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Facts and figures

BMW M135i AUTOMERCEDES A45 AMG
On the road price/total as tested£32,595/£9,685£37,845/£51,245
Residual value (after 3yrs/36,000)£14,863/45.6%£18,582/49.1%
Depreciation£17,732£19,263
Annual tax liability std/higher rate£1,752/£3,504£1,806/£3,611
Annual fuel cost (12k/20k miles)£3,017/£5,028£3,212/£5,353
Ins. group/quote/road tax band/cost39/£429/H/£20043/£450/G/£175
Cost of 1st/2nd/3rd service£375 (5yrs/50k)£22.50pm
Length/wheelbase4,324/2,690mm4,292/2,699mm
Height/width1,421/1,765mm1,433/1,780mm
Engine6cyl in-line/2,979cc4cyl in-line/1,991cc
Peak power/revs316/5,800 bhp/rpm355/6,000 bhp/rpm
Peak torque/revs450/1,300Nm/rpm450/2,250 Nm/rpm
Transmission8-spd auto/rwd7-spd auto/4wd
Fuel tank capacity/spare wheel52 litres/run-flat56 litres/sealant
Boot capacity (seats up/down)360/1,200 litres341/1,157 litres
Kerbweight/payload1,520/530kg1,555/525kg
Turning circle/drag coefficient10.9 metres/0.33Cd11.0 metres/N/A
Basic warranty (miles)/recovery3yrs (unltd)/3yrs3yrs (unltd)/4yrs
Service intervals/UK dealersVariable/153Variable/136
Driver Power manufacturer/dealer pos.15th/24th5th/12th
Euro NCAP: Adult/child/ped./stars91/83/63/593/81/67/5
0-60/30-70mph5.0/4.1 secs4.3/3.8 secs
30-50mph in 3rd/4th2.0/2.4 secs 2.3/4.0 secs
50-70mph in 5th/6th3.2/4.2/5.2/7.0 secs4.7/9.1/16.9 secs/N/A
Top speed/rpm at 70mph155mph/2,000rpm155mph/1,800rpm
Braking 70-0/60-0/30-0mph45.3/33.5/8.3m45.8/33.7/8.5m
Noise outside/idle/30/70mph64/41/62/75dB70/56/63/73dB
Auto Express econ (mpg/mpl)/range26.4/5.8/302 miles24.8/5.5/305 miles
Govt urban/extra-urban/combined27.4/48.7/37.7mpg32.1/48.7/40.9mpg
Govt urban/extra-urban/combined6.1/10.8/8.4mpl7.1/10.6/9.0mpl
Actual/claimed CO2/tax bracket247/175g/km/27%263/161g/km/24%
Airbags/Isofix/rear parking sensorsSix/yes/£360Seven/yes/yes
Auto box/stability/cruise controlYes/yes/£385*Yes/yes/yes
Climate ctrl./leather/heated seatsYes/yes/£295Yes/£2,120*/£300
Met. paint/xenon lights/keyless go£550/yes/£350£570/yes/no
Sat-nav/USB/DAB radio/Bluetooth£990/yes/yes£495/yes/yes
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