Real life bulb lifetime test

The test covers H7 bulbs which have been on for the entire milage shown below. Longest lasting bulb in green and shortest in red.
Also notice the small difference in bulb life between the factory fitted
Philips bulbs, and likewise, between the Philips Premium 30% bulbs. Nothing short of amazing.

Bulb:_____________________ Bulb life in miles / kms (car, driving circumstances)
Factory fitted Philips_________14620 / 23530 (Audi A2, highway)
Factory fitted Philips_________14645 / 23565 (Audi A2, highway)

GE Megalight Plus 50%________12523 / 20150 (Audi A2, highway)
GE Megalight Plus 50%________17203 / 27680 (Audi A2, highway)

Philips Premium 30%__________12815 / 20620 (Audi A2, highway)
Philips Premium 30%__________12878 / 20720 (Audi A2, highway)

Osram Silverstar_____________3045 / 4900 (Audi A2, highway)
Osram Silverstar_____________10155 / 16340 (Audi A2, highway)

Osram Nightbreaker___________6463 / 10400 (Audi A2, highway)

Osram Nightbreaker Plus_______ 3412 / 5490 (Peugeot 206, urban)
Osram Nightbreaker Plus_______ 3903 / 6280 (Peugeot 206, urban)

Philips X-treme Power_________N/A (test in progress)
Osram Original Line___________N/A (test in progress)
GE standard equipment_______ N/A (test in progress)

Osram Nightbreaker added

Osram Nightbreaker Plus added