Fuel Economy / MPG » 8
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GREEN | 8 out of 10
2012 Kia Rio automatic: 28 mpg city, 36 highway
2012 Kia Rio manual: 29 mpg city, 37 highway
No worries, as the 5-door scooted around other traffic with the heart of a determined champion and delivered an average for the trip of just over 35 mpg according to the on-board trip computer.
the Rio and Accent tie for second in fuel mileage ratings among all 2012 small cars that are non-hybrid and gasoline-powered.
The acronym stands for "Idle Stop and Go," which is a fuel-saving system that turns off the engine when the car is stopped and seamlessly turns it on again when the brake pedal is released. This eco-smart mechanism is good for approximately one more mpg across the board, according to Kia.
Kelley Blue Book
The traffic-congested streets and freeways near our office did our fuel economy no favors, so the best we could manage was about 25 mpg in mixed driving conditions.
Economy cars are hitting new gas-mileage heights these days, and the Kia Rio hatchback and sedan are right there with the class leaders.
The Rio comes in two body styles, and its four-cylinder engine can be paired with a six-speed manual or a six-speed automatic. Automatic versions of the Rio punch in at 28 mpg city, 36 highway, while manual versions get 29/37 mpg.
A word about why smaller cars score lower here than slightly larger cars. In a word, aerodynamics. Light weight and small-displacement engines go a long way toward producing good fuel economy, but ultimately, a car's shape and size plays a role. The Rio's just too short and upright to generate the smooth shape it needs to cut wind resistance to Elantra-like level--and as a result, its gas mileage is roughly equal to that of its compact-car cousin.
The 2012-2013 Kia Rio is one of a set of vehicles found to have overstated fuel-economy numbers. Kia initially submitted figures of 30/40 mpg and 33 mpg combined (34-mpg combined with the manual) to the EPA, which allows automakers to self-certify fuel economy. On a confirmation check of several vehicles, the EPA found the Rio's actual tested fuel economy to be 28/36 mpg (31 combined) with the automatic transmission or 29/37 (32 combined) with the manual transmission. The 2013 Rio Eco model was also downgraded, from an original 31/40 mpg (34 combined) to 30/36 mpg (32 combined). Owners can register with Kia to receive reimbursement for the gas consumed above and beyond expected levels; more details are found at KiaMPGInfo.com.
Kia's experimenting with stop/start technology, but it's icing on the cake: all Rios get great EPA ratings.