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2006 Audi S4

2006 Audi S4

Sedan
AWD/4WD
Premium Gasoline
Horsepower
MPG Combined
16 mpg
MSRP
Torque
Reliability Score
99/ 100Excellent
Based on 37 NHTSA complaints

Should You Buy a 2006 Audi S4?

The 2006 Audi S4 Convertible is a luxury sports car that combines performance with elegance. Powered by a robust 4.2L V8 engine, it delivers an impressive 340 horsepower and 302 lb-ft of torque, making it a thrilling choice for driving enthusiasts. With its all-wheel-drive system and 6-speed shiftable automatic transmission, the S4 offers a dynamic driving experience, whether you're navigating city streets or cruising on the highway. However, potential buyers should be aware of its relatively low fuel efficiency, averaging just 16 MPG combined, and the requirement for premium unleaded fuel, which can add to ownership costs.

In terms of reliability, the S4 boasts an impressive score of 99.4/100, indicating a solid build quality. While there are 37 recorded complaints with the NHTSA, none relate to crashes, fires, or injuries, suggesting that safety is not a major concern. The most common issues reported involve exterior lighting and airbag systems, particularly at mileage intervals of 20,000-60,000 miles, which should be monitored during ownership.

Ideal For

This vehicle is best suited for driving enthusiasts who appreciate luxury and performance in a convertible format, particularly those who enjoy spirited drives on weekends or sunny days.

Strengths

  • +Powerful 4.2L V8 engine with 340 hp
  • +All-wheel drive for enhanced traction and stability
  • +High reliability score of 99.4/100
  • +Luxurious interior with comfortable seating for four
  • +Convertible design for an open-air driving experience

Weaknesses

  • -Low fuel efficiency at 16 MPG combined
  • -Premium unleaded fuel required, increasing operating costs
  • -Common complaints about exterior lighting and airbag systems
  • -Limited trunk space due to convertible design
  • -Higher maintenance costs typical of luxury vehicles

Known Issues (NHTSA Data)

The 2006 Audi S4 Convertible has a few known issues primarily related to exterior lighting and airbag systems, with the majority of complaints occurring at specific mileage intervals. However, there are no significant NHTSA complaints on record regarding safety incidents, making it a reliable choice overall.

Complaint Patterns by Mileage
EXTERIOR LIGHTING
20000-40000 mi
6 reports
EXTERIOR LIGHTING
40000-60000 mi
5 reports
Top Complaint Areas
EXTERIOR LIGHTING59% of complaints
AIR BAGS19% of complaints
ELECTRICAL SYSTEM11% of complaints
POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING3% of complaints
STEERING:HYDRAULIC POWER ASSIST SYSTEM3% of complaints

Performance

Horsepower
Torque
Engine
4.2 L
Cylinders
V8
Transmission
Manual 6-spd
Drive Type
AWD/4WD

Efficiency

MPG Combined
16
Fuel Type
Premium Gasoline

Dimensions

Length
179.9 in
Width
70.5 in
Height
54.7 in
Wheelbase
104.3 in
Curb Weight
4,211 lbs
Ground Clearance

Capacity

Doors
4
Seating
Cargo
Max Cargo
Max Towing
Max Payload

ddpc Estimated Value

$11,446
$9,729 – $13,163
Depreciation Over Time
New
5yr
10yr
15yr
ddpc Estimate based on original MSRP, standard depreciation curves, vehicle class, and NHTSA reliability data. Not a substitute for professional appraisal. Actual value depends on condition, mileage, location, and market conditions.

Estimated Cost of Ownership

Estimated Annual Cost
$6,456
Per Mile
$0.54
5-Year Total
$76,674
Fuel
$2,625/yr
Maintenance
$600/yr
Insurance
$3,231/yr
Depreciation
$8,879/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

Available Trims (6)

S4 Cabriolet
AWD/4WD
S4 Cabriolet
AWD/4WD
S4
AWD/4WD
S4
AWD/4WD
S4 Avant
AWD/4WD
S4 Avant
AWD/4WD

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