Entering its fourth year, the Oldsmobile LSS enters the 1999 model year with few changes to the attempted performance sedan. An exterior featuring two new colors, the 1999 Oldsmobile LSS outer equipment highlights includes alloy wheels and anti-lock braking system. Assembling a cabin rich in sports sedan feel, leather upholstered front buckets provides 8-way power adjustment. Providing five-passenger capacity, the interior of the 1999 Oldsmobile LSS features a wide-array of standard equipment including dual-zone air conditioning, remote keyless entry, cruise control and power windows. Standard-equipped with a 3.8 liter V-6 engine generating 205 horsepower, the 1999 Oldsmobile LSS sedan's receives more attention with its optional supercharged powerplant. A 3.8 liter V-6 Series II Supercharged engine, the 1999 LSS moves with a more authoritative 240 horsepower. Mounted to a four-speed automatic transmission, fuel economy of the 1999 Oldsmobile LSS averages at 24 miles per gallon with the standard V-6 engine. With the optional supercharged 3.8 liter V-6 requiring premium gasoline, fuel consumption averages out to over 22 miles per gallon.