Audi A5 vs Cadillac CT5: cost to own

Verdict, over 6 years

The Audi A5 costs about $6,572 less

That's $91 a month. Closest matching trims: same fuel and drive where possible.
A5 TFSI quattro S tronic✓ $1,625/moTrue cost
CT5 Premium Luxury AWD$1,716/moTrue cost
2026 Audi A5
2026 Audi A5
Closest matching trim: A5 TFSI quattro S tronic
Sticker (MSRP)$59,100
+$11,844→↓Freight, fees, HST
Drive away$70,944
+ running costs→↓− $28,959 resale
True cost$1,625/moA month to own, after resale
2026 Cadillac CT5
2026 Cadillac CT5
Closest matching trim: CT5 Premium Luxury AWD
Sticker (MSRP)$61,099
+$12,173→↓Freight, fees, HST
Drive away$73,272
+ running costs→↓− $27,184 resale
True cost$1,716/moA month to own, after resale

Line by line

Price
Sticker (MSRP)✓ $59,100$61,099A5 by $1,999
Freight and fees, before tax✓ $3,682$3,744A5 by $62
Sales tax (HST)✓ $8,162$8,430A5 by $268
Drive-away price✓ $70,944$73,272A5 by $2,328
Running costs, 6 years
Fuel or charging✓ $18,182$19,381A5 by $1,199
Insurance (estimate)✓ $15,573$16,695A5 by $1,122
Maintenance (estimate)$12,850✓ $12,059CT5 by $791
Loan rate6.5%6.5%—
Loan interest✓ $13,869$14,359A5 by $490
Lost return on your money✓ $14,423$14,872A5 by $449
Resale after 6 yrs✓ −$28,959−$27,184A5 by $1,775
Total
True cost✓ $116,972$123,544A5 by $6,572
True cost a month✓ $1,625/mo$1,716/moA5 by $91
You pay each month✓ $1,757/mo$1,817/moA5 by $60
Practical
Fuel typePremium gasPremium gas—
Seats55—
Carry-ons, 2 peopleNot published3—
Cargo behind row 2, litresNot published337—
Length—4.92 m—
Resale % after 6 yrs✓ 49%44%—
US crash testNot rated yet✓ 5★—
Price
Sticker (MSRP)
A5 TFSI quattro S tronic ✓ $59,100CT5 Premium Luxury AWD $61,099Cheaper by A5 by $1,999
Freight and fees, before tax
A5 TFSI quattro S tronic ✓ $3,682CT5 Premium Luxury AWD $3,744Cheaper by A5 by $62
Sales tax (HST)
A5 TFSI quattro S tronic ✓ $8,162CT5 Premium Luxury AWD $8,430Cheaper by A5 by $268
Drive-away price
A5 TFSI quattro S tronic ✓ $70,944CT5 Premium Luxury AWD $73,272Cheaper by A5 by $2,328
Running costs, 6 years
Fuel or charging
A5 TFSI quattro S tronic ✓ $18,182CT5 Premium Luxury AWD $19,381Cheaper by A5 by $1,199
Insurance (estimate)
A5 TFSI quattro S tronic ✓ $15,573CT5 Premium Luxury AWD $16,695Cheaper by A5 by $1,122
Maintenance (estimate)
A5 TFSI quattro S tronic $12,850CT5 Premium Luxury AWD ✓ $12,059Cheaper by CT5 by $791
Loan rate
A5 TFSI quattro S tronic 6.5%CT5 Premium Luxury AWD 6.5%Cheaper by —
Loan interest
A5 TFSI quattro S tronic ✓ $13,869CT5 Premium Luxury AWD $14,359Cheaper by A5 by $490
Lost return on your money
A5 TFSI quattro S tronic ✓ $14,423CT5 Premium Luxury AWD $14,872Cheaper by A5 by $449
Resale after 6 yrs
A5 TFSI quattro S tronic ✓ −$28,959CT5 Premium Luxury AWD −$27,184Cheaper by A5 by $1,775
Total
True cost
A5 TFSI quattro S tronic ✓ $116,972CT5 Premium Luxury AWD $123,544Cheaper by A5 by $6,572
True cost a month
A5 TFSI quattro S tronic ✓ $1,625/moCT5 Premium Luxury AWD $1,716/moCheaper by A5 by $91
You pay each month
A5 TFSI quattro S tronic ✓ $1,757/moCT5 Premium Luxury AWD $1,817/moCheaper by A5 by $60
Practical
Fuel type
A5 TFSI quattro S tronic Premium gasCT5 Premium Luxury AWD Premium gasCheaper by —
Seats
A5 TFSI quattro S tronic 5CT5 Premium Luxury AWD 5Cheaper by —
Carry-ons, 2 people
A5 TFSI quattro S tronic Not publishedCT5 Premium Luxury AWD 3Cheaper by —
Cargo behind row 2, litres
A5 TFSI quattro S tronic Not publishedCT5 Premium Luxury AWD 337Cheaper by —
Length
A5 TFSI quattro S tronic —CT5 Premium Luxury AWD 4.92 mCheaper by —
Resale % after 6 yrs
A5 TFSI quattro S tronic ✓ 49%CT5 Premium Luxury AWD 44%Cheaper by —
US crash test
A5 TFSI quattro S tronic Not rated yetCT5 Premium Luxury AWD ✓ 5★Cheaper by —

✓ marks the better figure. Resale for both is typical for their type and brand (unless you lease). Their stickers differ by $1,999.