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 |
