Porsche 911 Cabriolet vs Audi R8 Spyder - specifications

 Porsche 911 Carrera S Cabrio PDKAudi R8 Spyder 4.2 FSI
On the road price/total as tested£92,127/£98,683£96,625/£101,895
Residual value (after 3yrs/36,000)£44,037/47.8%£56,332/58.3%
Depreciation£48,090£40,293
Annual tax liability std/higher rate£5,867/£11,734£6,688/£13,376
Annual fuel cost (12k/20k miles)£3,102/£5,170£4,389/£7,315
Insurance group/road tax band/cost50/K/£27050/M/£475
Cost of 1st/2nd/3rd service£480/£610/£480£106 per month*
Length/wheelbase4,491/2,450mm4,431/2,650mm
Height/width1,292/1,808mm1,244/1,904mm
EngineFlat-six/3,800ccV8/4,163cc
Peak power/revs 395/7,400 bhp/rpm424/7,900 bhp/rpm
Peak torque/revs 440/5,600 Nm/rpm430/4,500 Nm/rpm
Transmission 7-spd PDK/rwd6-spd manual/4WD
Fuel tank capacity/spare wheel64 litres/sealant80 litres/sealant
Boot capacity 135 litres100 litres
Kerbweight/payload1,485/420kg1,660/300kg
Turning circle/drag coefficient11.1 metres/0.30Cd11.4 metres/0.34Cd
Basic warranty (miles)/recovery2yrs (unltd)/2yrs3yrs (60k)/3yrs
Service intervals/UK dealers18,000 (2yrs)/34Variable/135
Driver Power manufacturer/dealer pos.9th/5th^15th/26th^
Euro NCAP: Adult/child/ped./starsN/AN/A
0-60/30-70mph4.1/3.5 secs4.7/4.6 secs
30-50mph in 3rd/4th3.2/4.7 secs2.8/4.1 secs
50-70mph in 5th/6th5.6/7.3 secs4.9/7.0 secs
Top speed/rpm at 70mph 187mph/1,800rpm186mph/3,000rpm
Braking 70-0/60-0/30-0mph 44.1/32.4/8.0m43.6/32.3/8.2m
Noise 30/70mph roof up/down63/72/66/75dB62/72/66/75dB
Auto Express economy/range24.9mpg/351 miles17.6mpg/430 miles
Govt urban/extra-urban/combined 22.8/40.9/31.7mpg13.3/27.4/19.6mpg
Govt urban/extra-urban/combined 5.0/9.0/7.0mpl 262/210g/km/33%2.9/6.0/4.3mpl
Actual/claimed CO2/tax bracket430/337g/km/35%
Six/£121/£243
Airbags/Isofix/parking sensors£5,787/yesFour/yes/£640
Ceramic brakes/adaptive dampersYes/yes/£320£7,295/£1,380
Climate control/leather/heated seats£801/£267/yesYes/yes/yes
Metallic paint/cruise control/xenonsYes/yes/£445Yes/£220/yes
Sat-nav/USB connection/Bluetooth£1,840/£255/yes

Most Popular

'The death of cheap cars will be a travesty for personal mobility'
Opinion cheap cars
Opinion

'The death of cheap cars will be a travesty for personal mobility'

Our appetite for small, cheap cars is as strong as ever - although Mike Rutherford warns they may no longer be profitable
12 Sep 2021
What is Skoda vRS? History and best cars driven
Skoda vRS range
Skoda

What is Skoda vRS? History and best cars driven

To mark 20 years of Skoda’s vRS badge, we rounded up some of the performance cars from the past two decades that have worn the subtle green badge
17 Sep 2021
E10 petrol explained: UK prices, checker tool and is it OK for your car?
Petrol pump
News

E10 petrol explained: UK prices, checker tool and is it OK for your car?

E10 petrol is up to 10 per cent ethanol and is available at UK fuel stations now as part of the bid to cut CO2 emissions
1 Sep 2021