550i Gran Turismo

Overview

Body

Large CarsEPA, from EPA, last updated 6/11/2026

Drivetrain

Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026

Transmission

Automatic (S8)EPA, from EPA, last updated 6/11/2026

Powertrain

GasEPA, from EPA, last updated 6/11/2026

Fuel

PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

HP

400

Power to weight

0.089 hp/lb

Axle ratio

2.81

Cyl

8EPA, from EPA, last updated 6/11/2026

Aspiration

TurbochargedEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy

22 mpgEPA, from EPA, last updated 6/11/2026

MPG City

15 mpgEPA, from EPA, last updated 6/11/2026

MPG Comb

18 mpgEPA, from EPA, last updated 6/11/2026

Fuel $/yr

$4,300EPA, from EPA, last updated 6/11/2026

Smog score

5/10

Elec. Range

0 miEPA, from EPA, last updated 6/11/2026

SmartWay certified

No

Dimensions & capacity

Length

193 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Width

73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Height

57 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Wheelbase

117 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Curb Weight

4,519 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Pass. Vol

112 ft³EPA, from EPA, last updated 6/11/2026

Cargo Vol

10 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating

★★★★★

Rollover rating

★★★★★

Stability control (ESC)

Standard

Forward-collision warning

Optional

Lane-departure warning

Optional

Recalls

2

Owner complaints

45

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.