The 2018 Chevrolet Sonic is part of the second generation (2012-2020) of Chevrolet's subcompact car, offered in both sedan and hatchback body styles. Key trims include the LS, LT, and Premier, with an RS package available for a sportier look. It stood out for its youthful styling, agile handling, and surprisingly spacious interior for its class, making it a popular choice for urban commuters and first-time buyers seeking value and modern features. Its new price range typically fell between $16,000 and $22,000.
The Good
The 2018 Sonic offers nimble handling and responsive performance, especially with the available turbocharged engine, appealing to emotional buyers seeking a fun-to-drive feel. Practical advantages include good fuel efficiency, a surprisingly comfortable and roomy interior for its size, and strong value in the used market. Its modern design and standard infotainment system also add to its appeal.
The Bad
Potential weaknesses for the 2018 Sonic include a somewhat noisy cabin at highway speeds and interior materials that, while durable, can feel a bit basic compared to rivals. Some owners have reported minor electrical glitches or issues related to the 1.4L turbo engine's cooling system or PCV valve over time, so vigilance during inspection is advised.
2018 Chevrolet Sonic: Quick Overview
- Engine Options:
- Standard: 1.8L DOHC 4-cylinder (LS, LT)
- Available: 1.4L Turbocharged DOHC 4-cylinder (LT, Premier, RS)
- Horsepower:
- 1.8L: 138 hp @ 6300 rpm
- 1.4L Turbo: 138 hp @ 4900 rpm (Note: Same HP, but turbo offers more torque lower in the rev range)
- Torque:
- 1.8L: 125 lb-ft @ 3800 rpm
- 1.4L Turbo: 148 lb-ft @ 1850 rpm
- Fuel Economy (EPA Estimated):
- 1.8L Manual: 25 city / 33 highway MPG
- 1.8L Automatic: 24 city / 34 highway MPG
- 1.4L Turbo Manual: 28 city / 37 highway MPG
- 1.4L Turbo Automatic: 27 city / 35 highway MPG
- 0-60 MPH Acceleration:
- Typically ranges from 8.0 to 9.5 seconds, with the 1.4L Turbo generally being quicker.
- Towing Capacity:
- Not officially rated or recommended for towing. Like most subcompact cars, it is not designed for towing.
- Trim-Level Features:
- LS (Base Trim):
- Standard 1.8L engine with 5-speed manual or optional 6-speed automatic.
- 7-inch Chevrolet MyLink touchscreen infotainment system.
- Apple CarPlay and Android Auto compatibility.
- Bluetooth audio streaming.
- Rearview camera.
- OnStar 4G LTE Wi-Fi hotspot.
- Power windows, manual seats.
- 15-inch steel wheels.
- LT (Mid-Range Trim):
- Adds to LS features.
- Available 1.4L Turbo engine with 6-speed manual or 6-speed automatic.
- Cruise control.
- Power windows with one-touch up/down.
- Upgraded cloth upholstery.
- Heated power outside mirrors.
- LED daytime running lights.
- 15-inch aluminum wheels.
- Optional Convenience Package (keyless entry, remote start, heated front seats, power driver's seat).
- Premier (Top Trim):
- Includes LT features and adds.
- Standard 1.4L Turbo engine with 6-speed automatic transmission.
- Leatherette seating surfaces.
- Heated front seats.
- Power driver's seat.
- Fog lamps.
- 17-inch aluminum wheels.
- Available Driver Confidence Package (Forward Collision Alert, Lane Departure Warning, Rear Park Assist).
- LS (Base Trim):
2018 Chevrolet Sonic Specifications
Vehicle Information
| Year | 2018 |
| Make | Chevrolet |
| Model | Sonic |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Subcompact Car |
Manufacturing Details
| Made In | Mexico |
| Manufacturing City | RAMOS ARIZPE |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | 5 |
Engine & Performance
| Engine | LDE - MFI, Variable Valve Timing, Variable Camshaft Phasing, Variable Intake Module (VIM) |
| Engine Size | 1.4L |
| Engine Cylinders | 4 |
| Transmission | 6-Speed Manual |
| Transmission Type | Manual |
| Transmission Speeds | 6-Speed |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | Standard |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $19,795 |
| Invoice Price | $19,003 |
| Delivery Charges | $875 |
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What Problems Does the 2018 Chevrolet Sonic Have?
