Introduced for the 2006 model year, the 2007 Chevrolet Impala SS positioned performance-conscious buyers between mainstream sedans and pricier sport options. Offered with either a 3.9 L LA1 V6 or a 5.3 L LS4 V8, the SS emphasized a sport-tuned suspension, responsive steering, and distinctive styling cues. This evergreen overview outlines key equipment levels, standard features, performance figures, ownership considerations, common reliability points, and practical value factors to inform long-term ownership decisions for used examples.
Trim Levels and Market Position
For 2007, the Impala lineup included base models, LS, LT, and the performance-focused SS. The SS occupied a clear niche as the sport variant, emphasizing handling dynamics and visual differentiation. Available trims generally followed a straightforward hierarchy, with LT and SS attracting buyers seeking enhanced capability. Buyers commonly encounter LT and SS examples in the used market, while base and LS models are less frequently specified when referring to an Impala SS.
LS4 V8 Standard Power Group
- Engine: 5.3 L LS4 V8
- Horsepower: 275 hp at 5,200 rpm
- Torque: 315 lb-ft at 4,000 rpm
- Drivetrain: FR layout with 4-speed automatic (6T40/6T45)
- Fuel economy (EPA): approximately 15 city / 24 highway MPG
LA1 V6 Optional Power Group
- Engine: 3.9 L LA1 V6, 240 hp
- Torque: 240 lb-ft
- Drivetrain: FR with 4-speed automatic
- Fuel economy (EPA): approximately 19 city / 29 highway MPG
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Model Year | 2007 | Manufacturer specification |
| SS Standard Engine | 5.3 L LS4 V8 | Chevrolet documentation |
| SS Optional Engine | 3.9 L LA1 V6 | Chevrolet documentation |
| Drivetrain | Front-engine, rear-wheel drive | Manufacturer specification |
| Transmission | 4-speed automatic (6T40/6T45) | Manufacturer specification |
| 0–60 mph (5.3 L estimate) | 7.0–7.8 seconds | Third-party tests |
| Top speed (5.3 L estimate) | 125–130 mph | Third-party tests |
| EPA city (5.3 L) | 15 MPG | EPA database |
| EPA highway (5.3 L) | 24 MPG | EPA database |
| MSRP (new SS, 2007) | Approx. $28,500 | Sticker/invoice records |
Exterior and Interior Design Language
The 2007 Impala SS differentiates itself with unique front and rear styling cues. Design elements include a more aggressive front grille, larger front brakes, and distinct wheel offerings depending on trim. Inside, the SS typically received bolstered front bucket seats, a leather-wrapped steering wheel, and upgraded infotainment or audio options where equipped. Lighting signatures and badging complete the visual package, signaling the model’s performance intent within the Impala range.
Daily Driving Characteristics
In everyday use, the Impala SS balances comfort and control. The sport suspension tuning firmens body control without excessive harshness, and the available V8 provides ample acceleration for highway merging and passing. Visibility from the driver seat is generally good, combining upright A-pillars with rear sightlines that benefit from available rearview cameras in later build years. Ride quality remains compliant over moderate road surfaces, though larger wheel sizes can amplify coarse pavement inputs.
Common Ownership Issues and Reliability Topics
Documented concerns for late-2000s GM W-body sedans include wear items and age-related maintenance rather than systemic flaws. Potential issues to monitor on used examples involve:
- 4L60-E/65E automatic transmission solenoids and fluid service intervals
- Engine oil cooler lines and potential seepage on LS units
- PCV valve and associated crankcase ventilation symptoms
- Solenoid and throttle-body concerns on the 3.9 L V6
- Rubber component aging (motor and rear sway bar links)
Pre-purchase inspections focusing on fluid services, component leaks, and service records typically surface the highest-probability maintenance items. GM’s parts ecosystem remains robust, supporting accessible repairs for common wear items.
Value and Long-Term Ownership Costs
Depreciation for the Impala SS has generally tracked below some niche sport sedans, supporting reasonable used resale value for a performance-oriented GM sedan. Ownership costs align closely with contemporaries, with insurance premiums moderately elevated by performance equipment. Tire costs depend on wheel size; larger diameters increase replacement expenses. Routine maintenance pricing remains competitive within the GM parts hierarchy, and aftermarket support ensures availability of both OEM and aftermarket performance components.
Modern Comparisons and Context
Compared with later units in the W-body lineage and contemporary sport sedans, the 2007 Impala SS occupies a middle ground in size, power, and price. Its blend of daily comfort and approachable performance compares favorably to similarly aged alternatives in segments once dominated by larger V8 configurations. Today, the combination of available power, trunk utility, and competitive running costs continues to underpin the model’s strong used-car appeal.
Buying Considerations and Checklist
- Verify service history, with focus on transmission fluid and engine oil changes
- Inspect for undercarriage leaks, particularly near the oil cooler lines
- Confirm operation of stability-control and brake systems
- Evaluate wheel/tire condition and sizing relative to local road conditions
- Review recall and technical service bulletins for your specific build date
Final Verdict and Buyer Guidance
The 2007 Chevy Impala SS represents a balanced performance sedan option for buyers prioritizing space, comfort, and engaging dynamics without requiring a premium luxury price tag. When sourced with documented maintenance and inspected for known wear items, it can deliver dependable daily use and satisfying driving dynamics. Consider your tolerance for older platform technology alongside the appeal of available V8 power when deciding if an example fits your objectives.