2016-2018 Toyota Corolla iM 1.8 VVT-i (137 Hp) Automatic

The Toyota Corolla iM 1.8 VVT-i Automatic, produced from 2016 to 2018, represented a significant shift in Toyota’s compact offerings in the North American market. Replacing the Matrix, the iM (initially marketed as the Corolla iM) was a five-door hatchback designed to appeal to a younger demographic seeking a sporty, practical, and well-equipped vehicle. This particular variant, featuring the 1.8-liter 2ZR-FAE engine paired with a continuously variable transmission (CVT), served as the entry point into the iM lineup, offering a balance of fuel efficiency and affordability. It was built on the E170 platform, a generation of Corolla known for its reliability and refinement.

Powertrain & Engine Architecture

The heart of the Corolla iM 1.8 Automatic is the 2ZR-FAE 1.8-liter inline-four cylinder gasoline engine. This engine is a member of Toyota’s ZR engine family, known for its durability and relatively simple design. It features a double overhead camshaft (DOHC) valvetrain with Toyota’s Variable Valve Timing-intelligence (VVT-i) system. VVT-i adjusts the timing of both intake and exhaust valves, optimizing engine performance and fuel efficiency across a wider range of engine speeds. The 2ZR-FAE utilizes multi-point fuel injection, delivering fuel directly to each cylinder. The engine produces 137 horsepower at 6,100 rpm and 171 Nm (126.12 lb-ft) of torque at 4,000 rpm.

The engine is transversely mounted at the front of the vehicle, driving the front wheels. Paired with the 1.8L engine is a CVT-iS (Continuously Variable Transmission with intelligence Shift). This transmission, unlike traditional automatic transmissions with fixed gear ratios, uses a belt and pulley system to provide a virtually infinite number of gear ratios. The “iS” designation indicates simulated stepped shifting, designed to mimic the feel of a conventional automatic transmission, addressing a common complaint about early CVTs. The CVT-iS contributes to improved fuel economy and smooth acceleration.

Engine Code Specifics

The 2ZR-FAE engine code is crucial for identifying specific components and maintenance requirements. It’s a non-interference engine, meaning that even if the timing belt breaks, the pistons will not collide with the valves, preventing catastrophic engine damage. However, regular timing belt replacement is still recommended according to Toyota’s maintenance schedule. The engine’s block is constructed from aluminum alloy, contributing to weight reduction. The cylinder head is also aluminum, further enhancing the engine’s overall efficiency.

Driving Characteristics

The Corolla iM 1.8 Automatic delivers adequate, though not exhilarating, performance. The CVT effectively utilizes the engine’s powerband, providing smooth and linear acceleration. While the 137 horsepower is sufficient for everyday driving and commuting, it doesn’t offer the same level of responsiveness as the higher-output engines found in other Corolla variants. The CVT’s simulated shifts can feel somewhat artificial to drivers accustomed to traditional automatic transmissions. The weight-to-power ratio of 10 kg/hp means the iM isn’t a particularly quick vehicle, but it’s more than capable of merging onto highways and navigating city streets. The CVT prioritizes fuel efficiency, and the iM achieves combined fuel economy figures of around 30.9 US mpg.

Compared to a manual transmission equipped iM, the automatic version sacrifices some driver engagement and a slight amount of fuel economy. However, the CVT offers a more relaxed and convenient driving experience, particularly in stop-and-go traffic. The iM’s suspension is tuned for comfort, providing a relatively smooth ride, although it may exhibit some body roll during aggressive cornering.

Equipment & Trim Levels

The Corolla iM 1.8 Automatic came standard with a surprisingly generous list of features for its price point. Standard equipment included Toyota Safety Sense C (TSS-C), a suite of active safety technologies including Pre-Collision System with Pedestrian Detection, Lane Departure Alert with Automatic Lane Departure Correction, and Automatic High Beams. Other standard features included a 7-inch touchscreen infotainment system with Bluetooth connectivity, a rearview camera, automatic climate control, and power windows and locks. Interior upholstery was typically a sporty fabric.

Optional extras included features like a moonroof, upgraded audio system, and keyless entry with push-button start. The iM was generally offered in a single, well-equipped trim level, minimizing complexity for buyers. The interior design was modern and functional, with a focus on usability and ergonomics. The dashboard layout was straightforward, and controls were easily accessible.

Chassis & Braking

The Corolla iM utilizes an independent McPherson strut suspension in the front, providing good ride quality and handling. The rear suspension employs a double wishbone setup, further contributing to a comfortable and controlled ride. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are solid discs. The iM is equipped with an Anti-lock Braking System (ABS) to prevent wheel lockup during hard braking. Electric power steering provides light and responsive steering feel. The iM rides on 17-inch alloy wheels with 225/45 R17 tires, providing a good balance of grip and ride comfort. The ride height is 140 mm (5.51 inches), providing adequate ground clearance for most road conditions.

Market Reception & Comparison

The Corolla iM was generally well-received by automotive critics. It was praised for its value, fuel efficiency, and standard safety features. Critics noted that the 1.8-liter engine and CVT combination wasn’t particularly exciting, but it was adequate for most drivers. Compared to other compact hatchbacks in its class, such as the Honda Civic Hatchback and Mazda3, the iM offered a more affordable price point and a more comprehensive suite of standard safety features. However, it lacked the sporty driving dynamics of the Mazda3 and the refined interior of the Civic. Reliability was a strong point, consistent with Toyota’s reputation. Fuel economy was competitive, with combined figures around 30.9 US mpg, making it an attractive option for budget-conscious buyers.

Technical Specifications

Legacy

The Corolla iM, despite its relatively short production run, has established a reputation as a reliable and affordable compact hatchback. The 2ZR-FAE engine and CVT-iS transmission are known for their durability, and well-maintained examples continue to provide years of service. On the used car market, the iM represents a good value proposition, offering a lot of features for the price. Its standard safety features, fuel efficiency, and Toyota’s reputation for reliability make it an attractive option for first-time buyers or those seeking a practical and economical vehicle. While not a performance standout, the Corolla iM 1.8 Automatic remains a sensible and dependable choice in the used car landscape.