2010 Audi S4

Cars.com's Joe Wiesenfelder takes a look at the 2010 Audi S4. It competes with the BMW M3, Cadillac CTS-V, Lexus IS-F and Mercedes C63 AMG. Videographer: Matthew Avery Producer: Eric Rossi

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2010 Audi S5
Cars.com's Kelsey Mays takes a look at the 2010 Audi S5. It competes with the BMW 3 Series coupe and Mercedes-Benz E-Class coupe. Produced by: Matt Avery

2015 Performance Coupe Challenge: Acceleration
The Cadillac ATS-V, BMW M4 and Lexus RC F are stealthy performance packages over their non-performance counterparts, so it’s easy to fly under the radar until an in-the-know gearhead spots the M, V or F badges and excitedly shouts at a stoplight, “How fast is it?!” So, how fast are they, really? We measured zero-to-60-mph and quarter-mile acceleration along with 60-mph-to-zero braking distances at the Byron Dragway in Byron, Ill.

2015 Lexus RC 350 F-Sport
Lexus is back in the sport coupe game with the RC. Between the base and the highest-performance models is the RC 350 F Sport, which is the base RC 350 with the F Sport Package. We'll help you decide which of the three versions might be right for you.

2015 Performance Coupe Challenge
There’s a small group of cars that are as at home on the track as on the daily commute and they won’t break the bank. Our goal here was to test three of them against each other -- on the street and on the track -- and find out which one carried the day. The BMW is an established contender, but the other two are new. The contenders: • 2015 BMW M4 • 2016 Cadillac ATS-V • 2015 Lexus RC F We put the three coupes through a week’s worth of testing. Here’s how they finished.