Here's the updated spreadsheet. In addition to adding the Vibe and a Silverado, I threw in a Geo Metro, which you can pick up at the used car lot for $3000 or less. But I wouldn't want a Geo Metro, and I have no clue what it can tow, but just for grins and giggles... here it is...
Aveo $12170 Max tow(unbraked): ? lbs, 27/37 annual fuel: $1824, 5 year total: $21290
Ford Fiesta (UK) $17700 Max tow(unbraked): 1650 lbs, 50/61.9 annual fuel: $1208, 5 year total: $23740
Cobalt XFE $15070 Max tow(unbraked): 1000 lbs, 27/36 annual fuel: $1844, 5 year total: $24290
Ford Focus $14395 Max tow(unbraked): ? lbs, 24/35 annual fuel: $2000, 5 year total: $24395
Matrix/Vibe $16190 Max tow(unbraked): 1500 lbs, 26/32 annual fuel: $1976, 5 year total: $26070
Corolla $17550 Max tow(unbraked): 1102 lbs, 26/35 annual fuel: $1908, 5 year total: $27090
Scion XB $15650 Max tow(unbraked): not rec'd lbs, 22/28 annual fuel: $2305, 5 year total: $27175
Prius $21500 Max tow(unbraked): 1000 lbs, 48/45 annual fuel: $1177, 5 year total: $27385
Ranger 2wd 4cyl auto $14330 Max tow(unbraked): 1000 lbs, 19/24 annual fuel: $2677, 5 year total: $27715
HHR $16730 Max tow(unbraked): ? lbs, 22/30 annual fuel: $2243, 5 year total: $27945
Tacoma 2wd 4cyl auto $14965 Max tow(unbraked): ? lbs, 19/25 annual fuel: $2634, 5 year total: $28135
PT Cruiser $15955 Max tow(unbraked): ? lbs, 21/26 annual fuel: $2441, 5 year total: $28160
Camry 4cyl $18570 Max tow(unbraked): 1000 lbs, 21/31 annual fuel: $2273, 5 year total: $29935
Jetta TDI $23000 Max tow(unbraked): 1560 lbs, 30/43 annual fuel: $1899, 5 year total: $32495
Silverado 2wd 6cyl auto $18515 Max tow(unbraked): ? lbs, 15/20 annual fuel: $3320, 5 year total: $35115
Fusion Hybrid $28000 Max tow(unbraked): 1000 lbs, 33/34 annual fuel: $1660, 5 year total: $36300
Fusion $25000 Max tow(unbraked): 1000 lbs, 20/28 annual fuel: $2441, 5 year total: $37205
Forester $25000 Max tow(unbraked): 2400 lbs, 20/26 annual fuel: $2515, 5 year total: $37575
Forester Diesel $28000 Max tow(unbraked): 2400 lbs, 26/33.8 annual fuel: $2279, 5 year total: $39395
Honda Odyssey $25860 Max tow(unbraked): ? lbs, 16/23 annual fuel: $3018, 5 year total: $40950
Volt $40000 Max tow(unbraked): ? lbs, 150/150 annual fuel: $368, 5 year total: $41840
Mike...
The quality is remembered long after the price is forgotten, so build your teardrop with the best materials...