Audi S5 vs BMW 5 Series: cost to own

Verdict, over 6 years

They cost about the same

Within $1,187: too close to call. Closest matching trims: same fuel and drive where possible.
S5 TFSI quattro S tronic$1,856/moTrue cost
5 Series 530i xDrive Sedan$1,872/moTrue cost
2026 Audi S5
2026 Audi S5
Closest matching trim: S5 TFSI quattro S tronic
Sticker (MSRP)$70,950
+$13,384→↓Freight, fees, HST
Drive away$84,334
+ running costs→↓− $34,766 resale
True cost$1,856/moA month to own, after resale
2027 BMW 5 Series
2027 BMW 5 Series
Closest matching trim: 5 Series 530i xDrive Sedan
Sticker (MSRP)$73,900
+$13,783→↓Freight, fees, HST
Drive away$87,683
+ running costs→↓− $36,211 resale
True cost$1,872/moA month to own, after resale

Line by line

Price
Sticker (MSRP)✓ $70,950$73,900S5 by $2,950
Freight and fees, before tax✓ $3,682$3,696S5 by $14
Sales tax (HST)✓ $9,702$10,087S5 by $385
Drive-away price✓ $84,334$87,683S5 by $3,349
Running costs, 6 years
Fuel or charging$20,380✓ $17,9825 Series by $2,398
Insurance (estimate)✓ $17,025$17,355S5 by $330
Maintenance (estimate)$12,850$12,850—
Loan rate6.5%6.5%—
Loan interest✓ $16,685$17,390S5 by $705
Lost return on your money✓ $17,006$17,652S5 by $646
Resale after 6 yrs−$34,765✓ −$36,2115 Series by $1,446
Total
True cost✓ $133,605$134,792S5 by $1,187
True cost a month✓ $1,856/mo$1,872/moS5 by $16
You pay each month✓ $2,033/mo$2,060/moS5 by $27
Practical
Fuel typePremium gasPremium gas—
Seats55—
Carry-ons, 2 peopleNot publishedNot published—
Cargo behind row 2, litresNot publishedNot published—
Length—5.06 m—
Resale % after 6 yrs49%49%—
US crash testNot rated yetNot rated yet—
Price
Sticker (MSRP)
S5 TFSI quattro S tronic ✓ $70,9505 Series 530i xDrive Sedan $73,900Cheaper by S5 by $2,950
Freight and fees, before tax
S5 TFSI quattro S tronic ✓ $3,6825 Series 530i xDrive Sedan $3,696Cheaper by S5 by $14
Sales tax (HST)
S5 TFSI quattro S tronic ✓ $9,7025 Series 530i xDrive Sedan $10,087Cheaper by S5 by $385
Drive-away price
S5 TFSI quattro S tronic ✓ $84,3345 Series 530i xDrive Sedan $87,683Cheaper by S5 by $3,349
Running costs, 6 years
Fuel or charging
S5 TFSI quattro S tronic $20,3805 Series 530i xDrive Sedan ✓ $17,982Cheaper by 5 Series by $2,398
Insurance (estimate)
S5 TFSI quattro S tronic ✓ $17,0255 Series 530i xDrive Sedan $17,355Cheaper by S5 by $330
Maintenance (estimate)
S5 TFSI quattro S tronic $12,8505 Series 530i xDrive Sedan $12,850Cheaper by —
Loan rate
S5 TFSI quattro S tronic 6.5%5 Series 530i xDrive Sedan 6.5%Cheaper by —
Loan interest
S5 TFSI quattro S tronic ✓ $16,6855 Series 530i xDrive Sedan $17,390Cheaper by S5 by $705
Lost return on your money
S5 TFSI quattro S tronic ✓ $17,0065 Series 530i xDrive Sedan $17,652Cheaper by S5 by $646
Resale after 6 yrs
S5 TFSI quattro S tronic −$34,7655 Series 530i xDrive Sedan ✓ −$36,211Cheaper by 5 Series by $1,446
Total
True cost
S5 TFSI quattro S tronic ✓ $133,6055 Series 530i xDrive Sedan $134,792Cheaper by S5 by $1,187
True cost a month
S5 TFSI quattro S tronic ✓ $1,856/mo5 Series 530i xDrive Sedan $1,872/moCheaper by S5 by $16
You pay each month
S5 TFSI quattro S tronic ✓ $2,033/mo5 Series 530i xDrive Sedan $2,060/moCheaper by S5 by $27
Practical
Fuel type
S5 TFSI quattro S tronic Premium gas5 Series 530i xDrive Sedan Premium gasCheaper by —
Seats
S5 TFSI quattro S tronic 55 Series 530i xDrive Sedan 5Cheaper by —
Carry-ons, 2 people
S5 TFSI quattro S tronic Not published5 Series 530i xDrive Sedan Not publishedCheaper by —
Cargo behind row 2, litres
S5 TFSI quattro S tronic Not published5 Series 530i xDrive Sedan Not publishedCheaper by —
Length
S5 TFSI quattro S tronic —5 Series 530i xDrive Sedan 5.06 mCheaper by —
Resale % after 6 yrs
S5 TFSI quattro S tronic 49%5 Series 530i xDrive Sedan 49%Cheaper by —
US crash test
S5 TFSI quattro S tronic Not rated yet5 Series 530i xDrive Sedan Not rated yetCheaper by —

✓ marks the better figure. Resale for both is typical for their type and brand (unless you lease). Their stickers differ by $2,950.