Powertrain & Performance
Equipped with a 2.5L turbocharged SKYACTIVG engine, delivering about 227hp (250hp on 93octane) and 310lbft torque
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Paired with a 6-speed automatic transmission; frontwheel drive only.
Acceleration stout060mph in around 6.4 sec per testing
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Fuel Economy
EPA estimates for the turbo setup are around 23 city / 31 highway / 26 mpg combined
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Real-world combined fuel economy averages have been reported near 2628 mpg
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Interior & Luxury Features
Signature trim brings many premium enhancements:
Nappa leather seats (heated & ventilated), UltraSuede accents, and Japanese Sen wood trimavailable in Chestnut or Parchment interior tones
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11-speaker Bose premium sound system, frameless auto-dimming mirror, and 360 View Monitor with front/rear parking sensors
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Headup display with traffic sign recognition, blindspot monitoring, rearcrosstraffic alert, radar cruise (stopandgo), adaptive headlights, and rainsensing wipers
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Details from test drives confirm the cabins elegancewith soft-touch surfaces, plush padding, thoughtfully designed rear seating with vents and USB ports
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Ride & Handling
Mazdas reputation for driving enjoyment carries through: refined suspension, well-damped ride, and precise steering make for a sporty yet comfortable experience
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The boosted torque gives confidence in highway passing, while the interior stays quiet even under load
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Safety & Driver Aids
Earned IIHS Top Safety Pick status for 2018, featuring Mazda Sensing technologies including automatic emergency braking, lanekeep assist, blindspot and crosstraffic warning, and front/rear parking sensors
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Owner Feedback & Reliability
Owners generally praise the Signature for strong reliability. One user noted a nearly troublefree experience up to 80k miles, with only frequent tire wear being a minor nuisance
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That said, some owners on Reddit have reported issues such as cracked cylinder heads, coolant leaks, or head gasket problems around 80100k mileshighlighting the importance of maintenance history and inspection before purchase
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Quick Summary
Feature2018 Mazda6 Signature 2.5T
Starting Price~$34,750 (base), ~$36k as-tested
Engine / Power2.5L turbo I4, ~227250hp, 310lbft
Transmission / Layout6speed automatic, FWD
Performance~6.4s 060mph
Fuel Economy~23/31/26 mpg (city/high/combined)
Interior HighlightsNappa leather, UltraSuede, Sen wood, Bose audio, HUD, 360 camera
Safety TechMazda Sensing suite w/ adaptive cruise, blindspot alert, collision support
Ride & HandlingSporty yet refined; quiet cabin
Known IssuesSome fluid leaks, brake wear, rare turbo/head engine failures reported
Final Thoughts
The 2018 Mazda6 Signature offers a compelling blend of driving pleasure and refined luxury at a price well below most premium-brand sedans. For drivers seeking sharp styling, engaging performance, and upscale comfort, it's a standout among midsize offerings.
If you're evaluating a specific exampleespecially usedyoull want to check for documented maintenance, confirm the turbo and engine history, and possibly have a third-party inspection. Many owners report long-term satisfaction if the car is well maintained.