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1990 Mitsubishi Sigma Base 4AT

The 1990 Mitsubishi Sigma Base 4AT is a 3.0-liter V6 with a 4-speed automatic and front-wheel drive. It starts at $17,879 MSRP and is rated at 18 mpg combined.

EPA fuel-economy estimates are 16 mpg city and 20 mpg highway (18 mpg combined).

The Sigma measures 185.8 inches long on a 102.4-inch wheelbase and has a curb weight of 3,108 lb.

Spec Value
Price
MSRP$17,879 ($44,458 *)
Engine
Engine Type3.0 L V6
Displacement3 L
Drivetrain
Drive TypeFWD
Transmission
Transmission4-speed automatic
Fuel Economy
City16 MPG
Highway20 MPG
Combined18 MPG
Recommended FuelRegular unleaded gasoline
Dimensions & Weight
Length185.8 in
Width66.7 in
Height51.6 in
Wheelbase102.4 in
Cargo Volume12 ft³
Curb Weight3,108 lbs
Interior
Headroom Front37.5 in
Headroom Rear36.7 in
Legroom Front40.3 in
Legroom Rear36.4 in
Shoulder Room Front53.5 in
Shoulder Room Rear53.2 in
Hip Room Front53.1 in
Hip Room Rear53.1 in
* Amount adjusted for inflation to 2026 dollars
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