Subaru BRZ 2018 Owner's Manual page 497

Engine
Model
Type
Bore and stroke
Displacement
Drive belt tension
Fuel
Fuel type
Octane rating
Fuel tank capacity
(Reference)
*
: If unleaded gasoline with an octane rating of 93 AKI (98 RON) is not avail-
able, unleaded gasoline with an octane rating of 91 AKI (95 RON) may be
used with no detriment to engine durability or driveability.
FA20
Horizontally opposed, liquid cooled 4 cylinder, 4-
stroke gasoline
3.4 3.4 in. (86 86 mm)
121.9 cu.in. (1998 cm
Automatic adjustment
Unleaded gasoline only
93 AKI (98 RON) or higher*
13.2 gal. (50 L, 11.0 Imp. gal.)
6-1. Specifications
3
)
6
495