Auto Express UK track tests the new BMW M135i versus the Subaru WRX STI 340R. Here's how they compare on paper.
BMW M135i
3 liter inline 6 cylinder
316 hp / 450 Nm torque
0-62 mph (0-100kmh) in 5.1 seconds (manual), 4.9 seconds (automatic)
Weight: 3174 lbs
Subaru WRX STI 340R
2.5 liter 4 cylinder
316 hp / 450 Nm torque
0-60 mph in 4.7 seconds
Weight: 3249 lbs
And here's how they compare in real life on the track.