Features and specs for the 2011 Hyundai Sonata including fuel economy, transmission, warranty, engine type, cylinders, drive train and more. Hyundai Sonata Recall Issued Due to Steering Problems with 2011 Vehicles September 29, 2010 Written by: Staff Writers 99 Comments; About 139,500 Hyundai Sonatas. «2011 Sonata Overview; Complaints 1K; Crash Tests 5; Sonata Recalls 9; Defect Investigations 1; TSBs 62; Lemon Law; CarComplaints.com Notes: The 2011 Sonata has a. I have a 2011 Hyundai Sonata se, I have brought it to the dealership 3 times with the same issue. I know there is something wrong with the transmission and they keep.
Hyundai Sonata Review and Rating. Those eagerly looking forward to our next hybrid family sedan comparison have to wait just a bit longer — this Hyundai Sonata Hybrid we recently tested is a pre- production model. To start, Hyundai slightly revised its estimated fuel economy numbers for the Sonata Hybrid to 3. Against the likes of the Ford Fusion Hybrid and Toyota Camry Hybrid, the highway number is right at the top of the class. Then there’s range. Given the Sonata Hybrid’s 1.
Vacationing families and business road warriors will enjoy blowing past all those gas pumps. Improved fuel economy obviously doesn’t materialize out of thin air. Hyundai’s Direct Hybrid Blue Drive system earns its keep as a full parallel setup with an actual step- ratio automatic transmission, a departure from the continuously variable transmissions common in most hybrids.
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But the Sonata Hybrid’s six- speed automatic is missing one key ingredient: a torque converter. In its place is the keystone of this hybrid’s operation: an electric traction motor rated at 4. Because the motor is synced directly to the transmission, a clutch latches to and unlatches from the gasoline- fed 2. As you’d expect from a hybrid, the Atkinson- cycle variant from Hyundai’s Theta II family has been optimized for maximum efficiency. Final combined performance figures are 2. Acceleration is far from astonishing, with a 0- to- 6. The Sonata has to draw power from both the engine and the 1.
Why lithium- polymer and not lithium- ion? Hyundai says the chemistry helps lower overall hybrid system weight (the pack is just 9.
2011 Hyundai Sonata review and ratings by Motor Trend. Find Sonata prices, real MPG, specs, photos, and videos. Recall List for the 2011 Hyundai Sonata. Official recalls have been issued for the 2011 Hyundai Sonata by the NHTSA. The complete details of all recalls are listed. 2011 Hyundai Sonata problem with Power Train. 2011 HYUNDAI SONATA Power Train problems.
The system’s driving modes — full electric, engine only, hybrid with electric power assist, and hybrid with battery charging — are dependent upon driver input. Hyundai is adamant that the battery and traction motor can unify to drive the wheels up to 6. That number isn’t achievable without the most delicate of pedal modulation, the electric air- conditioning turned off, and a lot of carefully paid attention.
Technical director Frank Markus managed to coax the Sonata Hybrid up to 5. EV mode, but likened the experience to wind sailing. Our attempts to mimic real- world driving as an EV were mostly futile, as the engine would usually fire up at around 1.
The brakes, normally an important matter for discussion when it comes to hybrids, are in need of a good tuning. The pedal feel was not linear enough, and the 1.
Sonata Turbo we tested. On one particularly memorable stop, the entire vehicle felt like it abruptly hit a wall after a sudden and questionable switch from regenerative to friction braking, although it’s important to note that we were testing a pre- production model. Hyundai says not to worry and that the issue will be addressed on the production version. The lack of a torque converter means there is more shift shock as the transmission rows its own gears, an inevitable conundrum that the engineers are looking to resolve.
According to Hyundai staff, the six- speed auto could be the key to an extra 3- to 8- percent jump in fuel economy (up to 3. The Sonata Hybrid has a special “Blue” button on the steering wheel that alters the transmission shift points and A/C compressor clutch setting, presumably to reserve more electric juice for tractive efforts.
As hybrid development continues, the Blue mode could later enable the aforementioned harsher gear changes in the interest of higher fuel economy. To help on the highway, Hyundai took care to adapt the sheetmetal in an effort to further reduce aerodynamic drag. The front end design has drawn comparisons to a delectable fish popular in Cajun cuisine but, ultimately, function follows form. The front grille is shrouded and the front fascia and headlights are smoothed so air flows cleanly over, around, and under the frontal area. The taillights, side strakes, rear fascia, and alloy wheels are also unique to the Sonata Hybrid, and the end result is a very slick drag coefficient of 0. If you’ve grown tired of the fishy skin, you’ll be simultaneously impressed and confounded by the 4.
The display shows crisp vehicle efficiency graphics but some “left us dumbfounded,” in the words of technical editor Kim Reynolds. Some graphical indicators, such as those for energy flow and fuel economy, are easy to discern. Then there are the animations depicting an Earth and the Sonata driving down a road with tree leaves blowing through the air, along with something called an Eco Score. These are supposedly related to improving the environment when operating the Sonata Hybrid. We’re not convinced these are necessary.
So far, despite the pre- production glitches, the Sonata Hybrid is shaping up to be a promising entry in the growing midsize hybrid segment. But it’s going to have to be on its game to match the likes of the Fusion (our 2. Car of the Year) and Camry hybrids. We’ll find out how the production model stacks up against the competition soon enough, but until then, be patient. 2. Hyundai Sonata Hybrid Base price $2. Price as tested $2.
Vehicle layout Front- engine, FWD, 5- pass, 4- door sedan Engines 2. L/1. 66- hp/1. 54- lb- ft Atkinson cycle DOHC 1. I- 4, plus 4. 0- hp/1.
Transmissions 6- speed automatic Curb weight (f/r dist) 3. Wheelbase 1. 10. Length x width x height 1.
Quarter mile 1. Braking, 6. 0- 0 mph 1. Lateral acceleration 0. MT Figure Eight 2. EPA city/hwy fuel econ 3. CO2 emissions 0.