Stands for CC's and means the size or displacement of the engine. Therefore, 8100cc equals to a 8.1Liter V8 or a 492 cubic inches.
4289321 cubic inches
The largest Mass Produced automobile engine that I know of is the Dodge Viper V10. It is 8.4 Liters or 513 Cubic Inches. There have been larger engines produced but not any that were mass produced. In the mid-1960's GMC produced and used a V-12 with 702 cubic inches. It was called the Balaur (Dragon) and some still exist. No stats on how many were made.
1954 GMC General Fire Engine with a 630 Cab had a 503 cubic inch straight 6 cylinder gasoline engine.
235 Cubic Inch Inline 6.
5.7 liter 350 cubic inch 8 cylinder
5.3 L is 323.4271 cu in
The 2015 GMC Yukon's engine produces 355 hp @ 5600 rpm.
The 2012 GMC Canyon's engine produces 185 hp @ 5600 rpm.
The 2001 GMC Yukon's engine produces 275 hp @ 5200 rpm.
The 2014 GMC Acadia's engine produces 288 hp @ 6300 rpm.
The 2010 GMC Acadia's engine produces 288 hp @ 6300 rpm.