Ripping up the rule book - specifications
| BMW X6 xDRIVE 35d | Porsche Cayenne Diesel | |
|---|---|---|
| On the road price/total as tested | £44,535/£54,260 | £39,404/£45,019 |
| Residual value (after 3yrs/36,000) | £22,401/50.3% | N/A |
| Annual tax liability std/higher rate | £3,117/£6,235 | £2,758/£5,517 |
| Annual fuel cost (12k/20k miles) | £2,393/£3,988 | £2,648/£4,414 |
| Ins. grp./quote/road tax band/cost | 47/£698/F/£210 | N/A/N/A/G/£400 |
| Cost of 1st/2nd/3rd service | £995^ | N/A |
| Length/wheelbase | 4,877/2,933mm | 4,798/2,885mm |
| Height/width | 1,690/1,983mm | 1,699/1,928mm |
| Engine | 6cyl in-line/2,993cc | V6/2,967cc |
| Peak power | 282/4,400 bhp/rpm | 237/4,000 bhp/rpm |
| Peak torque | 580/1,750 Nm/rpm | 550/2,000 Nm/rpm |
| Transmission | 6-spd auto/4wd | 6-spd Tiptronic/4wd |
| Fuel tank capacity/spare wheel | 85 litres/run flats | 100 litres/foam |
| Boot capacity (seats up/down) | 570/1,450 litres | 540/1,770 litres |
| Kerbweight/payload | 2,110/600kg | 2,240/775kg |
| Turning circle/drag coefficient | 10.4 metres/0.33Cd | 12.0 metres/0.35Cd |
| Basic warranty (miles)/recovery | 3yrs (unltd)/3yrs | 2yrs (unltd)/2yrs |
| Service intervals/UK dealers | Variable/153 | 20,000 miles/34 |
| Driver Power manufacturer/dealer pos. | 6th/12th | 4th/5th |
| Euro NCAP: Adult/child/ped./points | N/A | N/A |
| 0-60/30-70mph | 6.8/7.2 secs | 7.4/7.2 secs |
| 30-50mph in kickdown | 3.0 secs | 2.9 secs |
| 50-70mph in kickdown | 4.0 secs | 4.3 secs |
| Top speed/rpm at 70mph | 147mph/2,000rpm | 133mph/2,100rpm |
| Braking 70-0/60-0/30-0mph | 47.0/34.0/8.6m | 51.0/37.0/9.5m* |
| Noise levels outside/idle/30/70mph | 65/45/58/67dB | 67/43/58/66dB |
| Auto Express economy/range | 22.8mpg/426 miles | 20.6mpg/453 miles |
| Govt urban/extra-urban/combined | 26.9/36.8/34.0mpg | 24.4/35.8/30.4mpg |
| Actual/claimed CO2/tax bracket | 332/220g/km/35% | 367/244g/km/35% |
| Airbags/Isofix/parking sensors | Ten/yes/yes | Six/yes/£527 |
| Air-suspension/tow bar | £2,250**/£600 | £1,931/£442 |
| Power-fold mirrors/heated seats | £235/£295 | Yes/£407 |
| Sat-nav/aux-in/cruise control | £1,805/yes/yes | £2,048/£74/£287 |
| Xenon lights/powered tailgate | Yes/£380 | £1,016/£415 |
