What is the fuel consumption of the old Mark X?

[RhettLee]

Here is the introduction about the fuel consumption of the old Mark X: 1. Equipped with a 2.5L-193 horsepower V6 engine and a 6-speed automatic transmission, the average fuel consumption is 10.90 liters/100km, with a range of 9.4112.39 liters/100km. A total of 2,440 car owners participated in the test. 2. Equipped with a 2.5L-197 horsepower V6 engine and a 6-speed automatic transmission, the average fuel consumption is 11.07 liters/100km, with a range of 9.4512.68 liters/100km. A total of 1,542 car owners participated in the test. 3. Equipped with a 3.0L-227 horsepower V6 engine and a 6-speed automatic transmission, the average fuel consumption is 11.74 liters/100km, with a range of 9.93~13.54 liters/100km. A total of 40 car owners participated in the test.

[StBradley]

The fuel consumption of an old Reiz really depends on the car's condition and driving habits. I drive a 2007 2.5L model, and my actual measurements show about 13L/100km in city traffic jams, while on the highway at around 80km/h, it can drop to about 8.5L/100km. For daily commuting, the average is slightly over 11L/100km. This V6 engine isn't exactly fuel-efficient, but the rear-wheel drive makes for a comfortable ride. Based on discussions in our car group, most owners report fuel consumption ranging from 10 to 14L/100km, with the 3.0L models generally consuming about 1L more. I recommend cleaning the throttle valve carbon deposits during maintenance, using 0W20 engine oil, and maintaining tire pressure at 2.5, as these can help reduce fuel consumption. If you frequently drive on highways, the fuel consumption can actually be more advantageous compared to today's small-displacement turbocharged cars.

[JeremiahRose]

The fuel consumption of the old Mark X needs to be broken down: the 2.5L model typically averages 10-12 L/100km under normal driving, while the 3.0L model consumes 1-2 L/100km more. However, actual consumption can vary significantly. I've seen drivers with a gentle approach using only 10 L/100km even with AC on, while others who love flooring it can hit 15 L/100km. The key lies in maintenance—faulty oxygen sensors can add 2 L/100km, and skipping transmission fluid changes at 40,000 km also increases consumption. As a rear-wheel-drive car, momentary fuel consumption can spike to 20 L/100km when tires slip on rainy days, and cold starts in winter are notably thirsty. With a 66L tank, covering 500+ km per fill-up is reasonable, given the V6’s inherent smoothness.

[LaKyle]

The fuel consumption of the old Reiz is considered moderate among its peers. It consumes about 1 liter more than the Camry in city driving, but it's more fuel-efficient on highways. I often drive long distances and found that at a constant speed of 100 km/h, the displayed fuel consumption is 7.9 liters, which is slightly lower than my friend's Passat B5. The key factor is the car's age; those over ten years old without spark plug replacements typically consume 1.5 liters more. Modifications have a significant impact: switching to wider tires increases consumption by 0.8 liters, and tuning the ECU for more power also raises fuel consumption. The most fuel-efficient speed for this car is a steady 60-80 km/h, where it can achieve just over 7 liters. Surprisingly, turning off the ECO mode in traffic jams can actually save more fuel.

[RhettDella]

After driving my old Mark X for five years, the biggest takeaway is how drastically fuel consumption depends on road conditions. With the same 2.5L engine, morning rush hour traffic on Beijing's Second Ring Road can push it to 14L/100km, while weekend suburban drives drop to 9L. The drivetrain condition is crucial: not changing differential oil at 40,000km adds 0.8L, and sticky wheel bearings directly increase consumption by 1.2L. Air conditioning in summer adds 0.5-1L, but open windows at highway speeds create more drag. I recommend using 95-octane fuel—though pricier, its complete combustion saves money long-term. Regularly check for brake drag, the most easily overlooked hidden factor.

[OwenFitz]

The fuel consumption of the old Mark X speaks volumes with data. The official MIIT figure for the 2.5L model is 9.1L, while actual owner feedback ranges between 10.5L and 13.5L combined, averaging about 20% higher than the official figure. I recorded data over three months: 13.2L in city driving, 8.3L on highways, and 11.4L combined. The biggest factor is driving technique - gentle throttle application saves about 3L compared to aggressive acceleration. For vehicles over 15 years old, pay special attention: clogged fuel injectors can add 2L, and a failed catalytic converter another 1L. Among V6 naturally aspirated engines, this car's consumption is average, thanks to its 6AT transmission being significantly more efficient than older 4AT units.