BMW 7 Series vs Porsche 911 Carrera Cabriolet: cost to own

Verdict, over 6 years

The BMW 7 Series costs about $64,930 less

That's $902 a month. Closest matching trims: same fuel and drive where possible.
7 Series 740 xDrive M Sport Edition✓ $3,472/moTrue cost
911 Carrera Cabriolet 4S Cabriolet$4,373/moTrue cost
2027 BMW 7 Series
2027 BMW 7 Series
Closest matching trim: 7 Series 740 xDrive M Sport Edition
Sticker (MSRP)$154,500
+$36,578→↓Freight, fees, HST
Drive away$191,078
+ running costs→↓− $75,705 resale
True cost$3,472/moA month to own, after resale
2027 Porsche 911 Carrera Cabriolet
2027 Porsche 911 Carrera Cabriolet
Closest matching trim: 911 Carrera Cabriolet 4S Cabriolet
Sticker (MSRP)$189,000
+$52,935→↓Freight, fees, HST
Drive away$241,935
+ running costs→↓− $92,610 resale
True cost$4,373/moA month to own, after resale

Line by line

Price
Sticker (MSRP)✓ $154,500$189,0007 Series by $34,500
Freight and fees, before tax✓ $14,596$25,1027 Series by $10,506
Sales tax (HST)✓ $21,982$27,8337 Series by $5,851
Drive-away price✓ $191,078$241,9357 Series by $50,857
Running costs, 6 years
Fuel or charging✓ $17,982$22,7777 Series by $4,795
Insurance (estimate)✓ $26,923$32,5987 Series by $5,675
Maintenance (estimate)$12,850$12,850—
Loan rate6.5%6.5%—
Loan interest✓ $39,135$49,8317 Series by $10,696
Lost return on your money✓ $37,600$47,4127 Series by $9,812
Resale after 6 yrs−$75,705✓ −$92,610911 Carrera Cabriolet by $16,905
Total
True cost✓ $249,954$314,8847 Series by $64,930
True cost a month✓ $3,472/mo$4,373/mo7 Series by $901
You pay each month✓ $3,931/mo$4,932/mo7 Series by $1,001
Practical
Fuel typePremium gasPremium gas—
Seats54—
Carry-ons, 2 peopleNot publishedNot published—
Cargo behind row 2, litresNot publishedNot published—
Length5.40 m4.54 m—
Resale % after 6 yrs49%49%—
US crash testNot rated yetNot rated yet—
Price
Sticker (MSRP)
7 Series 740 xDrive M Sport Edition ✓ $154,500911 Carrera Cabriolet 4S Cabriolet $189,000Cheaper by 7 Series by $34,500
Freight and fees, before tax
7 Series 740 xDrive M Sport Edition ✓ $14,596911 Carrera Cabriolet 4S Cabriolet $25,102Cheaper by 7 Series by $10,506
Sales tax (HST)
7 Series 740 xDrive M Sport Edition ✓ $21,982911 Carrera Cabriolet 4S Cabriolet $27,833Cheaper by 7 Series by $5,851
Drive-away price
7 Series 740 xDrive M Sport Edition ✓ $191,078911 Carrera Cabriolet 4S Cabriolet $241,935Cheaper by 7 Series by $50,857
Running costs, 6 years
Fuel or charging
7 Series 740 xDrive M Sport Edition ✓ $17,982911 Carrera Cabriolet 4S Cabriolet $22,777Cheaper by 7 Series by $4,795
Insurance (estimate)
7 Series 740 xDrive M Sport Edition ✓ $26,923911 Carrera Cabriolet 4S Cabriolet $32,598Cheaper by 7 Series by $5,675
Maintenance (estimate)
7 Series 740 xDrive M Sport Edition $12,850911 Carrera Cabriolet 4S Cabriolet $12,850Cheaper by —
Loan rate
7 Series 740 xDrive M Sport Edition 6.5%911 Carrera Cabriolet 4S Cabriolet 6.5%Cheaper by —
Loan interest
7 Series 740 xDrive M Sport Edition ✓ $39,135911 Carrera Cabriolet 4S Cabriolet $49,831Cheaper by 7 Series by $10,696
Lost return on your money
7 Series 740 xDrive M Sport Edition ✓ $37,600911 Carrera Cabriolet 4S Cabriolet $47,412Cheaper by 7 Series by $9,812
Resale after 6 yrs
7 Series 740 xDrive M Sport Edition −$75,705911 Carrera Cabriolet 4S Cabriolet ✓ −$92,610Cheaper by 911 Carrera Cabriolet by $16,905
Total
True cost
7 Series 740 xDrive M Sport Edition ✓ $249,954911 Carrera Cabriolet 4S Cabriolet $314,884Cheaper by 7 Series by $64,930
True cost a month
7 Series 740 xDrive M Sport Edition ✓ $3,472/mo911 Carrera Cabriolet 4S Cabriolet $4,373/moCheaper by 7 Series by $901
You pay each month
7 Series 740 xDrive M Sport Edition ✓ $3,931/mo911 Carrera Cabriolet 4S Cabriolet $4,932/moCheaper by 7 Series by $1,001
Practical
Fuel type
7 Series 740 xDrive M Sport Edition Premium gas911 Carrera Cabriolet 4S Cabriolet Premium gasCheaper by —
Seats
7 Series 740 xDrive M Sport Edition 5911 Carrera Cabriolet 4S Cabriolet 4Cheaper by —
Carry-ons, 2 people
7 Series 740 xDrive M Sport Edition Not published911 Carrera Cabriolet 4S Cabriolet Not publishedCheaper by —
Cargo behind row 2, litres
7 Series 740 xDrive M Sport Edition Not published911 Carrera Cabriolet 4S Cabriolet Not publishedCheaper by —
Length
7 Series 740 xDrive M Sport Edition 5.40 m911 Carrera Cabriolet 4S Cabriolet 4.54 mCheaper by —
Resale % after 6 yrs
7 Series 740 xDrive M Sport Edition 49%911 Carrera Cabriolet 4S Cabriolet 49%Cheaper by —
US crash test
7 Series 740 xDrive M Sport Edition Not rated yet911 Carrera Cabriolet 4S Cabriolet 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 $34,500.