The 2007 Jaguar S-Type XS represents the final evolution of Jaguar’s retro-styled executive saloon, combining traditional British luxury with modern engineering prowess. As the penultimate model year before the S-Type’s replacement by the XF, the 2007 XS specification offered enhanced value and refined luxury features that made it one of the most compelling variants in the range. Understanding the specific characteristics and potential issues of this particular model year is crucial for prospective buyers seeking to acquire a well-maintained example of this distinctive Jaguar.
With values having stabilised in recent years, the 2007 S-Type XS presents an attractive proposition for enthusiasts seeking genuine rear-wheel-drive luxury at accessible prices. However, the complexity of these vehicles demands careful pre-purchase inspection to avoid costly surprises. The XS trim level introduced specific equipment and styling enhancements that distinguish it from other S-Type variants, making it essential to verify authenticity and condition before committing to purchase.
2007 jaguar S-Type XS engine and drivetrain assessment
The powertrain evaluation forms the cornerstone of any thorough S-Type inspection, as these sophisticated systems represent both the vehicle’s greatest strength and its most significant potential liability. The 2007 model year benefited from years of development and refinement, yet certain inherent characteristics require careful attention during the assessment process.
4.2-litre V8 AJ-V8 engine performance evaluation
The naturally aspirated 4.2-litre AJ-V8 engine delivers 298 horsepower and represents one of the most reliable powerplants in the S-Type range. During inspection, listen carefully for any irregular idle patterns or metallic rattling from the timing chain area, as timing chain tensioner failure remains a significant concern on higher-mileage examples. The engine should start immediately without extended cranking, and the idle should settle to a smooth 650-700 rpm within thirty seconds of cold starting.
Check the coolant expansion tank for any signs of oil contamination, which could indicate head gasket issues, though these are relatively rare on the 4.2-litre unit. The engine bay should be relatively clean, with no evidence of significant oil leaks from the valley pan gasket or rear main seal. Pay particular attention to the condition of the plastic intake manifold, as these can develop hairline cracks that affect performance and fuel economy.
ZF 6HP26 Six-Speed automatic transmission inspection points
The ZF six-speed automatic transmission represents a significant improvement over earlier five-speed units, but requires specific attention to fluid condition and adaptive learning parameters. The transmission should shift smoothly through all ratios without hesitation or harsh engagement. Torque converter shudder at low speeds often indicates fluid contamination or internal wear, while delayed engagement from park to drive suggests hydraulic pressure issues.
Verify that the J-Gate manual override functions correctly in all positions, as worn gate mechanisms can prevent proper manual control. The transmission control module may require reprogramming if shift quality has deteriorated, though this is often masked by adaptive learning systems that gradually compensate for wear. Any illuminated transmission warning lights should be thoroughly investigated using appropriate diagnostic equipment.
The ZF 6HP26 transmission typically requires fluid changes every 60,000 miles despite Jaguar’s original “lifetime fill” claims, making service history documentation particularly important for these vehicles.
Jaguar traction4 All-Wheel drive system diagnostics
Models equipped with the optional Traction4 all-wheel-drive system require additional inspection of the transfer case, rear differential, and associated electronic control systems. The system should engage seamlessly during testing, with no unusual noises from the rear differential or drive coupling. Check for any error codes related to the traction management system, as sensor failures can disable the AWD functionality entirely.
The transfer case requires specific fluid changes at recommended intervals, and neglect can result in expensive failures. Listen for any whining or grinding noises during low-speed manoeuvres, particularly when turning, as these may indicate worn CV joints or transfer case issues. The system’s electronic controls integrate with the stability management system, making comprehensive diagnostic scanning essential for proper evaluation.
Variable valve timing system common failure patterns
The variable valve timing system on 2007 S-Type engines incorporates sophisticated cam phasing technology that can develop specific failure modes. Oil contamination or irregular service intervals can cause the VVT solenoids to stick or fail completely, resulting in rough idle conditions and reduced performance. The system relies on precise oil pressure and clean oil passages, making regular maintenance absolutely critical for long-term reliability.
