4x4 Mega-test - specifications

 Porsche CayenneBMW X5VW TouaregInfiniti FX30
On the road price/total as tested£44,178/£54,492£43,980/£53,850£38,255/£40,195£49,680/£50,345
Annual tax liability std/higher rate£2,739/£5,478£2,727/£5,454£2,372/£4,744£3,478/£6,955
Annual fuel cost (12k/20k miles)£2,048/£3,414£2,008/£3,347£2,055/£3,426£2,907/£4,845
Ins. grp./quote/road tax band/cost40/£908/J/£23542/£923/J/£23540/£646/J/£23547/£1,100/L/£425
Cost of 1st/2nd/3rd service£510/£610/£510£350 (5yrs/60k)£250 (3yrs/30k)£252/£531/£252
Length/wheelbase4,846/2,895mm4,857/2,933mm4,795/2,893mm4,865/2,885mm
Height/width1,705/1,939mm1,776/1,933mm1,732/1,940mm1,680/1,925mm
EngineV6/2,967cc6cyl in-line/2,993ccV6/2,967ccV6/2,993cc
Peak power 237/4,000 bhp/rpm242/4,000 bhp/rpm237/4,000 bhp/rpm235/3,750 bhp/rpm
Peak torque 550/2,000 Nm/rpm540/1,750 Nm/rpm550/2,000 Nm/rpm550/1,750 Nm/rpm
Transmission 8-spd Tiptronic/4wd8-spd auto/4wd8-spd Tiptronic/4wd7-spd auto/4wd
Fuel tank capacity/spare wheel85 litres/foam85 litres/run-flat85 litres/foam90 litres/foam
Boot capacity (seats up/down) 580/1,780 litres620/1,750 litres580/1,642 litres410/1,305 litres
Kerbweight/payload2,100/760kg2,075/680kg2,174/761kg2,150kg/N/A
Turning circle/drag coefficient11.9 metres/0.36Cd12.8 metres/0.34Cd11.9 metres/N/A11.2 metres/0.36Cd
Basic warranty (miles)/recovery3yrs (60k)/3yrs3yrs (60k)/3yrs3yrs (60k)/3yrs 3yrs (60k)/3yrs
Service intervals/UK dealers20,000 miles/34Variable miles/15420,000 miles/22312,500 miles/2
Driver Power manufacturer/dealer pos.8th/8th10th/17th17th/22ndN/A
0-60/30-70mph7.5/7.1 secs7.2/7.2 secs7.1/6.9 secs9.0/8.9 secs
30-50mph in 3rd/4th 3.0/4.0 secs2.8/3.5 secs2.9/3.8 secs3.2/5.2 secs
50-70mph in 5th/6th/7th/8th 4.8/5.8/7.5/11.4 s4.7/6.3/8.0/12.2 s4.5/5.5/7.1/10.2 s6.6/8.5/10.5 s/N/A
Top speed/rpm at 70mph 135mph/1,600rpm130mph/1,600rpm135mph/1,800rpm132mph/2,000rpm
Braking 70-0/60-0/30-0mph 46.1/33.2/8.8m47.7/35.1/9.2m48.5/35.1/9.2m48.8/35.1/9.2m
Noise levels outside/idle/30/70mph71/46/57/64dB71/48/58/65dB70/46/56/64dB69/45/59/64dB
Auto Express economy/range29.8mpg/557 miles30.4mpg/568 miles29.7mpg/555 miles21.0mpg/416 miles
Govt urban/extra-urban/combined 32.5/42.8/38.2mpg32.5/42.2/38.2mpg32.1/43.5/38.2mpg25.2/36.2/31.4mpg
Actual/claimed CO2/tax bracket254/195g/km/31%249/195g/km/31%255/195g/km/31%360/238g/km/35%
Airbags/cruise control/IsofixSix/yes/yesSix/yes/yesSix/yes/yesSix/yes/yes
Air-suspension/adaptive dampers£2,330*/£1,030Yes^^/£2,440£1,980**/£1,980**No/no
Park sensors/camera/blind spot alert Yes/£1,022/£436Yes/£520/£390Yes/£835/£415Yes/yes/no
Powered tailgate/stop-start/xenons£436/yes/£1,141£390/yes/yes£510/yes/£1,270No/no/yes
Satellite navigation/aux-in/Bluetooth£2,092/yes/£523£1,885/yes/£575Yes/yes/£485Yes/yes/yes

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