Distributorless Ignition System (DIS) with Coil-on-Plug (COP)
🔧 Transmission
Standard
Transmission Type:
5-speed automatic
Transmission Model:
ZF 5HP24 (for 4.0L and Supercharged), ZF 5HP19 (for 3.2L)
Optional
Optional Transmission:
N/A (All X308 models were automatic)
Features
Driving Modes:
Standard, Sport, Winter modes
Fluid Type:
ZF LifeguardFluid5 (or equivalent LT71141)
📐 Dimensions
Exterior
Length:
Approx. 5024 mm (197.8 in)
Width:
Approx. 1800 mm (70.9 in)
Height:
Approx. 1370 mm (53.9 in)
Wheelbase:
Approx. 2890 mm (113.8 in)
Weights
Curb Weight 3.2L:
Approx. 1760 kg (3880 lbs)
Curb Weight 4.0L:
Approx. 1810 kg (3990 lbs)
Curb Weight Supercharged:
Approx. 1920 kg (4230 lbs)
Wheel Bolt Pattern:
5x120.65 mm
Wheel Size:
16, 17, or 18 inch alloy wheels (depending on trim/options)
🛡️ Safety Features
Ratings
NHTSA Ratings:
Not specifically rated under modern NHTSA standards for this era, but designed to high luxury standards for its time.
Active Features
ABS:
Standard, Bosch ABS system
Traction Control:
Standard on most models (TCS)
Electronic Stability Control:
Optional/Later models, may be referred to as DSC (Dynamic Stability Control)
Passive Features
Airbags:
Driver, passenger, side airbags (optional/standard depending on year/trim)
Seatbelts:
Pre-tensioning front seatbelts
Body Structure:
High-strength steel safety cage, energy-absorbing crumple zones
💡 Technology Features
Infotainment
Head Unit:
Jaguar Cassette/CD player with separate CD changer, often Harman Kardon or Alpine systems.
Display Type:
Dot-matrix LCD for radio/climate, integrated screen for navigation (optional)
Driver Assistance
Cruise Control:
Standard
Connectivity
Factory Bluetooth:
Optional on later models, typically requiring a separate module and often voice control integration.
Auxiliary Input:
Not standard; aftermarket adapters or integration with Bluetooth modules are common.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 10,000 miles or 12 months (whichever comes first)
Transmission Fluid Change:
Every 60,000 miles (recommended, especially for older transmissions)
Coolant Change:
Every 30,000 miles or 2 years
Spark Plug Replacement:
Every 60,000 miles (typically Iridium or Platinum type)
Fluid Specifications
Engine Oil Spec:
API SJ/SL, SAE 5W-30 or 10W-40 (check owner's manual for specific temperature ranges)
Coolant Spec:
Jaguar Premium Coolant (Green/Yellow) or equivalent OAT coolant
Brake Fluid Spec:
DOT 3 or DOT 4
Known Issues
Common Problems:
Timing chain tensioner wear (especially early AJ-V8), Nikasil cylinder liners (pre-1999, not applicable to most X308s), water pump leaks, suspension bushings, ABS module failure, SRS module issues.
Bluetooth Integration Challenges:
Compatibility with specific phone models, firmware updates on modules, proper wiring for audio integration.
📚 Vehicle History
Brand Heritage
Brand Legacy:
Jaguar Cars is renowned for its history of luxury, performance, and elegant design in automotive manufacturing.
Model Evolution
Predecessor:
Jaguar XJ (X300) Series
Successor:
Jaguar XJ (X350) Series
Production
Production Years:
1997 - 2003
Manufacturing Location:
Coventry, England
Key Updates:
Introduction of AJ-V8 engine, revised styling, improved interior comfort, new electronics.
🏆 Awards & Recognition
Recognitions
Overall Awards:
The X308 series was generally well-received for its blend of classic Jaguar style and modern engineering. Specific awards might include 'Best Luxury Sedan' in various enthusiast publications of its era.
Ratings
Reliability Ratings:
Varied by year and specific component; known for excellent powertrain but some electrical gremlins common in electronics of the era.
Certifications
Manufacturing Standards:
Built to Jaguar's stringent quality standards for luxury vehicles.