Kia Optima Kia Optima 2018 Buick Rainier Buick Rainier 2007

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Kia Optima vs. Buick Rainier Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Kia Optima vs. Buick Rainier Invoice Comparison

Lowest Total Price: $31,795

Kia Optima SX   
Difference: $2,250

Lowest Total Invoice: $29,608

Kia Optima SX   
Difference: $2,088

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182007
ModelOptimaRainier
TrimSXCXL
Body4dr Sedan4dr SUV
Base Price $30,500 $31,550
Base Invoice $28,380 $29,499
Universal garage door opener 350  
Cargo net 50  
Luxury Package   225
Sun, Sound, and Entertainment Pkg. w/sunroof   890
Convenience Package   150
Side curtain airbags   495
Universal garage door opener 291  
Cargo net 42  
Luxury Package   187
Sun, Sound, and Entertainment Pkg. w/sunroof   739
Convenience Package   125
Side curtain airbags   411
Options (change) 400 1,760
Options (change) 333 1,462
Destination 895 735
Total Price $31,795 $34,045
Total Invoice $29,608 $31,696

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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Request free, no-obligation Kia Optima dealer quotes or Buick Rainier dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Kia Optima vs. Buick Rainier

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $4,040
TrueDelta Adjusted Invoice Difference: $3,755
Model Year20182007
ModelOptimaRainier
TrimSXCXL
Body4dr Sedan4dr SUV
Engine245hp I4291hp I6
TransmissionT6A4
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)22/31 MPG16/22 MPG
Audio (watts, speakers)?, 6275, 6
Tire (rear if not all the same)235/45-18245/65-17
Total Price$31,795$34,045
Adjustments for Features-1,7900
Feature-Adjusted Total Price$30,005$34,045
Total Invoice$29,608$31,696
Adjustments for Features-1,6670
Feature-Adjusted Total Invoice$27,941$31,696

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Features Comparison: Kia Optima vs. Buick Rainier

Model Year20182007
ModelOptimaRainier
TrimSXCXL
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
4-speed automatic $800
FWD$0 
RWD $0
Accessories 
Air compressor $35
Proximity key$250 
Proximity trunk or liftgate opener$125 
Tilt steering wheel, manual $150
Tilt/telescoping steering wheel, manual$250 
Brakes, Airbags, and Other Safety 
911 assist$25 
Active or whiplash-reducing head restraints, front seats$0 
Blind spot warning system$200 
Brake assist$50 
Cross-traffic warning, rear$100 
Front side airbags$350 
Knee airbag, driver$75 
Obstacle detection, rear$250 
Rearview camera$200 
Tire-pressure monitor$75 
Vehicle health reports$0 
Cargo Management 
Cargo cover $75
Class III trailer hitch $250
Overhead sunglass holder$25 
Roof rails $250
Trailering equipment (7 wire) $150
Climate Control 
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with manual controls $150
Rear wiper $175
Variable intermittent wipers$75 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Black exterior trim (optional)$0 
Bodyside cladding $350
Bright-finished exhaust tip(s)$25 
Deep-tinted rear windows $275
Painted brake calipers (optional)$0 
Panoramic sunroof$1200 
Rear spoiler$200 
Running boards $350
Sunroof $900
Infotainment 
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD changer, in-dash $325
Rear seat audio controls $25
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation $225
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Approach detection$25 
Auto-dimming rearview mirror$150 
Cornering lights $50
LED headlights$1000 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Center armrest(s), second row$50 
Cooled or ventilated front seats$300 
Leather-wrapped steering wheel$150 
Power 4-way lumbar adjuster, driver seat$150 
Power lumbar adjuster, driver seat $100
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Performance steering system (optional)$0 
Rear air springs, auto-leveling $350
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$7,400$5,610
Value of Feature Adjustments$1,790$0
Value of Feature Adjustments-1,6670

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Specifications Comparison: Kia Optima vs. Buick Rainier

Model Year20182007
ModelOptimaRainier
Body4dr Sedan4dr SUV
Wheelbase110.4 in113.0 in
Length191.1 in193.4 in
Width73.2 in75.4 in
Height57.7 in74.5 in
Curb Weight3,494 lb.4,417 lb.
Fuel Capacity18.5 gal.22.0 gal.
Row 1 Headroom39.8 in40.2 in
Row 1 Shoulder Room58.1 in58.5 in
Row 1 Hip Room56.0 in55.5 in
Row 1 Legroom45.5 in43.1 in
Row 2 Headroom37.8 in39.6 in
Row 2 Shoulder Room56.4 in58.5 in
Row 2 Hip Room56.0 in58.1 in
Row 2 Legroom35.6 in37.1 in
Cargo Volume,
Minimum
15.9 ft343.7 ft3
Cargo Volume,
Maximum
15.980.1 ft3

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Option Package Details
Buick Rainier CXL

Side curtain airbags
FeatureValueRequested?
Side curtain airbags350Yes
Rollover sensor50Yes
Total Requested400100%
Total Not Requested00%
Luxury Package
FeatureValueRequested?
Heated front seats200Yes
Running boards350No
Total Requested20036%
Total Not Requested35064%
Sun, Sound, and Entertainment Pkg. w/sunroof
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200No
Satellite radio200Yes
Bose, 275W, 6 speakers350No
Total Requested110067%
Total Not Requested55033%
Convenience Package
FeatureValueRequested?
Cargo cover75No
Cargo net40Yes
Cargo mat40Yes
Total Requested8052%
Total Not Requested7548%

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