Facts and figures

Facts and figures - full comparison

 Mercedes SL63 AMG Performance PackBMW M6 ConvertibleJaguar XKR-S
On-the-road price/total as tested£123,265/£147,695£99,020/£111,240£103,430/£104,570
Residual value (after 3yrs/30,000)TBC£49,609/50.1%£45,217/43.9%
DepreciationTBC£49,411£57,783
Annual tax liability std/higher rateTBC£6,871/£13,741£7,164/£14,328
Annual fuel cost (12k/20k miles)£5,199/£8,665£5,270/£8,783£5,654/£9,424
Ins. group/quote/road tax band/cost50/£1,096/L/£46050/£1,076/L/£46050/£1,133/M/£475
Cost of 1st/2nd/3rd service£300/£450/£300£1,000 (5yrs/60k miles)£350/£360/£470
    
Length/wheelbase4,617/2,585mm4,898/2,851mm4,794/2,752mm
Height/width1,315/1,877mm1,368/1,899mm1,319/1,892mm
EngineV8/5,461ccV8/4,395ccV8/5,000cc
Peak power556/5,500 bhp/rpm552/6,000 bhp/rpm543/6,000 bhp/rpm
Peak torque900/2,250 Nm/rpm680/1,500 Nm/rpm680/2,500 Nm/rpm
Transmission7-spd auto/rwd7-spd auto/rwd6-spd auto/rwd
Fuel tank capacity/spare wheel75 litres/sealant80 litres/sealant71 litres/sealant
Boot capacity (roof up/down)504/364 litres350/300 litres313/200 litres
Kerbweight/payload1,845/335kg2,055/430kg1,800/385kg
Turning circle/drag coefficient11.1 metres/0.27Cd12.1 metres/0.33Cd10.9 metres/0.34Cd
Basic warranty (miles)/recovery3yrs (unlimited)/4yrs3yrs (unlimited)/3yrs3yrs (unlimited)/3yrs
Service interval/UK dealersVariable/136Variable/15415k miles (1yr)/97
Driver Power manufacturer/dealer pos.8th/10th14th/16th3rd/7th
Euro NCAP: Adult/child/ped./pointsN/AN/AN/A
    
0-60/30-70mph4.0/3.1 secs5.3/3.4 secs4.5/3.6 secs
30-50mph in 3rd/4th1.8/3.0 secs2.5/3.7 secs2.6/3.6 secs
50-70mph in 5th/6th3.3/4.8 secs4.3/5.3 secs4.7/7.2 secs
Top speed/rpm at 70mph186mph/1,800rpm155mph*/1,600rpm186mph/2,000rpm
Braking 70-0/60-0/30-0mph44.3/31.7/9.9m48.0/34.2/9.1m44.9/32.3/9.2m
Noise levels outside/idle/30/70mph65/44/57/64dB69/52/58/64dB69/43/56/65dB
Auto Express econ (mpg/mpl)/range14.9/3.3/246 miles14.7/3.2/259 miles13.7/3.0/214 miles
Govt urban/extra-urban/combined20.3/37.2/28.5mpg19.6/35.8/27.4mpg14.9/33.0/23.0mpg
Govt urban/extra-urban/combined4.5/8.2/6.3mpl4.3/7.9/6.0mpl3.3/7.3/5.1mpl
Actual/claimed CO2/tax bracket438/231g/km/35%444/239g/km/35%476/292g/km/35%
    
Airbags/Isofix/parking sensorsSix/yes/yesSix/yes/yesFour/yes/yes
Act dampers/ceram brakes/digital TVYes/£10,025/£1,130Yes/£7,395/noYes/no/yes
Leather-trimmed/heated/cooled seatsYes/yes/£745Yes/yes/£755Yes/yes/yes
Met paint/xenons/reversing cameraYes/yes/£265Yes/yes/£330Yes/yes/£410
Sat-nav/DAB/Bluetooth connectivityYes/yes/yesYes/yes/yesYes/£360/yes

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