Buick Regal 2018 - Page 367

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-10999315) -
2018 - CRC - 9/11/17
366 Technical Data
Engine Specificati ons
Engine VIN Code Transmission Spark Plug Gap
2.0L L4 Engine (LTG) X Automatic 0.75–0.90 mm (0.030–
0.035 in)
3.6L V6 Engine (LGX) S Automatic 0.80–0.90 mm (0.031–
0.035 in)