Skip advert
Advertisement

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
Skip advert
Advertisement

New & used car deals

Nissan Qashqai

Nissan Qashqai

RRP £27,415Avg. savings £9,568 off RRP*Used from £13,176
Volkswagen Polo

Volkswagen Polo

RRP £14,575Avg. savings £1,864 off RRP*Used from £7,850
Dacia Spring

Dacia Spring

RRP £14,995Avg. savings £3,297 off RRP*
Omoda 5

Omoda 5

RRP £23,990Avg. savings £2,161 off RRP*
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

New ‘baby’ Range Rover electric SUV: design, technology and full details
Range Rover Velar EV - front (watermarked)

New ‘baby’ Range Rover electric SUV: design, technology and full details

JLR is getting ready to unveil a mid-size electric Range Rover to end its four-year new model drought, and our exclusive images preview how it could l…
News
10 Sep 2025
New Austin Arrow arrives as a retro roadster with electric power
Austin Arrow EV

New Austin Arrow arrives as a retro roadster with electric power

The dinky Austin Arrow EV promises huge fun despite a 20bhp motor
News
9 Sep 2025
Avoid the MG3, says Euro NCAP after critical safety failure in crash test
MG3 - front cornering

Avoid the MG3, says Euro NCAP after critical safety failure in crash test

The MG3 has caused the automotive safety body to review the way it scores crash tests
News
10 Sep 2025