from Bankrate.com
1- Ford 250 crew cab 4X4, 7 per 1,000
2- Chevrolet Silverado 1500 crew cab, 6.7 per 1,000
3- Chevrolet Avalanche, 6.1 per 1,000
4- GMC Sierra crew cab, 6 per 1,000
5- Ford F350 crew cab 4X4, 5.6 per 1,000
6- Cadillac Escalade 4X4, 5.5 per 1,000
7- Chevrolet Suburban, 5.4 per 1,000
8- GMC Sierra extended cab, 4.7 per 1,000
9- GMC Yukon, 4.5 per 1,000
10- Chevrolet Tahoe, 4.4 per 1,000
1- Ford 250 crew cab 4X4, 7 per 1,000
2- Chevrolet Silverado 1500 crew cab, 6.7 per 1,000
3- Chevrolet Avalanche, 6.1 per 1,000
4- GMC Sierra crew cab, 6 per 1,000
5- Ford F350 crew cab 4X4, 5.6 per 1,000
6- Cadillac Escalade 4X4, 5.5 per 1,000
7- Chevrolet Suburban, 5.4 per 1,000
8- GMC Sierra extended cab, 4.7 per 1,000
9- GMC Yukon, 4.5 per 1,000
10- Chevrolet Tahoe, 4.4 per 1,000