While generally considered a reliable subcompact, the 2018 Chevrolet Sonic has some frequently reported issues and long-term concerns, particularly revolving around its engine and cooling system, which are common across the second-generation Sonic. Owners of the 1.4L turbocharged engine have occasionally reported issues with the PCV (Positive Crankcase Ventilation) valve, which can lead to oil consumption, rough idling, or even turbocharger failure if not addressed. Similarly, the cooling system, including the thermostat housing and water pump, has been known to be a weak point, with leaks or premature failures occurring. These issues can be more prevalent as the vehicle accumulates mileage, typically beyond 60,000 to 80,000 miles.
Transmission problems, while not widespread, have been reported by a smaller segment of owners, particularly concerning rough shifts or occasional hesitations in the automatic transmission. Electrical glitches, such as faulty sensors or infotainment system quirks, are also periodically mentioned, though often minor.
For the 2018 model year specifically, the NHTSA (National Highway Traffic Safety Administration) records indicate a relatively low number of complaints compared to some earlier Sonic years. However, common complaints, when they do arise, often relate to engine issues, particularly the turbo, or the cooling system. As for recalls, specific to the 2018 Sonic, there have been very few. Most significant recalls for the Sonic platform (e.g., airbags, brake components) were addressed in earlier model years. However, it's always crucial for any potential buyer to check the vehicle's VIN for any open recalls on the NHTSA website to ensure all manufacturer-issued safety campaigns have been completed. Long-term reliability is generally good if maintenance is consistent, but these known issues warrant attention during pre-purchase inspections.
Transmission problems, while not widespread, have been reported by a smaller segment of owners, particularly concerning rough shifts or occasional hesitations in the automatic transmission. Electrical glitches, such as faulty sensors or infotainment system quirks, are also periodically mentioned, though often minor.
For the 2018 model year specifically, the NHTSA (National Highway Traffic Safety Administration) records indicate a relatively low number of complaints compared to some earlier Sonic years. However, common complaints, when they do arise, often relate to engine issues, particularly the turbo, or the cooling system. As for recalls, specific to the 2018 Sonic, there have been very few. Most significant recalls for the Sonic platform (e.g., airbags, brake components) were addressed in earlier model years. However, it's always crucial for any potential buyer to check the vehicle's VIN for any open recalls on the NHTSA website to ensure all manufacturer-issued safety campaigns have been completed. Long-term reliability is generally good if maintenance is consistent, but these known issues warrant attention during pre-purchase inspections.
How long will the 2018 Chevrolet Sonic last?
Based on owner data and proper maintenance habits, a 2018 Chevrolet Sonic can reliably achieve an average lifespan of 150,000 to 200,000 miles, equating to 10-15 years of service. Its long-term durability is decent for a subcompact, especially with the naturally aspirated 1.8L engine. However, the 1.4L turbo engine, while more engaging, can introduce potential weaknesses over time, specifically related to the turbocharger itself, PCV system, and cooling components (like the water pump and thermostat housing), which may require attention around the 80,000-120,000 mile mark. Consistent oil changes, fluid checks, and addressing minor issues promptly are crucial for maximizing its longevity. The interior and suspension components generally hold up well, but expect typical wear and tear on bushings and struts past 100,000 miles.
What Technology & Safety Features are Included?
The 2018 Chevrolet Sonic offers a respectable array of built-in technology and entertainment features for its class. Standard across all trims is the 7-inch Chevrolet MyLink touchscreen infotainment system, which is a major highlight. This system includes standard Apple CarPlay and Android Auto integration, allowing seamless smartphone connectivity for navigation, music, and messaging. Bluetooth connectivity for audio streaming and phone calls, along with a USB port, are also standard. Furthermore, every 2018 Sonic comes equipped with OnStar 4G LTE and a built-in Wi-Fi hotspot, a significant advantage for staying connected on the go.
In terms of driver-assistance and safety, the 2018 Sonic includes a standard rearview camera, which is a valuable feature for parking and maneuvering. Optional driver-assistance features, typically available on the Premier trim or via the Driver Confidence Package, include Forward Collision Alert and Lane Departure Warning. These systems use visual and audible alerts to help drivers avoid potential collisions. Rear Park Assist is also an optional feature, aiding in tight parking situations.