During road testing, the engine should demonstrate smooth power delivery across the entire rev range without any flat spots or hesitation. Any rattling noises on startup that persist beyond the first few seconds may indicate VVT system issues or timing chain problems. The engine management system should adapt quickly to changing conditions without triggering warning lights or entering limp-home mode.
Jaguar S-Type XS electrical architecture and infotainment systems
The electrical systems in the 2007 S-Type XS represent a complex network of interconnected modules and control units that require systematic evaluation to ensure proper functionality. The integration of multiple systems through the CAN bus network means that apparently minor faults can sometimes cascade into more significant issues if left unaddressed.
Premium sound system and alpine navigation unit functionality
The optional Premium Sound system incorporates multiple amplifiers and speakers throughout the cabin, creating an impressive audio experience when functioning correctly. Test all speaker positions for proper output and clarity, as individual amplifier channels can fail independently. The subwoofer, typically located in the rear parcel shelf, should produce clean bass without distortion or rattling.
The Alpine navigation system, while dated by contemporary standards, should boot properly and display clear mapping information. GPS reception may be affected by damaged antenna connections, and the system’s integration with the telephone module can sometimes cause conflicts. Verify that all audio sources function correctly, including radio, CD player, and auxiliary inputs where fitted.
Body control module and CAN bus network troubleshooting
The Body Control Module serves as the central hub for numerous electrical functions, from lighting control to security systems. Intermittent electrical faults often trace back to BCM issues or CAN bus communication errors. Phantom electrical problems such as randomly activating systems or warning lights may indicate network communication faults rather than component failures.
Check that all electrical accessories respond appropriately to their controls, including electric seats, mirrors, and climate control systems. The central locking should operate smoothly from all access points, and the security system should arm and disarm without false alarms. Any stored fault codes should be evaluated in context, as some may be historical rather than active issues.
Adaptive cruise control and parking distance control systems
Models equipped with adaptive cruise control utilise radar sensors that require precise calibration and unobstructed mounting positions. The system should engage smoothly and maintain appropriate following distances without sudden interventions. Check for any error messages related to the radar system, as these sensors can be expensive to replace and require dealer-level calibration.
The parking distance control system incorporates multiple ultrasonic sensors in the front and rear bumpers. Test the system at various distances to ensure accurate distance measurement and clear audio warnings. Damaged or dirty sensors can provide false readings, while water ingress into the sensor housings can cause permanent damage requiring sensor replacement.
Xenon HID headlight assembly and cornering light verification
The xenon HID headlight system provides excellent illumination but incorporates complex ballast modules and igniter units that can fail over time. Both headlights should ignite immediately when activated, producing consistent colour temperature and beam patterns. Any flickering or delayed ignition typically indicates ballast or igniter problems, while pink or purple light output suggests lamp end-of-life.
The adaptive cornering light system should activate smoothly when turning, providing additional illumination in the direction of travel. Check that the cornering lights return to their neutral position after completing turns, as worn actuator mechanisms can cause alignment problems. The automatic headlight levelling system should adjust beam height based on vehicle loading without manual intervention.
Suspension and chassis components Pre-Purchase inspection
The sophisticated suspension system of the 2007 S-Type XS delivers exceptional ride quality and handling characteristics when properly maintained, but requires regular attention to consumable components that wear with age and mileage. The double-wishbone front suspension and sophisticated rear multilink arrangement incorporate numerous bushings, joints, and damper components that must work in harmony to deliver the intended driving experience.
Begin the suspension inspection by examining the front suspension towers for any signs of corrosion or structural damage, as the aluminium construction requires different repair approaches than traditional steel components. Creaking or knocking noises during steering input often indicate worn upper or lower ball joints, while clunking sounds over bumps typically suggest deteriorated anti-roll bar links or mounting bushes. The power steering system should operate smoothly without whining from the pump or stiffness in the steering wheel.
The rear suspension utilises multiple control arms and links that are particularly susceptible to bush deterioration, especially in vehicles that have covered high annual mileages or experienced harsh operating conditions. Check for any signs of oil leakage from the rear dampers, and verify that the vehicle sits level when parked on flat ground. Any sagging or uneven stance may indicate spring or damper failure, while excessive rear-end movement during braking could suggest worn rear suspension bushes.
