Facts and figures
Check out the full specs of BMW M135i vs Subaru WRX STi 320R.
| BMW M135i Automatic | Subaru WRX STi 320R | |
| On the road price/total as tested | £31,595/£34,720 | £27,744/£28,274 |
| Residual value (after 3yrs/36,000) | £13,870/43.9% | £12,513/45.1% |
| Depreciation | £17,725 | £15,231 |
| Annual tax liability std/higher rate | £1,546/£3,097 | £1,829/£3,658 |
| Annual fuel cost (12k/20k miles) | £3,378/£5,630 | £3,694/£6,156 |
| Ins. group/quote/road tax band/cost | 39/£513/H/£195 | 40/£669/L/£460 |
| Cost of 1st/2nd/3rd service | £1,000 (5yrs) | £220/£300/£310 |
| Length/wheelbase | 4,324/2,690mm | 4,580/2,625mm |
| Height/width | 1,421/1,765mm | 1,470/1,795mm |
| Engine | 6cyl in-line/2,979cc | Flat-four/2,457cc |
| Peak power/revs | 316/5,800 bhp/rpm | 316/5,300 bhp/rpm |
| Peak torque/revs | 450/1,250 Nm/rpm | 450/3,500 Nm/rpm |
| Transmission | 8-spd auto/rwd | 6-spd man/4WD |
| Fuel tank capacity/spare wheel | 52 litres/foam | 60 litres/sp. saver |
| Boot capacity (seats up/down) | 360/1,200 litres | 420/1,216 litres |
| Kerbweight/payload | 1,515/530kg | 1,505/475kg |
| Turning circle/drag coefficient | 10.9m/0.33Cd | 11.0m/0.34Cd |
| Basic warranty (miles)/recovery | 3yrs (unltd)/3yrs | 3yrs (60k)/3yrs |
| Service intervals/UK dealers | Variable/153 | 10k miles (1yr)/59 |
| Driver Power manufacturer/dealer pos. | 14th/16th | 11th/8th |
| Euro NCAP: Adult/child/ped./stars | 91/83/63/5 | 84/73/72/4 |
| 0-60/30-70mph | 4.8/4.0 secs | 5.6/5.2 secs |
| 30-50mph in 3rd/4th | 1.9/2.4 secs | 2.8/5.3 secs |
| 50-70mph in 5th/6th/7th/8th | 3.2/4.1/5.2/7.5 secs | 5.3/10.1s/N/A/N/A |
| Top speed/rpm at 70mph | 155mph/2,000rpm | 158mph/2,500rpm |
| Braking 70-0/60-0/30-0mph | 43.7/31.8/8.7m | 47.0/34.0/9.1m |
| Auto Express econ (mpg/mpl)/range | 23.4/5.2/268 miles | 21.4/4.8/282 miles |
| Govt urban/extra-urban/combined | 27.4/48.7/37.7mpg | 20.0/33.6/26.9mpg |
| Govt urban/extra-urban/combined | 6.9/10.8/8.4mpl | 4.4/7.5/6.0mpl |
| Actual/claimed CO2 | 279/175g/km | 305/243g/km |
| Tax bracket | 26% | 35% |
| Airbags/Isofix/rear parking sensors | Six/yes/£345 | Six/yes/DFO |
| Climate control/leather/heated seats | Yes/yes/£265 | Yes/no/no |
| Met paint/xenon lights/keyless go | £515/yes/£310 | £500/yes/yes |
| Sat-nav/USB connection/Bluetooth | £1,550/yes/yes | DFO/yes/yes |
| Stability/cruise control/DAB radio | Yes/£360^/£295 | Yes/yes/no |