Safety is a strong suit for the Sonic. The 2018 model received excellent crash-test ratings. The National Highway Traffic Safety Administration (NHTSA) awarded the 2018 Sonic a perfect 5-star overall safety rating. The Insurance Institute for Highway Safety (IIHS) gave the Sonic good ratings in most crashworthiness categories, including moderate overlap front, side, roof strength, and head restraints & seats. These ratings underscore the Sonic's robust safety cage and comprehensive airbag system, which includes 10 standard airbags, providing peace of mind for occupants.
In terms of driver-assistance and safety, the 2018 Sonic includes a standard rearview camera, which is a valuable feature for parking and maneuvering. Optional driver-assistance features, typically available on the Premier trim or via the Driver Confidence Package, include Forward Collision Alert and Lane Departure Warning. These systems use visual and audible alerts to help drivers avoid potential collisions. Rear Park Assist is also an optional feature, aiding in tight parking situations.
Safety is a strong suit for the Sonic. The 2018 model received excellent crash-test ratings. The National Highway Traffic Safety Administration (NHTSA) awarded the 2018 Sonic a perfect 5-star overall safety rating. The Insurance Institute for Highway Safety (IIHS) gave the Sonic good ratings in most crashworthiness categories, including moderate overlap front, side, roof strength, and head restraints & seats. These ratings underscore the Sonic's robust safety cage and comprehensive airbag system, which includes 10 standard airbags, providing peace of mind for occupants.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2018 Chevrolet Sonic Prices and Market Value
When new, the 2018 Chevrolet Sonic had a starting MSRP range from approximately $16,000 for a base LS sedan to around $22,000 for a fully-equipped Premier hatchback. In the current used market, prices for a 2018 Sonic can range from about $8,000 to $14,000, depending heavily on mileage, condition, trim level, and location. This represents a significant depreciation from its new price, which is typical for subcompact cars. Depreciation for the Sonic is generally considered average to slightly above average for its segment. Factors affecting its resale value include the overall vehicle condition, maintenance history, presence of the desirable 1.4L turbo engine, and whether it's a sedan or the more sought-after hatchback. Low mileage and higher trim levels (LT and Premier) tend to command better prices.
2018 Chevrolet Sonic Cost of Ownership
The 2018 Chevrolet Sonic is generally an economical vehicle to own. Insurance costs are typically on the lower end for its class, reflecting its safety ratings and relatively low repair costs. Fuel costs are very reasonable, with both engine options offering good MPG, especially the 1.4L turbo. Routine maintenance (oil changes, tire rotations) is inexpensive, as parts are widely available and service is straightforward. Repair costs are also generally low, though specific issues like turbocharger or cooling system problems on the 1.4L can be more significant if neglected. Overall, the Sonic presents a compelling package for budget-conscious buyers looking for low long-term ownership expenses, making it an economical choice.
2018 Chevrolet Sonic Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
28 miles/gallon
Highway Mileage
37 miles/gallon
2018 Chevrolet Sonic Safety Rating
NHTSA
2018 Chevrolet Sonic Recalls & Defects
Seats
Recall date
2018-05-27
Recall no.
18v342000
Source
NHTSA
Summary
General Motors LLC (Gm) IS Recalling Certain 2018 Chevrolet Sonic Vehicles. A Joint IN THE Driver's Seat-Back Frame MAY NOT BE Properly Welded, Reducing THE Strength OF THE Seat-Back Frame.
Consequence
IN THE Event OF A Rear-Impact Crash, THE Seat-Back MAY Fail, Increasing THE Risk OF Injury.
Remedy
GM Will Notify Owners, and Dealers Will Replace THE Driver's Seat-Back, Free OF Charge. THE Recall Began June 28, 2018. Owners MAY Contact Chevrolet Customer Service AT 1-800-222-1020. Gm's Number FOR This Recall IS 18178.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
2018 Chevrolet Sonic Insurance
Insurance for a 2018 Chevrolet Sonic is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Chevrolet Sonic Compare to Other Sedan?
The 2018 Chevrolet Sonic competes in the competitive subcompact segment against rivals like the Honda Fit, Toyota Yaris, Ford Fiesta, Hyundai Accent, and Kia Rio.
Performance: The Sonic, especially with its optional 1.4L turbo engine, offers a more engaging driving experience than many rivals. Its 138 hp and 148 lb-ft of torque (from the turbo) provide decent acceleration and a nimble feel that often outshines the naturally aspirated base engines of the Yaris or Accent. The Honda Fit, while less powerful, counters with exceptional cargo versatility and a unique "Magic Seat".
