Snapshot
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Available Engines:
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300-hp, 6.0-liter V-8 (regular gas)
330-hp, 8.1-liter V-8 (regular gas)
360-hp, 6.6-liter V-8 (diesel)
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| Available Transmissions: |
4-speed automatic w/OD
5-speed manual w/OD
6-speed automatic w/OD and auto-manual
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New or Notable
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What We Like
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What We Don't
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| • | Exterior styling | | • | Stability system | | • | Adjustable pedals | | • | 10,500-lbs. towing maximum | | • | 170-degree access doors | | • | 400-hp, 6.2-liter V-8 (Denali) |
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| + | Improved gas mileage | | + | Interior quality | | + | Access-door power windows | | + | Sonar park assist | | + | Body/suspension choices | | + | Remote-start option |
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| - | Curtain airbags not standard | | - | Stability system not standard | | - | Few innovations |
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Vehicle Summary
Redesigned and reengineered for 2007, the Sierra's major changes include exterior restyling, improved interior quality, roomier cabins, higher maximum towing capacity and improved gas mileage. The Denali adds a larger engine and six-speed transmission. Safety options include side curtain airbags and an electronic stability system.
Read more
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http://www.cars.com/go/crp/research.jsp?section=summary&crpPage=summary.jsp&makeid=15&modelid=196&year=2007&myid=8316&logtype=6&revid=&aff=national