Don’t confuse the SRT-4, SVT Focus, and MazdaSpeed Protegé with the tape-stripe and body-cladding specials. These sport compacts are the real deal.

These hot sport compacts have the competition reaching for the nitrous bottle.

What follows is a curated list of the most tune-friendly turbocharged engines for 2025 project car builds on a budget. Our selections were guided by key factors including robust factory internals ...

Shop Volkswagen GTI vehicles for sale under $5,000 at Cars.com. Research, compare, and save listings, or contact sellers directly from 12 GTI models nationwide.

To design an optimum engine intake system, a flow model for the intake manifold was developed by the method of characteristics. The flow in the intake manifold was one-dimensional, and finite ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power ...

Volkswagen Passat (2005 – 2011) handling and engines Engines range from 1.4 TSI to R36 Estate Readers report Real MPG to be between 20–67 mpg There's not much wind roar, tyre noise or engine noise.