What’s it up against?
Equipped with a V8 engine, the GS’ biggest traditional rivals come from Germany – namely the BMW 550i and Mercedes-Benz E550. But can-do home-market competitor Infiniti’s new M56 presents serious competition, as does the shapely Jaguar XF.
See also:
Fuel information
Your vehicle must use only unleaded gasoline.
Premium unleaded gasoline with an octane rating of 91 (Research Octane
Number 96) or higher required for optimum engine performance. If 91
octane canno ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include
OBD (On Board Diagnostics) checks. The OBD system monitors the operation
of the emission control system.
If the malfunction indic ...
Tires
Replace or rotate tires in accordance with maintenance schedules and
treadwear.
Checking tires
1. New tread.
2. Treadwear indicator.
3. Worn tread.
The location of treadwear indicators
is sho ...