Among 95 sedans and coupes with a similar-sized cabin, the average is 15.7 cu ft, so the 550i carries less than 95% of them. It gives 8.2% of its interior to luggage, one of the smallest shares we measure.
What actually fits in a 550i
The trunk shrank from 14 cu ft in 2006 to 10 cu ft in 2017. The biggest single change came in 2017: −4 cu ft against the 2016 car.
| What you are loading | How many fit | Each item |
|---|---|---|
| Checked suitcases | 1 | 27 × 21 × 14″ — 4.6 cu ft |
| Carry-on cases | 5 | 22 × 14 × 9″ — 1.6 cu ft |
| Grocery bags | 8 | about 1 cu ft each |
| Golf bags | 1 | full set, about 5 cu ft |
| Folded stroller | Fits | about 6 cu ft |
Cabin or cargo — where the space went
| Space | Volume | Share of total |
|---|---|---|
| Passenger cabin | 112 cu ft | |
| Cargo area | 10 cu ft | |
| Total interior | 122 cu ft |
Against cars with a similar cabin
| Measure | This car | 95 sedans and coupes with a similar cabin | Difference |
|---|---|---|---|
| Cargo volume | 10 cu ft | 15.7 cu ft | -5.7 cu ft |
| In checked suitcases | 1 | 2 | -1 |
Cars with the same room
Against its closest rivals: the Cadillac CTS has 13 cu ft, the Ford Fusion 16 cu ft and the Buick LaCrosse 16 cu ft, next to 10 cu ft for the 550i. That makes the 550i the tightest of the four.
| Car | Trunk volume | vs BMW 550i | Checked suitcases | Measured |
|---|---|---|---|---|
| BMW 535i | 0 cu ft | 1 | 2017 | |
| Infiniti M35h | +1 cu ft | 1 | 2013 | |
| Bentley Mulsanne | +1 cu ft | 1 | 2020 | |
| BMW 328i | +3 cu ft | 2 | 2016 | |
| Audi A8 L | +3 cu ft | 2 | 2023 | |
| BMW ActiveHybrid 7 | +3 cu ft | 2 | 2012 |
Trunk space is one number. Buying is a longer list.
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Frequently asked questions
How much cargo space does the BMW 550i have?
10 cu ft in the trunk in the 2017 model, with 112 cu ft of passenger space. The average for 95 sedans and coupes with a similar cabin is 15.7 cu ft.
Does the 550i have more cargo space than the Cadillac CTS?
No: 10 cu ft against 13 cu ft for the 2019 Cadillac CTS, about 3 cu ft less.
Has the 550i's trunk got bigger over the years?
No, it shrank: from 14 cu ft in 2006 to 10 cu ft in 2017.
Which cars have the same cargo room as the 550i?
The closest by volume in the same body family are the BMW 535i (10 cu ft), Infiniti M35h (11 cu ft) and Bentley Mulsanne (11 cu ft), against 10 cu ft for the 550i.
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