Coupé-cabriolets tested - specifications

  Ferrari California Mercedes SL350 BMW Z4 Mazda MX-5
On the road price/total as tested £143,870/£199,374 £66,905/£78,945 £44,220/£50,050 £22,730/£23,140
Residual value (after 3yrs/36,000) N/a £26,294/39.3% £21,358/48.3% £9,524/41.9%
Annual tax liability std/higher rate £10,071/£20,142 £4,550/£9,099 £2,742/£5,483 £1,182/£2,364
Annual fuel cost* (12k/20k miles) £2,980/£ 4,967 £2,212/£3,687 £2,050/£3,417 £1,798/£2,997
Ins. grp./quote/road tax band/cost n/a/n/a/M/£435 50/£1,345/L/£425 43/£1,384/K/£245 26E/£503/J/£235
Length/wheelbase 4,563/2,670mm 4,582/2,560mm 4,239/2,496mm 4,020/2,330mm
Height/width 1,308/1,902mm 1,298/1,820mm 1,291/1,511mm 1,255/1,720mm
Engine V8/4,297cc V6/3,498cc 6cyl in line/2,979cc 4cyl in line/1,999cc
Peak power 453/7,750 bhp/rpm 311/6,500 bhp/rpm 335/5,900 bhp/rpm 157/6,700 bhp/rpm
Peak torque 485/5,000 Nm/rpm 360/4,900 Nm/rpm 450/1,500 Nm/rpm 180/5,000 Nm/rpm
Transmission 7-spd dual-clutch/rwd 7-spd auto/rwd 7-spd DCT/rwd 6-spd auto/rwd
Fuel tank capacity/spare wheel 78 litres/foam 80 litres/foam 55 litres/runflat 50 litres/space saver
Boot capacity (roof up/down) 340/240 litres 339/235 litres 310/180 litres 150/150 litres
Kerbweight 1735kg 1,825kg 1,600kg 1,111kg
Turning circle/drag coefficient N/A/0.32Cd 11.0 metres/0.30Cd 10.0 metres/0.35Cd 9.4 metres/N/A
Basic warranty (miles)/recovery 4yrs (unltd)/4yrs 3yrs (unltd)/30yrs 3yrs (unltd)/3yrs 3yrs (60,000)/3yrs
Service intervals/UK dealers 12,500 miles/16 Variable/136 Variable/154 12,000 miles/173
Roof folding time: down/up 17.4/16.8 secs 17.5/19.2 secs 23.9/24.3 secs 15.2/17.6 secs
0-62mph Under 4 secs 6.2 secs 4.8 secs 8.9 secs
Top speed 193mph 155mph 155mph 121mph
Noise with roof up: 30/70mph 66/72dB 60/68dB 68/72dB 67.0/72dB
Govt urban/extra-urban/comb econ N/A/N/A/21.6mpg 20.5/39.2/29.1mpg 22.4/40.9/31.4mpg 25.9/46.3/35.8mpg
Claimed CO2/tax bracket 306g/km/35% 226/g/km/34% 210g/km/31% 188g/km/26%
Airbags/front/rear parking sensors Four/£901/yes Six/£605**/£605** Six/£605**/£605** Six/£646/£646^
Climate control/heated seats/Isofix Yes/yes/yes Yes/yes/yes Yes/£285/yes Yes/yes/no
Cruise ctrl/active dampers/met paint £641/£3,132/yes Yes/£1,440/yes No/yes/yes Yes/no/£410
Pop-up roll bars/wind deflector Yes/yes Yes/yes Yes/£210 No/yes
Satellite navigation/aux in Yes/£540 Yes/yes £2,180/yes £1,085^/yes

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