BMW Z4 vs rivals - specifications

 Porsche BoxsterBMW Z4 sDrive23iMercedes SLK 280
On the road price/total as tested£33,704/£43,324£28,650/£32,045£32,290/£36,028
Residual value (after 3yrs/36,000)£12,909/38.3%£9,540/33.3%£15,499/48.0%
Annual tax liability std/higher rate£2,224/£4,449£1,547/£3,094£2,067/£4,133
Annual fuel cost (12k/20k miles)£2,015/£3,359£1,706/£2,844£2,046/£3,410
Insurance group/quote43/£76540/N/A42/£514
Road tax band/costK/£215J/£215K/£215
Cost of 1st/2nd/3rd service£438/£577/£438£885 (5yrs inclusive)£229/£329/£229
Length/wheelbase4,342/2,415mm4,239/2,496mm4,103/2,430mm
Height/width1,292/1,801mm1,291/1,790mm1,296/1,777mm
Engine6cyl boxer/2,893cc6cyl in-line/2,497cc6cyl V6/2,996cc
Peak power 251/7,200 bhp/rpm201/6,400 bhp/rpm227/6,000 bhp/rpm
Peak torque 290/4,400 Nm/rpm250/2,750 Nm/rpm300/2,500 Nm/rpm
Transmission 6-spd man/rwd6-spd man/rwd6-spd man/rwd
Fuel tank capacity/spare wheel64litres/foam sealant55 litres/run-flats70 litres/space saver
Boot capacity (roof up/down) 280/280 litres*310/180 litres300/208 litres
Kerbweight/payload1,335/300kg1,480/330kg1,455/315kg
Turning circle/drag coefficient11.1 metres/0.29Cd10.7 metres/0.34Cd10.5 metres/N/A
Basic warranty (miles)/recovery2yrs (unltd)/2yrs3yrs (unltd)/3yrs3yrs (unltd)/4yrs
Service intervals/UK dealers20,000 miles/34Variable miles/22315,000 miles/136
Driver Power maker/dealer pos.3rd (09)/5th (08)8th (09)/12th (08)9th (09)/14th (08)
0-60/30-70mph6.0/5.4 secs6.4/7.0 secs6.4/6.1 secs
30-50mph in 3rd/4th 4.0/5.3 secs3.8/5.4 secs3.4/5.0 secs
50-70mph in 5th/6th 6.2/7.8 secs6.6/8.5 secs6.5/8.6 secs
Top speed/rpm at 70mph 163mph/3,000rpm151mph/2,800rpm155mph/2,600rpm
Braking 70-0/60-0/30-0mph 43.1/30.8/8.4m46.3/35.1/8.5m49.9/35.5/9.5m
Noise levels outside/idle/30/70mph55/47/62/73dB63/40/60/70dB58/43/61/70dB
Auto Express economy/range26.5mpg/373 miles31.3mpg/379 miles26.1mpg/402 miles
Govt urban/extra-urban/combined 20.8/40.9/30.1mpg23.9/45.6/33.2mpg20.3/41.5/29.7mpg
Actual/claimed CO2/tax bracket246/221g/km/33%208/199g/km/27%250/220g/km/32%
Airbags/Isofix/parking sensorsFour/yes/£334Four/yes/£590Four/yes/£592
Air-conditioning/metallic paintYes/£589Yes/ £510Yes/£607
Auto box/stability/cruise control£1,920/yes/£287£1,765/yes/£245£1,575/yes/yes
Leather/heated seats£271/£589£1,015/£280£313/£607
Sat-nav/aux-in/Bluetooth£1,904/yes/£512£2,135/yes/£585£974/yes/yes
Xenon lights/folding hard-top£1,016/noYes/yes£714/yes

Most Popular

Best electric cars to buy 2021
Best electric cars
Electric cars

Best electric cars to buy 2021

There are more electric cars than ever to choose from, so we've picked some of the best you can buy in the UK now
19 Oct 2021
New Kia EV6 2021 review
Kia EV6 front tracking
Kia EV6

New Kia EV6 2021 review

With a sporty drive, 300-plus miles of range and plenty of tech - could the new Kia EV6 be one of the best electric cars on sale?
19 Oct 2021
New Michelin Uptis airless tyre blows in ahead of 2024 launch
Michelin Uptis
News

New Michelin Uptis airless tyre blows in ahead of 2024 launch

The new airless Michelin Uptis is made from rubber and fibreglass and promises to be longer lasting, fuel-saving and recyclable
20 Oct 2021