Ken L. Kelzer is the global vehicle chief engineer for rear wheel drive and performance cars, so it’s only right that Lou Ann Hammond, CEO, www.drivingthenation.com, sat down with Kelzer to talk about the performance of the 2013 Cadillac ATS.

Kelzer talks about the all new, lightweight, rear-wheel-drive architecture that is one of the lowest curb weights in the segment. On average the ATS weighs less than 3,400 pounds. The actual numbers are:

2.5L rear-wheel drive / automatic – (3315 pounds)
2.0 Turbo rear-wheel drive / automatic – (3373 pounds)
2.0 Turbo rear-wheel drive / manual – (3403 pounds)
2.0 Turbo all-wheel drive / automatic – (3543 pounds)
3.6L rear-wheel drive / automatic – (3461 pounds)
3.6L all-wheel drive / automatic – (3629 pounds)

With all the power behind the ATS you are going to need some sturdy brakes. The ATS offers four-wheel disc brakes with sliding calipers on the base; four-channel ABS/TCS w/DRP; and the ultimate Brembo brakes with fixed calipers on Luxury, Performance and Premium collections

This lightweight car combined with the right engine gives the ATS some impressive fuel economy numbers
EPA-estimated fuel economy (city / hwy):
2.0L Turbo direct injection VVT:
21 / 31 (automatic – rear-wheel drive)
20 / 30 (automatic – all-wheel drive)

2.5L inline-4 direct injection VVT:
22 / 33

3.6L V-6 direct injectin VVT:
19 / 28 (rear-wheel drive)
18 / 26 (all-wheel drive)

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