The CATS (Computer Active Technology Suspension) system available on some S-Type variants requires additional diagnostic attention, as sensor failures can significantly affect ride quality and handling characteristics.
Brake system evaluation should encompass both the hydraulic components and the electronic parking brake system introduced in 2002. The electronic parking brake can develop actuator problems that cause uneven pad wear or complete system failure. Check that the brake pedal feels firm with consistent stopping power, and listen for any grinding noises that might indicate worn pads or warped discs. The ABS and stability control systems should function without triggering warning lights, though comprehensive testing may require professional diagnostic equipment to verify proper operation of all sensors and control modules.
Interior luxury features and build quality assessment
The cabin environment of the 2007 S-Type XS showcases Jaguar’s commitment to traditional luxury materials and contemporary convenience features, though certain components require careful inspection to assess their current condition and likely future reliability. The integration of wood veneer trim, leather upholstery, and electronic systems creates an ambiance that exemplifies British luxury motoring, yet these materials and systems can show wear patterns that significantly affect both aesthetics and functionality.
Examine the leather upholstery for any signs of cracking, particularly on the seat bolsters where entry and exit wear is most pronounced. The wood veneer trim should exhibit consistent colour and finish without any lifting edges or discoloured sections that might indicate moisture damage. Climate control functionality deserves particular attention, as the dual-zone automatic system incorporates multiple sensors and actuator motors that can fail independently, potentially requiring expensive module replacements.
The electric seat adjustment systems should operate smoothly through their full range of motion, with memory functions recalling positions accurately. Check that both front seats move freely in all directions without binding or unusual noises from the adjustment motors. The heated seat elements should warm evenly across all sections, as partial failures often indicate element damage that requires seat removal for repair. Door mirrors should adjust properly in both axes, and the auto-dimming interior mirror should respond appropriately to following headlights.
Electronic convenience features such as the trip computer, instrument cluster warning systems, and automatic wipers should function according to their design parameters. The air conditioning system should produce consistently cold air without unusual noises from the compressor or evidence of refrigerant leaks around the condenser or evaporator connections. Any musty odours when the system activates may indicate microbial growth in the evaporator housing, requiring professional cleaning and sanitisation to resolve completely.
Market valuation and ownership cost analysis for 2007 S-Type XS models
Current market conditions for the 2007 Jaguar S-Type XS reflect a stabilisation in values after years of depreciation, with well-maintained examples beginning to attract renewed interest from collectors and enthusiasts who appreciate the model’s unique position in Jaguar’s heritage. Condition has become the primary value determinant , with service history documentation and maintenance evidence often more important than mileage figures when assessing asking prices.
Typical market prices for 2007 S-Type XS models range from £3,000 to £8,000 depending on specification, condition, and service history completeness. Lower-priced examples often require immediate attention to deferred maintenance items, while premium-priced vehicles should demonstrate comprehensive service records and evidence of recent major service items such as timing chain replacement or transmission servicing. The diesel variants typically command slightly higher prices due to their superior fuel economy, though potential future restrictions on diesel vehicles in urban areas may affect long-term desirability.
Ownership cost projections should account for both routine maintenance and potential major repairs that commonly affect these vehicles as they age. Annual service costs typically range from £400 to £800 for basic maintenance, with major services potentially reaching £1,200 to £1,800 when significant items such as brake system overhauls or suspension component replacement are required. Fuel consumption averaging 22-26 mpg in mixed driving conditions means that running costs remain substantial, particularly with current fuel prices, making the diesel variants more economical for high-mileage users.
Insurance costs vary significantly based on driver profile and chosen excess levels, but the S-Type XS typically falls into moderate insurance groups that make coverage relatively affordable compared to contemporary German rivals. Parts availability remains good through specialist suppliers and independent sources, though genuine Jaguar components for trim and electrical items can be expensive when replacement becomes necessary. The depreciation curve appears to have flattened for well-maintained examples, suggesting that careful selection and proper maintenance could result in relatively stable ownership costs over medium-term ownership periods.