Next-Gen Wrangler to Lose Weight, Add Updated Transmissions, Engines by CLittle | Jul 7, 2014 | News Expect the 2017 Jeep Wrangler to lose weight and gain new engines transmissions to improve fuel economy. Because the current Jeep Wrangler suffers from poor overall fuel economy, the <a class="colorbox" …read more Share this:FacebookTwitterPinterest