The function response did not provide relevant information about the comparison between the newest Volvo's CX40 and X40. Therefore, I will summarize general knowledge on the differences between the two models based on typical features and attributes.

Pros and Cons of Volvo CX40 vs. X40

Volvo CX40:

Pros:

1. Modern Design: The CX40 features a contemporary design language that aligns with Volvo’s latest styling cues, offering a more upscale appearance.
2. Advanced Technology: It is equipped with the latest infotainment and safety technologies, including advanced driver assistance systems that enhance both safety and convenience.
3. Performance: The CX40 typically offers more powerful engine options, providing a spirited driving experience, particularly with available hybrid or electric variants.
4. Interior Quality: Volvo is known for its high-quality interiors, and the CX40 is no exception, with premium materials and a spacious cabin.
5. Sustainability: With the availability of electric options, the CX40 supports greener driving experiences.

Cons:

1. Higher Price Point: The advanced features and technology might come at a premium price, making it less accessible than older models.
2. Fuel Efficiency: Depending on the engine choice, the fuel efficiency might not be as competitive compared to other compact SUVs in the market.
3. Complex Technology: The advanced infotainment and technology systems can have a learning curve for some users, potentially distracting during initial use.

Volvo X40:

Pros:

1. Affordability: The X40 generally has a lower starting price, appealing to budget-conscious buyers who still want a stylish and capable vehicle.
2. Simplicity: The less complex technology features may be easier to use for those who prefer straightforward controls.
3. Practicality: Often, the X40 combines good cargo space and passenger comfort, making it a solid choice for families or those with active lifestyles.

Cons:

1. Older Design: The design may not be as modern as the CX40, which could influence buyer perception and desirability.
2. Limited Technology: Older technology and safety features could mean less integration with the latest smartphone and connectivity options.
3. Performance: The engine options might be less powerful compared to the CX40, resulting in a less engaging driving experience.

In summary, the choice between the newest Volvo CX40 and X40 largely depends on the buyer's priorities such as budget, tech preference, and desired driving experience.