BMW 3 Series vs Cadillac CT5 (2026)

Price gap, MSRP + destination

$2,145

Scored measures. Each is scaled to the larger value. Bold: the winner.

3 Series 330i Sedan RWD vs CT5 Premium Luxury RWD
Measure	3 Series	CT5	Winner
MSRP + destination	$48,850	$50,995	3 Series
Horsepower	255 hp	237 hp	3 Series
Torque	295 lb-ft	258 lb-ft	3 Series
MPG combined	31 mpg	26 mpg	3 Series
Cargo, max	16.9 cu ft	11.9 cu ft	3 Series
Cargo, seats up	16.9 cu ft	11.9 cu ft	3 Series
Rear legroom	35.2 in	37.9 in	CT5
Front legroom	42.0 in	42.4 in	About the same
Length	185.7 in	193.8 in	Not scored
Width	71.9 in	74.0 in	Not scored
Curb weight	3,494 lb to 3,825 lb	3,802 lb	N/A
Seats	5	5	About the same
Ground clearance	5.4 in	N/A	N/A
0-60 mph	N/A	6.4 s estimate	N/A
Basic warranty	4 yr / 50,000 mi	4 yr / 50,000 mi	About the same

Not scored: length, width, curb weight. N/A rows are not counted.

Nearest trims by price

Each trim and the rival trim nearest in MSRP
Trim	Nearest in price	Gap
3 Series 330i Sedan RWD $47,500	CT5 Premium Luxury RWD $49,200	$1,700
CT5 Premium Luxury RWD $49,200	3 Series 330i xDrive Sedan $49,500	$300

Miles a yearGas, $ per gallonElectricity, cents per kWhYears

3 Series costs $3,574 less over 6 years.

12,000 miles a year. Gas $3.20. Electricity 17 cents per kWh.

Weight each group from 0 to 10. MPG uses fuel or charging cost.

Price 5MPG 5Power 5Space 5Towing 5

Equal weights: 3 Series wins.

No single weight change flips the winner.

Your price and mpg will differ.

Reliability and safety are not included.