What is the emission standard for the 2009 Excelle?

[DeAlice]

The 2009 Excelle complies with the China IV emission standard. Here is some information about the Excelle: 1. The Buick Excelle is equipped with a Twin-Tec double overhead camshaft (DOHC) engine, a 16-valve DOHC engine, with a curb weight (kg) of 1250, fuel consumption (L) of 8, and specific power (Kw/l) of 48.7. 2. It features a MacPherson independent front suspension and a multi-link independent rear suspension, with tire specifications of 195/55-R15, 0-100km/h acceleration time (s) of 12.7, and a drag coefficient (Cd) of 0.338.

[LilahLee]

My Excelle was purchased in 2009, and I specifically asked about the emission standard at that time. The salesperson clearly stated it was China IV. However, I must remind you that 2009 was a transition year. Cars manufactured in the first half of the year might be China III, and the full upgrade to China IV didn't happen until the second half. You'll need to check the production nameplate on the co-pilot's door frame for specifics. For example, cars produced after July are mostly China IV. It's best to directly check the environmental protection label sticker—the blue background with white China IV characters is the most accurate. Nowadays, second-hand car transfers or traffic restriction policies are all based on emission standards. I recommend checking the vehicle records at the DMV to confirm. Last year during my annual inspection, the testing station's equipment also confirmed my car as China IV.

[HadleyDella]

Having handled numerous repair orders for the 2009 Excelle, the emission standard issue depends on specific circumstances. Most 1.6L automatic transmission models left the factory as China IV compliant, but the manual transmission base models might be China III. The key is to check the 10th digit of the VIN—if it's 9, it indicates 2009 production, then verify with the vehicle conformity certificate. I recall a customer's car with a March production date on the nameplate, but the environmental protection website still showed it as China III. With many cities phasing out China III vehicles now, I recommend visiting a repair shop to read the OBD data stream with a diagnostic tool—checking the ECU-registered emission standard code directly is the most reliable method.

[Jenkins]

Checked the MIIT filing records, the Buick Excelle in 2009 complied with the GB18352.3-2005 standard, which is China IV. However, in practice, it depends on the manufacturing batch. For example, in cities like Beijing and Shanghai that implemented stricter standards earlier, vehicles produced in early 2009 could already be China IV. It's recommended to check the original environmental compliance certificate in the glove box, where the emission stage is clearly marked on the third page. Alternatively, you can enter the engine number and model on the 'Motor Vehicle Environmental Protection Website' to check. My old Excelle was verified as China IV last year. Emission standards affect vehicle inspection and residual value, so it's best not to guess based on experience.

[HaleyMarie]

When dealing in used cars, pay special attention to the emissions of 2009 Excelle models. Typically, the 1.8L luxury versions with OBD interfaces comply with China IV standards, while base models may be mixed batches of China III. The most straightforward way is to check the exhaust pipe – China IV vehicles have two oxygen sensors, with an additional monitoring probe near the rear muffler. When purchasing, it's also noted that the second page of the vehicle registration certificate for the same year models has markings; those with the 'IV' symbol hold better value. With tightening environmental policies, China IV cars currently command about 3,000 yuan more than China III models in the local market.

[LaKennedy]

Research on automotive technical parameters reveals that the F16D3 engine equipped in the 2009 Buick Excelle completed its China IV compliance adaptation by the end of 2008. However, actual conditions vary: vehicles frequently driven on highways may have their ECUs dynamically adjust air-fuel ratios, potentially resulting in better emissions than identical models predominantly driven in urban areas. It's advisable to have mechanics inspect the three-way catalytic converter condition during maintenance, as China IV-compliant vehicles originally came with ceramic substrates featuring higher cell density. Personal testing on a friend's identical model showed significantly fainter cold-start exhaust odor compared to China III-compliant vehicles.