Super-saloon megatest - specifications

  Mercedes C63 AMG Lexus IS F BMW M3 saloon Audi RS4
On the road price/total as tested "£51,317/£52,447" "£51,105 /£51,105" "£49,415/£54,245" "£50,105/£52,730"
"Residual value (after 3yrs/36,000)" "£27,403/53.4%" N/A/N/A "£26,486/53.6%" "£27,658/55.2%"
Running costs/contract hire "149.2ppm*/£1,051* " N/A/N/A 139.6ppm/£957 145ppm/£992***
Annual tax liability std/higher rate "£3,951/£7,184" "£3,927/£7,140" "£3,805/£6,918" "£3,858/£7,015/"
"Annual fuel cost (12/20,000 miles)" "£3,762/£6,271" "£3,888/£6,480" "£3,513/£5,855" "£3,295/£5,491"
Ins grp/quote/road tax band/cost 20/N/A/G/£300 TBC/N/A/G/£300 20/£973/G/£300 20/£947/G/£300
Cost of 1st/2nd/3rd service £188/£437/£450 TBC "£1,700 over 3yrs" £380/£480/£380
Length/wheelbase "4,725/2,765mm" "4,660/2,730mm" "4,580/2,761mm" "4,589/2,648mm"
Height/width "1,438/1,795mm" "1,405/1,815mm" "1,447/1,817mm" "1,415/1,816mm"
Engine "V8/6,208cc" "V8/4,969cc" "V8/3,999cc" "V8/4,163cc"
Peak power "451/6,800 bhp/rpm" "417/6,600 bhp/rpm" "414/8,300 bhp/rpm" "414/8,300 bhp/rpm"
Peak torque "600/5,000 Nm/rpm" "505/5,200 Nm/rpm" "400/3,900 Nm/rpm" "430/5,500 Nm/rpm"
Transmission "7-spd, auto/rwd" "8-spd, auto/rwd" "6-spd, man/rwd" "6-spd, man/rwd"
Fuel tank capacity/spare wheel 66 litres/space-saver 64 litres/space-saver 63 litres/foam sealant 63 litres/foam sealant
Kerbweight/payload/towing weight "1,730/505kg" "1,700/410kg" "1,680/545kg" "1,650/600kg"
Turning circle/drag coefficient 10.8 metres/0.31Cd N/A/0.27Cd 11.7 metres/0.31Cd 11.1 metres/0.31Cd
Basic warranty (miles)/recovery 3y (unltd)/30y Mobilo 3y (60k)/3y Toyota 3y (60k)/3yRAC 3y (60k)/3y RAC
Service intervals/UK dealers Variable miles/136 "10,000 miles/51" Variable miles/155 Variable miles/135
Driver Power position (car/dealers) N/A/18 *5/1 N/A/11 N/A/16
Euro NCAP adult/child/pedest/total 5/3/2/79 5/4/2/87 5/4/3/78 4/NA/1/37+
0-60/30-70mph 4.3/3.5/9.5 secs 4.7/3.9/10.8 secs 4.6/3.9/10.0 secs 4.7/3.9/11.1 secs
Standing quarter mile/speed 12.5 secs/117mph 13.4 secs/110mph 12.8 secs/114mph 13.2 secs/109mph
30-50mph in 3rd/4th 2.3/3.5 secs 2.8/3.8 secs 2.7/4.0 secs 2.8/4.1 secs
50-70mph in 5th/6th/7th/8th 5.0/7.0 secs/N/A/N/A 4.4/5.9/7.9/11.3 secs 4.4/5.8 secs/N/A/N/A 5.1/6.8 secs/N/A/N/A
Top speed/rpm at 70mph "155mph**/1,900rpm " "168mph/1,800rpm" "155mph**/2,900rpm" "155mph**/2,900rpm"
Braking 70-0/60-0/30-0mph 45.3/33.2/8.8 metres 43.7/33.2/8.6 metres 43.9/32.1/8.1 metres 46.2/34.1/8.5 metres
Noise levels outside/idle/30/70mph 65/48/62/69db 60/47/60/70db 63/51/64/73db 64/47/60/69db
Auto Express economy/range 15.5mpg/225 miles 15.0mpg/211 miles 16.6mpg/230 miles 17.7mpg/245 miles
Govt urban/extra-urban/combined 13.5/30.7/21.1mpg 16.8/34.0/24.8mpg 15.8/30.7/22.8mpg 13.7/30.1/20.9mpg
Actual/claimed CO2/tax bracket 421/319g/km/35% 435/270g/km/35% 393/295g/km/35% 369/324g/km/35%
Airbags/Isofix/park/rain sensors Seven/yes/£605/yes 10/yes/yes/yes Six/yes/yes^^/yes Six/yes/yes/no
Clim ctrl/elec/leather/heat seats Yes/yes/yes/yes Yes/yes/yes/yes Yes/yes/yes/£260 Yes/yes/yes/yes
Elec roof/met paint/xenon lights Yes/yes/yes £800/yes/yes £675/yes/yes £850/yes/yes
Auto box/adaptive susp/keyless Yes/£312^/no Yes/yes/yes "£2,590/£1,295/£430" No/no/no
Sat-nav/DAB/aux input/Bluetooth £750/£320/yes/yes Yes/no/yes/yes Yes/£280/yes/£535 £500/no/£175/£400

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