GM eyes the mpg crown for revamped Suburban, Tahoe
For the first time since the 1990s, the big SUVs will be available with a thrifty diesel engine — a 3.0-liter turbocharged inline six-cylinder.
For the first time since the 1990s, the big SUVs will be available with a thrifty diesel engine — a 3.0-liter turbocharged inline six-cylinder.