Facts and figures
| Jaguar XJ 3.0 V6 S/C Premium Luxury | Audi A8 TFSI quattro Sport Executive | |
| On-the-road price/total as tested | £65,365/£81,620 | £62,850/£62,850 |
| Residual value (after 3yrs/30,000) | £24,120/36.9% | £23,129/36.8% |
| Depreciation | £41,245 | £39,721 |
| Annual tax liability std/higher rate | £4,530/£9,059 | £3,770/£7,539 |
| Annual fuel cost (12,000/20,000 miles) | £4,189/£6,982 | £3,909/£6,514 |
| Ins. group/quote/road tax band/cost | TBA/£1,146/K/£270 | 43/£800/K/£270 |
| Cost of 1st/2nd/3rd service | TBA | £300 (3yrs/60k) |
| Length/wheelbase | 5,127/3,032mm | 5,137/2,992mm |
| Height/width | 1,456/1,899mm | 1,460/1,949mm |
| Engine | V6/2,995cc | V6/2,995cc |
| Peak power | 335/6,500 bhp/rpm | 286/4,850 bhp/rpm |
| Peak torque | 450/3,500 Nm/rpm | 420/2,500 Nm/rpm |
| Transmission | 8-spd auto/rwd | 8-spd auto/4wd |
| Fuel tank capacity/spare wheel | 82 litres/sp. saver | 90 litres/sp. saver |
| Boot capacity | 520 litres | 510 litres |
| Kerbweight/payload/towing weight | 1,755/545kg/N/A | 1,830/690/2,300kg |
| Turning circle/drag coefficient | 12.3 metres/0.29Cd | 12.3 metres/0.27Cd |
| Basic warranty (miles)/recovery | 3yrs (unlimited)/3yrs | 3yrs (60k)/3yrs |
| Service intervals/UK dealers | 15k miles (1yr)/97 | Variable/121 |
| Driver Power manufacturer/dealer pos. | 3rd/7th | 15th/18th |
| Euro NCAP: Adult/child/ped./stars | N/A | N/A |
| 0-60/30-70mph | 5.8/5.8 secs | 5.9/5.5 secs |
| 30-50mph in 3rd/4th | 4.1/5.4 secs | 3.2/3.8 secs |
| 50-70mph in 5th/6th/7th | 7.3/10.7/16.0 secs | 5.2/7.4/9.0 secs |
| Top speed/rpm at 70mph | 155mph/1,400rpm | 155mph/1,800rpm |
| Braking 70-0/60-0/30-0mph | 48.8/35.2/9.3m | 49.5/35.2/8.7m |
| Noise outside/idle/30/70mph | 64/41/58/67dB | 61/40/57/67dB |
| Auto Express econ (mpg/mpl)/range | 18.1/4.0/326 miles | 19.4/4.3/384 miles |
| Govt urban/extra-urban/combined | 20.9/38.2/29.4mpg | 24.1/39.8/32.1mpg |
| Govt urban/extra-urban/combined | 4.6/8.4/6.5mpl | 336/204g/km/31% |
| Actual/claimed CO2/tax bracket | 361/224g/km/35% | |
| Airbags/Isofix/rear parking sensors | Six/yes/yes | Six/yes/yes |
| Auto gearbox/stability/cruise control | Yes/yes/yes | Yes/yes/yes |
| Climate control/leather/rear sunblinds | Yes/yes/£305 | Yes/yes/£345 |
| Metallic paint/xenon lights/keyless go | Yes/yes/yes | Yes/yes^/yes |
| Satellite navigation/TV tuner/sunroof | Yes/£1,990*/yes | Yes/£1,000/£1,035 |
