In short, the 2008 Altima offers comfortable seating, ample interior space, and reasonable value as a used midsize sedan. Its overall reliability depends heavily on maintenance, especially for the CVT-equipped 2.5 model. The 3.5-liter V6 version provides stronger performance but comes with higher maintenance costs. A well-documented, well-maintained example is typically a sensible purchase for a used-car buyer.
Engine options and transmission
Two engines define the 2008 Altima’s lineup, each with a distinct driving feel and maintenance profile. Here’s what to know before you buy.
CVT vs. traditional auto driving experience
- 2.5-liter four-cylinder (QR25DE) with a continuously variable transmission (CVT). It emphasizes fuel economy, with EPA estimates around 23 mpg city / 31 mpg highway, but the CVT can be susceptible to wear and may be costly to repair if neglected.
- 3.5-liter V6 (VQ35DE) with a traditional 5-speed automatic. It delivers stronger acceleration and smoother power delivery, but it generally costs more to maintain and fuel economy is worse than the 2.5 model.
Overall, the choice between the two depends on whether you prioritize economy (2.5 with CVT) or performance and refinement (3.5 with a conventional automatic).
Reliability and common issues
Reliability for the 2008 Altima varies by drivetrain and maintenance history. The CVT-equipped models tend to draw more attention for long-term reliability, while the V6 versions are typically more straightforward to service. Buyers should beware of certain issues that have been reported as these cars age.
Common failure modes to watch for
- CVT-related problems in 2.5 models (surging, slipping, or failure, especially after high mileage). Repairs or replacement can be expensive.
- Oil leaks around valve covers or other seals, which can indicate wear and may lead to burning smells or oil consumption if not addressed.
- Suspension and steering components wearing with age, affecting ride quality and handling.
- Brake system wear, including potential rotor warping or caliper sticking on older units; regular brake service is important.
- Electrical sensor and ABS-related issues on some trims, which can trigger warning lights.
With diligent maintenance and a thorough pre-purchase inspection, many owners experience solid reliability from the 2008 Altima. The key is a documented service history and attention to CVT maintenance if you’re considering the 2.5 model.
Safety, fuel economy, and ownership costs
From a safety and ownership standpoint, the 2008 Altima sits in line with other mid-2000s family sedans. It offers typical safety equipment for its era and a reasonable cost of ownership if you avoid neglecting the drivetrain and routine maintenance.
- Safety features: standard airbags, anti-lock brakes, and available stability control on higher trims; overall crash protection aligns with its class and era.
- Fuel economy: the 2.5 CVT generally delivers better mileage (roughly in the low 20s in city driving and high 20s to low 30s on highways) compared with the V6, which is less fuel-efficient.
- Maintenance and parts costs: routine maintenance is affordable, but CVT-related repairs can be costly if they occur outside warranty coverage. Parts are generally widely available due to Nissan’s long production run.
- Resale value: well-maintained examples tend to hold their value reasonably well for an older Nissan, but depreciation accelerates with high mileage and CVT concerns.
Bottom line: the Altima can be economical to own if you select the right model and stay on top of maintenance, particularly transmission care for the 2.5 CVT.
What to check before buying
Before committing to a 2008 Altima, use a focused checklist to avoid hidden costs and ensure you’re getting a solid used car.
Inspection focus points
- Confirm which engine and transmission are in the car, and review the full service history, especially CVT fluid changes and any transmission work on 2.5 models.
- Check for engine and transmission leaks, particularly around the valve covers, oil pan, and seals; look for oil spots on the ground after parking.
- Test drive to evaluate the transmission: listen for unusual noises, hesitations, or shuddering, especially during acceleration in the 2.5 CVT.
- Inspect brakes, suspension, and steering for wear; address any squeaks, vibrations, or pulling that could indicate deeper issues.
- Check recall status and ensure any open recalls have been addressed; verify maintenance items such as timing chain/valve train service if applicable.
A professional pre-purchase inspection by a trusted mechanic is highly recommended to confirm the vehicle’s condition before purchase.
Bottom line verdict
The 2008 Nissan Altima remains a reasonable used-car choice for buyers who value comfort, space, and straightforward operation. The main caveat is the CVT in the 2.5 model, which can entail significant repair costs if not properly maintained. If you find a well-documented, properly serviced example—especially a 3.5 model with a solid maintenance history—it can offer dependable transportation with a pleasant ownership experience.
Summary
Summary: The 2008 Altima offers a comfortable, spacious ride with competitive value in the used-car market. Strengths include interior room, ride quality, and approachable maintenance costs for the V6 version. Weaknesses center on CVT reliability in the 2.5 models and potentially higher costs for transmission repairs. For the best experience, pick a well-documented example, prioritize CVT maintenance if you go with the 2.5, and have a trusted mechanic inspect the car before purchase. When chosen carefully, the 2008 Altima can still be a solid, sensible used sedan in today’s market.


