Hyundai Uses a Turbo and a Dual-clutch Transmission to Push Sonata to 38 MPG HWY
June 20, 2014 7:59 AM
comment(s) - last by
Hyundai goes high tech to reach mainstream fuel economy numbers
may have been burned back in 2011
for fudging the numbers when it comes to fuel economy, but the company is doing its best to show that it can still make fuel efficient vehicles with the next generation Sonata.
While the 2015 Sonata was
first unveiled back in April
at the New York Auto Show, the newly announced Eco model will carry the crown as the most efficient trim level for the Sonata (at least until the new hybrid variant arrives). The Sonata Eco uses a 1.6-liter turbocharged four-cylinder engine that generates 177hp and 195 lb-ft of torque.
Instead of going with a traditional “slush box” transmission, the engine is paired with a 7-speed dual-clutch transmission (DCT), which Hyundai says is a first in the mainstream midsize sedan market.
When the numbers are added up, the Sonata Eco will deliver 28 mpg in the city, 38 mpg on the highway, and 32 mpg combined. This represents a 10 percent improvement over the 2015 Sonata SE with its 2.4-liter, 185hp engine.
It should be noted that
are able to achieve similar fuel economy to the Sonata Eco with more powerful, less complex engines in the Altima and 6 respectively. Both competitors also used tried and true transmissions (a CVT for the Altima, and a 6-speed automatic for 6) instead of a more complex (and often times “jerky” at low speeds) DCT.
The 2015 Sonata Eco will have a base price of $23,275 with the only option being a $4,100 Technology Package which includes such niceties as Blind Spot Detection, Rear-cross Traffic Alert, Lane Change Assist, push-button start, dual-zone automatic climate control, 8” navigation screen, and a hands-free auto open trunk.
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RE: Dual clutch transmissions
6/20/2014 3:17:51 PM
Good point about engine power, never really thought about that. I've only driven 3 CVT cars in my life, all if which sucked bad LOL. I drove a Corolla CVT in Asia and 2 Nissan Altima CVT's. This generation Altima and last gen's Altima. In "tip tronic" mode it wasn't terrible, the virtual 6/7 speed (depending on manufacturer) is pretty convincing but in full auto, the rubberband effect is irritating.
If you're looking for an alternative to a dual-clutch, I would suggest testing out any car running the ZF 8 speed before bothering with a CVT. The transmission is silky smooth in full auto and the manual operation is "near" instant.
RE: Dual clutch transmissions
6/21/2014 1:55:48 AM
Wife's car has a ZF 8 speed. Probably the best transmission out there next to Porsche's PDK IMO.
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