| 2012 XJL Supersport | 2012 Audi A8 L W12 6.3 | 2012 BMW 760 Li | 2012 BMW ALPINA B7 | |
| MSRP | $117,700 | $133,500 | $137,300 | $126,500 |
| Destination Charge | $875 | $875 | $895 | $895 |
| 0-60 mph (s) | 4.5 | 4.9 | 5.5 | N/A |
| 1/4 mile (seconds) | 13 | 13.2 | 13.8 | N/A |
| 1/4 mile (speed) | 109 | 106 | 102 | N/A |
| Horsepower (hp) | 510 @ 6,000RPM | 500 @ 6,200RPM | 535 @ 5,250RPM | 500 @ 5,500RPM |
| Torque (lb.-ft.) | 461 @ 2,500RPM | 463 @ 4,750RPM | 550 @ 1,500RPM | 516 @ 3,000RPM |
| Front suspension | Double wishbone | Multi-link | Double wishbone | Double wishbone |
| Rear suspension | Double wishbone | Multi-link | Multi-link | Multi-link |
| Steering activation | Hydraulic power-assist | Hydraulic power-assist | Electro-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 | P265/40YR20 BSW performance | P245/45YR19 BSW run flat performance | P245/35YR21 BSW run flat performance |
| Wheel appearance | Silver | Silver | Silver | Silver |
| Wheel material | Aluminum | Aluminum | Aluminum | Aluminum |
| Wheel diameter | 20" | 20" | 19" | 21" |
| Wheel width (front) | 9" | 9" | 8.5" | 8.5" |
| Wheel width (rear) | 10" | 9" | 9.5" | 10" |
| Fuel economy - city (mpg) | 15 | 14 | 13 | 14 |
| Fuel economy - highway (mpg) | 22 | 21 | 19 | 22 |
| Fuel economy - combined (mpg) | 18 | 17 | 16 | 18 |
| Recommended fuel | Premium unleaded | Premium unleaded | Premium unleaded | Premium unleaded |
| Fuel tank (gal.) | 22 | 24 | 22 | 22 |
| Engine liters (cu.in.) | 5 | 6.3 | 6 | 4.4 |
| Cylinders | V-8 | W-12 | V-12 | V-8 |
| Horsepower (hp) | 510 @ 6,000RPM | 500 @ 6,200RPM | 535 @ 5,250RPM | 500 @ 5,500RPM |
| Torque (lb.-ft.) | 461 @ 2,500RPM | 463 @ 4,750RPM | 550 @ 1,500RPM | 516 @ 3,000RPM |
| Drive type | Rear-wheel | Quattro all-wheel drive | Rear-wheel | Rear-wheel |
| Transmission | 6-speed automatic | 8-speed automatic | 8-speed automatic | 6-speed automatic |
| Radio | AM/FM/HD/SIRIUS Satellite | AM/FM/HD/SIRIUS Satellite | AM/FM/HD/SiriusXM Satellite | AM/FM/HD/SiriusXM Satellite |
| CD | Single | Single | Single | Single |
| Remote CD | None | 6-disc | 6-disc | 6-disc |
| External digital memory control | Yes | Yes | Yes | Yes |
| Voice activated audio control | Interactive Voice | Yes | Yes | Yes |
| Speakers | 20 | 14 | 16 | 16 |
| Seating capacity | 5 | 4 | 5 | 5 |
| Passenger volume (cu.ft.) | N/A | 122 | N/A | N/A |
| Maximum interior cargo volume (cu.ft.) | 15.2 | 13.2 | 14 | 14 |
| Basic months | 48 | 48 | 48 | 48 |
| Basic distance (miles) | 50,000 | 50,000 | 50,000 | 50,000 |
| Scheduled maintenance months | 48 | 12 | 48 | 48 |
| Scheduled maintenance distance (miles) | 50,000 | 5,000 | 50,000 | 50,000 |
| Roadside assistance months | 48 | 48 | 48 | 48 |
| Roadside assistance distance (miles) | 50,000 | unlimited | unlimited | unlimited |