| 2012 XJL Supercharged | 2012 BMW 750 i | 2012 Porsche Panamera S | 2012 Audi A8 L 4.2 | |
| MSRP | $88,600 | $84,300 | $90,300 | $84,700 |
| Destination Charge | $875 | $895 | $975 | $875 |
| 0-60 mph (s) | 4.9 | 5.6 | 5.4 | 5.3 |
| 1/4 mile (seconds) | 13.4 | 14.3 | 13.6 | 14 |
| 1/4 mile (speed) | 106 | 95 | 104 | 96 |
| Horsepower (hp) | 470 @ 6,000RPM | 400 @ 5,500RPM | 400 @ 6,500RPM | 372 @ 6,800RPM |
| Torque (lb.-ft.) | 424 @ 2,500RPM | 450 @ 1,750RPM | 369 @ 3,500RPM | 328 @ 3,500RPM |
| Front suspension | Double wishbone | Double wishbone | Double wishbone | Multi-link |
| Rear suspension | Double wishbone | Multi-link | Multi-link | Multi-link |
| Steering activation | Hydraulic power-assist | Hydraulic power-assist | Hydraulic power-assist | Hydraulic power-assist |
| Steering type | Rack-pinion | Rack-pinion | Rack-pinion | Rack-pinion |
| Speed sensitive steering | Yes | Servotronic | Servotronic | Servotronic |
| Brakes | 4-wheel disc | 4-wheel disc | 4-wheel disc | 4-wheel disc |
| Tires | P245/40YR20 BSW performance | P245/45VR19 BSW run flat AS | P255/40YR20 BSW performance | P265/40YR20 BSW performance |
| Wheel appearance | Silver | Silver | Black | Silver |
| Wheel material | Aluminum | Aluminum | Aluminum | Aluminum |
| Wheel diameter | 20" | 19" | 20" | 20" |
| Wheel width (front) | 9" | 8.5" | 9.5" | 9" |
| Wheel width (rear) | 10" | 8.5" | 11.5" | 9" |
| Fuel economy - city (mpg) | 15 | 15 | 16 | 18 |
| Fuel economy - highway (mpg) | 21 | 22 | 24 | 28 |
| Fuel economy - combined (mpg) | 18 | 18 | 20 | 23 |
| Recommended fuel | Premium unleaded | Premium unleaded | Premium unleaded | Premium unleaded |
| Fuel tank (gal.) | 22 | 22 | 21 | 24 |
| Engine liters (cu.in.) | 5 | 4.4 | 4.8 | 4.2 |
| Cylinders | V-8 | V-8 | V-8 | V-8 |
| Horsepower (hp) | 470 @ 6,000RPM | 400 @ 5,500RPM | 400 @ 6,500RPM | 372 @ 6,800RPM |
| Torque (lb.-ft.) | 424 @ 2,500RPM | 450 @ 1,750RPM | 369 @ 3,500RPM | 328 @ 3,500RPM |
| Drive type | Rear-wheel | Rear-wheel | Rear-wheel | Quattro all-wheel drive |
| Transmission | 6-speed automatic | 6-speed automatic | 7-speed auto-shift manual | 8-speed automatic |
| Radio | AM/FM/HD/SIRIUS Satellite | AM/FM/HD/SiriusXM Satellite | XM AM/FM/HD/Satellite | AM/FM/HD/SIRIUS Satellite |
| CD | Single | Single | Single | Single |
| Remote CD | None | None | Compatible | 6-disc |
| External digital memory control | Yes | Yes | Yes | Yes |
| Voice activated audio control | Interactive Voice | Yes | Yes | Yes |
| Speakers | 20 | 16 | 14 | 14 |
| Seating capacity | 5 | 5 | 4 | 5 |
| Passenger volume (cu.ft.) | N/A | N/A | N/A | 122 |
| Maximum interior cargo volume (cu.ft.) | 15.2 | 14 | 44.6 | 13.2 |
| Basic months | 48 | 48 | 48 | 48 |
| Basic distance (miles) | 50,000 | 50,000 | 50,000 | 50,000 |
| Scheduled maintenance months | 48 | 48 | N/A | 12 |
| Scheduled maintenance distance (miles) | 50,000 | 50,000 | N/A | 5,000 |
| Roadside assistance months | 48 | 48 | 48 | 48 |
| Roadside assistance distance (miles) | 50,000 | unlimited | 50,000 | unlimited |