43/100
1999Compact CarsRegular

1999 Kia Sephia

EPA ID: 14997
21
City MPG
24
Combined MPG
24MPG· Average
28
Highway MPG

Fuel Economy Overview

The 1999 Kia Sephia achieves an EPA-estimated 24 MPG in combined city and highway driving, with 21 MPG in the city and 28 MPG on the highway. Powered by a 1.8L 4-cylinder engine paired with a manual 5-spd, this compact cars features Front-Wheel Drive drive.

In terms of environmental impact, the 1999 Sephia produces approximately 370 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this Sephia performs better than the national average in this regard.

The estimated annual fuel cost for this vehicle is $2,500, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $1,750 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassCompact Cars
Fuel TypeRegular
Engine1.8L 4-cyl
AspirationNaturally Aspirated
TransmissionManual 5-spd
Drive TypeFront-Wheel Drive

Green Scorecard

CO2 Emissions370 g/mi
Start-Stop SystemNot Equipped
GHG Score-1/10
Smog RatingN/A
Est. Annual Cost$2,500
5-Year Cost DeltaSave $1,750

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG
23.7
Impact vs EPA
+$31
/ year
💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$554/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$14,000
42.1%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$10,938
32.9%
Estimated Insurance
Based on vehicle class risk profile
$7,900
23.8%
State Registration Fees
Based on National Average DMV base rates
$400
1.2%
Total 5-Year Cost$33,238

Recall Intelligence

Campaign #04V305000·2004-08-16
advisory
Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FRONT SAFETY BELT BUCKLES MAY EMIT A "CLICK" SOUND DURING THE BUCKLING PROCESS THAT IS SIMILAR TO THE SOUND EMITTED WHEN A BUCKLE IS BEING LATCHED, WHEN IT IS NOT.

Consequence & Remedy

Consequence: THE LATCH CAN THEN PULL OUT OF THE BUCKLE WHEN TENSION IS APPLIED.

Remedy: DEALERS WILL REPLACE BOTH FRONT SEAT BELT BUCKLES. THE RECALL BEGAN AUGUST 16, 2004. OWNERS SHOULD CONTACT KIA AT 1-800-333-4542.

Campaign #00V175000·2000-11-13
advisory
Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

VEHICLE DESCRIPTION: PASSENGER VEHICLES. MANUFACTURING CHANGES WERE MADE TO THE ORVR SPRING FORCE AND FLOAT WIRE LENGTH REDUCING THE VALVE ANGLE. CERTAIN VALVES CAUSED FUEL SHUT OFF BEFORE THE TANK REACHED 95% OF NOMINAL CAPACITY.

Consequence & Remedy

Consequence: THIS WOULD CAUSE CUSTOMERS TO ADD MORE FUEL TO THE TANK CAUSING FUEL SPILLBACK OR SPITBACK FROM THE FUEL FILLER NECK.

Remedy: DEALERS WILL REPLACE THE ORVR VALVE. OWNER NOTIFICATION BEGAN NOVEMBER 13, 2000. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KIA AT 1-800-333-4542.

Campaign #99V317000·1999-12-23
critical
Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

VEHICLE DESCRIPTION: PASSENGER VEHICLES. ELECTRICAL CURRENT TO THE FUEL PUMP PASSES THROUGH THE C304 AND C305 CONNECTORS. IF EXPOSED TO MOISTURE, THESE CONNECTORS COULD CORRODE. OVER TIME, THE FUEL PUMP WILL NOT RECEIVE ENOUGH CURRENT TO OPERATE.

Consequence & Remedy

Consequence: THIS CONDITION COULD CAUSE THE ENGINE TO STALL, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE EXISTING CONNECTORS AND REPOSITION THOSE CONNECTORS TO AN AREA WHERE THE PLACEMENT IS DESIGNED TO PREVENT CONTACT WITH MOISTURE.

Campaign #99V318000·1999-12-23
critical
Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE ELECTRICAL CIRCUIT FOR THE FUEL PUMP IS GROUNDED AT JUNCTION CONNECTOR G300. IF THE PIN TENSION IS POOR, OR THE BOLT SECURING THE CONNECTOR TO THE VEHICLE FLOOR IS NOT TIGHTENED SUFFICIENTLY, A POOR CONNECTION IS MADE. AS THE FUEL PUMP OPERATES, THE POOR CONNECTION CAN CREATE HEAT WHICH IN TURN INCREASES RESISTANCE. EVENTUALLY THE FUEL PUMP WILL NOT RECEIVE ENOUGH CURRENT TO OPERATE.

Consequence & Remedy

Consequence: THIS CONDITION COULD CAUSE THE ENGINE TO STALL, INCREASING THE RISK OF A CRASH.

Remedy: THIS CORRECTIVE ACTION IS BEING PERFORMED IN CONJUNCTION WITH RECALL NO. 99V317.

Campaign #99V271000·1999-11-19
critical
Component: VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE BALL SOCKET ON THE WINDSHIELD WIPER LINK MAY BE OUT OF TOLERANCE RESULTING IN THE LINK DISENGAGING FROM THE WIPER MOTOR DRIVE UNDER LOAD, SUCH AS PUSHING AGAINST ICE, SNOW OR OTHER RESISTANCE. ALSO THE WIPER ARM RETAINING NUT COULD BE INADEQUATELY TIGHTENED ALLOWING THE WIPER ARM TO SLIP AND/OR STOP FUNCTIONING.

Consequence & Remedy

Consequence: THIS CONDITION COULD CAUSE IMPAIRMENT OF VISIBILITY IN INCLEMENT WEATHER INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE WINDSHIELD WIPER LINK AND ALSO PROPERLY TIGHTEN THE WIPER ARM RETAINING NUTS.

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Looking for comprehensive historical data?

NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Kia Sephia configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$2,500
vs. Avg Vehicle (5 yrs)Save $1,750

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City21 MPG
Highway28 MPG
Combined24 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

74.1 metric tons CO₂
Equivalent To:
🌳 92 tree seedlings grown for 10 yrs
✈️ 6.2 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.