What is the engine model of the Teana?
3 Answers
The Teana is equipped with two engine models: the MR20 and the QR25. Here are the details of the Teana engines: 1. The 2.0L engine is the MR20 direct-injection engine, featuring a dual C-VTC (Continuous Variable Valve Timing Control) intelligent control system. Its offset cylinder technology can alter the angle at which the piston rod pushes the crankshaft, which enhances the engine's power output, improves fuel efficiency, and boosts overall engine performance, resulting in quick acceleration and low fuel consumption. 2. The 2.5L engine is the QR25, which utilizes a micro-nozzle fuel injector with 18 spray holes to create a fine mist effect, further improving fuel efficiency. Additionally, the entire lineup is equipped with the dual C-VTC intelligent control system, which continuously adjusts the opening and closing times of the intake and exhaust valves based on engine speed, ensuring optimal timing for intake and exhaust to maximize power efficiency.
Just helped a friend pick out a used Teana and specifically checked the engine. Domestic Teana mainly comes with two engine options: the 2.0L MR20, with the stamped number on the right side of the engine, and the 2.5L QR25. The older V6 3.5L model is equipped with the VQ35. After last year's facelift, the 2.0T version uses the KR20 with turbocharging. When inspecting the car, I found that the QR25 in models from 2012-2018 is particularly prone to oil leaks, so pay special attention to the cylinder head gasket. The newer KR20 is more fuel-efficient but requires full synthetic oil for maintenance. These engine codes can be found on the engine compartment nameplate or the vehicle registration document, so remember to verify them when buying used.
My colleague's newly purchased Teana is the VC-TURBO Super Variable Compression version, model KR20. The cutting-edge technology of this engine lies in its ability to automatically adjust the compression ratio between 8:1 and 14:1. For daily driving, the 2.0L naturally aspirated version is mostly equipped with the MR20DE engine, which is commonly seen in ride-hailing vehicles. Discussions among veteran owners revealed that the QR25 engine's chain rattling during cold starts is a common issue. For accurate identification, it's recommended to check the engine number: QR prefix indicates a 2.5L engine, MR prefix denotes a 2.0L, while the new turbocharged KR20 has a separate identification plate located beneath the gear shift lever.