Features: The Sonic stands out with standard Apple CarPlay and Android Auto on its 7-inch MyLink touchscreen, which was a significant advantage in 2018 compared to many rivals that either didn't offer it or reserved it for higher trims (e.g., Ford Fiesta's SYNC 3). The Yaris's infotainment was more basic. Standard Wi-Fi hotspot was also a unique offering. Safety tech, while optional, was on par with or better than some competitors.
Reliability: While generally good, the Sonic has specific known issues with its 1.4L turbo's cooling system and PCV valve that some rivals, particularly the Honda Fit and Toyota Yaris, are less prone to. The Fit and Yaris are often lauded for their bulletproof long-term reliability. The Accent and Rio also offer solid reliability with longer warranties.
Price: New, the Sonic was competitively priced. On the used market, it offers strong value. It depreciates a bit more than a Yaris or Fit but typically less than a Fiesta. The Accent and Rio are often priced very similarly or slightly lower.
Alternatives:
The Sonic is a good choice for those prioritizing modern tech and a fun drive within a budget, but buyers should be mindful of the specific maintenance points for the turbo engine.
Performance: The Sonic, especially with its optional 1.4L turbo engine, offers a more engaging driving experience than many rivals. Its 138 hp and 148 lb-ft of torque (from the turbo) provide decent acceleration and a nimble feel that often outshines the naturally aspirated base engines of the Yaris or Accent. The Honda Fit, while less powerful, counters with exceptional cargo versatility and a unique "Magic Seat".
Features: The Sonic stands out with standard Apple CarPlay and Android Auto on its 7-inch MyLink touchscreen, which was a significant advantage in 2018 compared to many rivals that either didn't offer it or reserved it for higher trims (e.g., Ford Fiesta's SYNC 3). The Yaris's infotainment was more basic. Standard Wi-Fi hotspot was also a unique offering. Safety tech, while optional, was on par with or better than some competitors.
Reliability: While generally good, the Sonic has specific known issues with its 1.4L turbo's cooling system and PCV valve that some rivals, particularly the Honda Fit and Toyota Yaris, are less prone to. The Fit and Yaris are often lauded for their bulletproof long-term reliability. The Accent and Rio also offer solid reliability with longer warranties.
Price: New, the Sonic was competitively priced. On the used market, it offers strong value. It depreciates a bit more than a Yaris or Fit but typically less than a Fiesta. The Accent and Rio are often priced very similarly or slightly lower.
Alternatives:
- Honda Fit (2018): A better alternative if cargo versatility and legendary reliability are top priorities. Less powerful but more space-efficient.
- Toyota Yaris (2018): A similar alternative for absolute reliability and fuel economy, but often less engaging to drive and with fewer tech features.
- Hyundai Accent (2018) / Kia Rio (2018): Very strong alternatives offering competitive features, good efficiency, and excellent warranties when new. Often provide similar or slightly better interior quality for the price.
- Ford Fiesta (2018): A similar alternative if you prioritize handling and a fun-to-drive factor, but also shares some reliability concerns, particularly with its automatic transmission.
The Sonic is a good choice for those prioritizing modern tech and a fun drive within a budget, but buyers should be mindful of the specific maintenance points for the turbo engine.
Final Verdict: Is the 2018 Chevrolet Sonic a Good Sedan?
The 2018 Chevrolet Sonic is ideal for first-time car buyers, urban dwellers, and budget-conscious individuals who prioritize modern infotainment tech and a spirited driving experience in a compact package. It's particularly well-suited for those who appreciate the flexibility of a hatchback body style. As a used vehicle, it represents a strong value proposition.
It is definitely worth buying on the used market, especially if you can find an LT or Premier trim with the 1.4L turbocharged engine. These trims offer a good balance of features, performance, and comfort without a significant price premium over the base model. When considering purchase, ensure a thorough pre-purchase inspection is performed, paying close attention to the engine (especially the turbo's cooling system and PCV valve), transmission, and service records. With diligent maintenance, a used 2018 Sonic can serve as a reliable and enjoyable daily driver for many years.
It is definitely worth buying on the used market, especially if you can find an LT or Premier trim with the 1.4L turbocharged engine. These trims offer a good balance of features, performance, and comfort without a significant price premium over the base model. When considering purchase, ensure a thorough pre-purchase inspection is performed, paying close attention to the engine (especially the turbo's cooling system and PCV valve), transmission, and service records. With diligent maintenance, a used 2018 Sonic can serve as a reliable and enjoyable daily driver for many years.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.