If oil comes from dinosaur bones, then it's safe to assume prehistoric cars never broke down as long as they paid regular visits to the saber-toothed mechanic. Put the power of the T. rex in your engine with today's Groupon: for $25, you get a standard oil change at Auto Motion on Bayshore Boulevard (a $54.95 value).

Auto Motion, a large, independent garage, maintains the mechanisms of Bay Area domestics, imports, and hybrids so that drivers can roll out safely. Launching the standard oil change, old oil is drained and disposed, then replaced with up to five quarts of new juice to coat the throats of trusty iron steeds. The experienced hands of ASE-certified technicians then change the filter while their eyeballs give vital fluids—such as transmission, windshield, and radiator—checks and top-offs when necessary. Horseless carriages are asked to cooperate during thorough checkups, lifting their arms and legs as devoted mechanics investigate their air filters, batteries, belts, hoses, and wiper blades. Front and back windshields are scrubbed until sparkly clean, and, finally, a tire check and air pump up ensure buggies drive away feeling as appropriately buoyant as a foam flip-flops on the beach. Should the need for additional repairs present itself, Auto Motion will take 10% off fixy services.