BMW M550i vs M5 (G30 facelift vs F90)

Too close to call on the Guide Score: 16 points apart, and the places each could hold overlap. Read the parts and the cost to own.

BMW M550i G30 post-LCI

65Guide Score for 2023Goodabout $2,667 a year to own

About 33rd of 69, likely 24th to 51st

BMW F90 M5

81Guide Score for 2023Excellentabout $3,231 a year to own

About 20th of 69, likely 9th to 33rd

The seven parts and acclaim, side by side, each with its share of that car’s score
PartM550i G30 post-LCIF90 M5
Heritage3 counts 15 of 10038 counts 15 of 100
Engine46 counts 15 of 10053 counts 15 of 100
Drive feel66 counts 20 of 10073 counts 20 of 100
Analog connection64 counts 10 of 10069 counts 10 of 100
Weight58 counts 10 of 10055 counts 10 of 100
Long-term valuenot measurednot measured
Ownership69 counts 17 of 10061 counts 14 of 100
Acclaim40 counts 15 of 10065 counts 15 of 100
Chance of a bill over $10,000 in five yearsunder 0.1%3.3%
Cost to own a year$2,667 ($1,789 to $4,001)$3,231 ($2,100 to $4,976)
The bills that decide itOil and coolant leaks (hot vee); Valve stem seals (older or tracked)Rod bearing wear (S63); Carbon buildup (direct injection); Transfer case / xDrive components

Guide Score method v5-final.14; each score is shown with its cost to own (about $2,667 a year to own and about $3,231 a year to own at each best year). How it works.