BMW Z3 M Roadster and M Coupe vs G80 M3

Too close to call on the Guide Score: 2 points apart, and the places each could hold overlap. Read the parts and the cost to own.

First car Second car

BMW Z3 M Roadster and M Coupe

91Guide Score for 1999Exceptionalabout $2,321 a year to own

Provisional: places 3 to 18 of 69

BMW G80 M3

89Guide Score for 2022Excellentabout $2,818 a year to own

About 10th of 69, likely 4th to 19th

The seven parts and acclaim, side by side, each with its share of that car’s score
Part	Z3 M Roadster and M Coupe	G80 M3
Heritage	27 counts 15 of 100	34 counts 16 of 100
Engine	64 counts 15 of 100	62 counts 16 of 100
Drive feel	79 counts 21 of 100	76 counts 21 of 100
Analog connection	95 counts 10 of 100	74 counts 10 of 100
Weight	97 counts 10 of 100	72 counts 10 of 100
Long-term value	not measured	not measured
Ownership	45 counts 13 of 100	69 counts 12 of 100
Acclaim	70 counts 15 of 100	73 counts 16 of 100
Chance of a bill over $10,000 in five years	1.8%	under 0.1%
Cost to own a year	$2,321 ($1,575 to $3,499)	$2,818 ($1,870 to $4,652)
The bills that decide it	Differential mount and trunk floor cracking; Rust (body repair, the era's price); VANOS wear	Coolant tank and charge-air cooler leaks; Carbon buildup (direct injection); Infotainment software glitches

Guide Score method v5-final.14; each score is shown with its cost to own (about $2,321 a year to own and about $2,818 a year to own at each best year). How it works.