '78s' isn't specifically associated with any particular car model in the automotive circle. I suspect it might be a case of your friend mixing up the car name or a typo. A common scenario is people mistyping the Porsche 718 as 78s—the 718, that little sports car, is indeed quite famous, with its mid-engine, rear-wheel-drive layout making it exceptionally agile to drive. Especially the Boxster convertible version, which feels absolutely exhilarating with the top down on coastal roads. Additionally, Mercedes-Benz S-Class models are sometimes referred to by their chassis codes, like W126, but I've never heard of a '78s' designation. If you recall more details such as the shape of the emblem or the era, it might help narrow down the specific model.
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BryceFitz
09/27/25 7:53am
Last time I also saw someone in the car enthusiast group asking about 78s, only to find out he meant the BMW 78 Series Touring. But honestly, codes like 78 aren't mainstream in car naming conventions - they're more like internal development codes. Nowadays, new electric vehicles tend to favor numeric naming, like the Li Auto L7/L8. I'd suggest checking the front fascia design or interior features - veteran car fans should recognize it. If all else fails, checking the VIN on the vehicle's nameplate is the most reliable method - the 10th digit letter indicates the model year.
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