smart fortwo smart fortwo 2018 Audi A4 / S4 Audi A4 / S4 2018

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smart fortwo vs. Audi A4 / S4 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.

smart fortwo vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $20,720

smart fortwo Electric Drive prime   
Difference: $17,020

Lowest Total Invoice: $18,798

smart fortwo Electric Drive prime   
Difference: $16,370

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820182018
ModelfortwoA4 / S4A4 / S4A4 / S4
TrimElectric Drive primeA4 2.0T ultraA4 2.0TS4 3.0T
Body2dr Hatch4dr Sedan4dr Sedan4dr Sedan
Base Price $26,640 $36,000 $40,500 $51,400
Base Invoice $24,775 $33,480 $37,666 $47,802
Metallic paint (extra cost) 350 575 575 575
Forward collision warning 250      
Center armrest(s), front row 100      
All-weather floor mats 130 190 190 190
Metallic paint (extra cost) 326 536 536 536
Forward collision warning 233      
Center armrest(s), front row 93      
All-weather floor mats 121 177 177 177
Options (change) 830 765 765 765
Options (change) 773 713 713 713
Destination 750 975 975 975
Gas Tax -7,500 0 0 0
Total Price $20,720 $37,740 $42,240 $53,140
Total Invoice $18,798 $35,168 $39,354 $49,490

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

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TrueDelta Value Comparison: smart fortwo vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: smart fortwo Electric Drive prime
TrueDelta Adjusted Price Difference: $11,865
TrueDelta Adjusted Invoice Difference: $11,566
Model Year2018201820182018
ModelfortwoA4 / S4A4 / S4A4 / S4
TrimElectric Drive primeA4 2.0T ultraA4 2.0TS4 3.0T
Body2dr Hatch4dr Sedan4dr Sedan4dr Sedan
Engine80hp I0 E190hp I4252hp I4354hp V6
TransmissionA1S7S7T8
DrivetrainRWDFWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 2180, 10180, 10755, 19
Tire (rear if not all the same)165/65-15225/50-17225/50-17245/40-18
Total Price$20,720$37,740$42,240$53,140
Adjustments for Features0-5,155-6,855-11,080
Feature-Adjusted Total Price$20,720$32,585$35,385$42,060
Cost Above Minimum$0$0$2,800$9,475
Total Invoice$18,798$35,168$39,354$49,490
Adjustments for Features0-4,804-6,387-10,319
Feature-Adjusted Total Invoice$18,798$30,364$32,967$39,171
Cost Above Minimum$0$0$2,603$8,807

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Features Comparison: smart fortwo vs. Audi A4 / S4

Model Year2018201820182018
ModelfortwoA4 / S4A4 / S4A4 / S4
TrimElectric Drive primeA4 2.0T ultraA4 2.0TS4 3.0T
Body2dr Hatch4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
1-speed automatic$800   
7-speed automated manual $1200$1200 
8-speed manually-shiftable automatic   $1300
RWD$0   
FWD $0  
AWD  $1700$1700
Accessories 
Power rear side windows $200$200$200
Proximity key   $250
Tilt/telescoping steering wheel, manual $250$250$250
Universal garage door opener $100$100$100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150$150$150
Automatic braking, high-speed or partial $200$200$200
Automatic braking, low-speed $200$200$200
Blind spot warning system   $200
Collision preparation system, rear   $100
Cross-traffic warning, rear   $100
Driver drowsiness monitor $150$150$150
Obstacle detection, front   $150
Obstacle detection, rear   $250
Pedestrian detection $50$50$50
Radar- or camera-based collision preparation system $0$0$0
Rollover sensor $50$50$50
Secondary collision brake assist $25$25$25
Temporary spare tire $150$150$150
Torque vectoring, brake-based $100$100$100
Vehicle exit assist   $25
Cargo Management 
Air-conditioned storage compartment $50$50$50
Cargo cover$75   
Liftglass or two-piece tailgate$150   
Climate Control 
Automatic air recirculation $100$100$100
Dual-zone climate control $125$125$125
Heated windshield washer nozzles $15$15$15
Rear air vents with automatic controls $250$250$250
Rear wiper$175   
Engine / Motor 
18 kWh battery pack$0   
7.2 kW onboard charger$500   
Automatic start / stop $150$150$150
Regenerative braking $0$0$0
Exterior 
Body kit $0$0$0
Bright-finished exhaust tip(s) $25$25$25
Glass roof panel(s)$300   
Rear spoiler   $200
Sunroof $900$900$900
Infotainment 
Android Auto support $100$100$100
Apple CarPlay support $100$100$100
CD player$125   
CD player, remote $100$100$100
HD radio   $50
Satellite radio   $200
SD Card slot $25$25$25
Surround sound   $250
Telematics service, such as OnStar   $200
Voice control for audio system $25$25$25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror   $75
Auto-dimming passenger-side mirror   $75
Auto-dimming rearview mirror $150$150$150
Boost gauge   $75
Compass $0$0$0
Fog light, rear $100$100$100
Illuminated visor mirror, driver $50$50$50
Illuminated visor mirror, passenger $50$50$50
LED headlights   $1000
Power-folding mirrors   $50
Steering-linked fog lights$50   
Tachometer $75$75$75
Visor mirror, passenger$10   
Xenon HID headlights $500$500 
Seats and Interior Trim 
Aluminum trim $100$100$100
Center armrest(s), second row $50$50$50
Door sill trim plates $100$100 
Floor mats $75$75$75
Folding passenger seat$150   
Folding second row seats $300$300$300
Illuminated door sill trim plates   $200
Manual height adjuster, driver seat$50   
Manual thigh support length adjuster, driver seat   $50
Manual thigh support length adjuster, passenger seat   $50
Massage, driver seat   $100
Massage, passenger seat   $100
Memory system, driver seat   $200
Metal pedals   $75
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat   $150
Power fore-aft adjuster, driver seat $100$100$100
Power fore-aft adjuster, passenger seat $100$100$100
Power height adjuster, driver seat $100$100$100
Power height adjuster, passenger seat $100$100$100
Power recliner, driver seat $100$100$100
Power recliner, passenger seat $100$100$100
Power seatback bolsters, driver seat   $100
Power seatback bolsters, passenger seat   $100
Power tilt adjuster, driver seat $100$100$100
Power tilt adjuster, passenger seat $100$100$100
Synthetic suede door panel trim   $250
Synthetic suede inserts in leather seating surfaces   $0
Suspension, Wheels, and Tires 
Crosswind stabilization$50   
Electronic systems calibration selector $200$200$200
Sport suspension (upgrade)   $0
Transmission 
Launch control   $100
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$2,435$7,590$9,290$13,515
Value of Feature Adjustments$0$5,155$6,855$11,080
Value of Feature Adjustments0-4,804-6,387-10,319

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Specifications Comparison: smart fortwo vs. Audi A4 / S4

Model Year20182018
ModelfortwoA4 / S4
Body2dr Hatch4dr Sedan
Wheelbase73.7 in111.0 in
Length106.1 in186.1 in
Width65.5 in72.5 in
Height61.2 in56.2 in
Curb Weight2,364 lb.3,451 lb.
Fuel Capacity0.0 gal.16.9 gal.
Row 1 Headroom0.0 in38.9 in
Row 1 Shoulder Room0.0 in55.9 in
Row 1 Legroom0.0 in41.3 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in54.5 in
Row 2 Legroom0.0 in35.7 in
Cargo Volume7.8 ft313.0 ft3

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