When we compare the Mercedes-Benz SLC's and the Audi TT's specifications and ratings, the Mercedes-Benz SLC has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency and base engine power. The Audi TT has the advantage in the area of resale value. Based on this comparison of the Mercedes-Benz SLC's and the Audi TT's specifications and ratings, the Mercedes-Benz SLC is a better car than the Audi TT.
Mercedes-Benz SLC vs. Audi TT Pricing
A used 2020 Mercedes-Benz SLC ranges from $37,090 to $52,996 while a used 2020 Audi TT is priced between $38,999 to $47,446.
Mercedes-Benz SLC vs. Audi TT Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the Mercedes-Benz SLC loses 44.6 percent of its value and the Audi TT loses 43.8 percent of its value. This means the Audi TT retains 0.8 percentage points more of its value and has the advantage of higher resale value versus the Mercedes-Benz SLC.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Mercedes-Benz SLC’s base engine makes 241 horsepower, and the Audi TT base engine makes 228 horsepower. The SLC is rated to deliver an average of 27 miles per gallon, with a highway range of 509 miles. The TT is rated to deliver an average of 26 miles per gallon, with a highway range of 450 miles. This gives the Mercedes-Benz SLC the fuel efficiency and maximum range advantage over the Audi TT. The SLC uses premium unleaded, and the TT uses regular unleaded.