Highest Quality Luxury Cars

J.D. Power Associates surveyed 81,500 purchasers and lessees of new 2008 model-year cars and trucks, after 90 days of ownership, between February 2008 and April 2008. Vehicles with less than 100 respondents were not included for ranking.

- In Pictures: Highest-Quality Luxury Cars

J.D. Power does not release problems per 100 vehicles for individual models, but the industry average for all brands is 118 problems per 100 vehicles in 2008 (1.18 reported problems for every 100 cars). Reported problems include quality of design (as in, if the seats adjust as they were designed to) and defects and malfunctions (such as the seats not adjusting because the knob doesn't work).

- In Pictures: Highest-Quality Luxury Cars

Infiniti M-Series
Segment: Midsize Premium Car
Base MSRP: $43,050
EPA estimated mpg: 14 city/23 highway
Nuts and bolts: Dual-stage front air bags; front seat-mounted side air bags; front andrear side curtain air bags; anti-lock brakes (ABS); Vehicle DynamicControl (VDC) with traction control (TCS); tire-pressure-monitoringsystem; rain-sensing wipers; XM radio and Bluetooth.

Read More About the Infiniti M-Series

Mercedes-Benz E-Class
Segment: Midsize Premium Car
Base MSRP: $50,900
EPA estimated mpg: 12 city/32 highway
Nuts and bolts: Front & side air bags; side air bags for second row and curtain for all rows; 10-way power adjustable front seats; tire pressure monitoring system; Electronic Stability Program; dual-zone climate controls; rain-sensing wipers; burl walnut wood interior trim.

Read More About the E-Class

Audi A6
Segment: Midsize Premium Car
Base MSRP: $42,950
EPA estimated mpg: 16 city/25 highway
Nuts and bolts: Front and knee air bags; front seat side-mounted air bag; head-protection air bags; 12-way power front seats with leather upholstery; automatic dual-zone climate control; MMI (Multi-Media Interface) system with high-resolution display; Bluetooth.

Read More About the Audi A6

Lexus ES350
Segment: Midsize Premium Car
Base MSRP: $33,720
EPA estimated mpg: 19 city/27 highway
Nuts and bolts: Dual front and front knee, front-seat side and full length side curtain air bags; electronic park assist; anti-theft protection; optional pre-collision system and backup camera; four-wheel disc brakes with ABS; stability and traction control; Remote Vehicle Start; Bluetooth.

Read More About the Lexus ES350

Lexus LS
Segment: Large Premium Car
Base MSRP: $61,500
EPA estimated mpg: 16 city/24 highway
Nuts and bolts: Multiple air bags; traction and stability control; Pre-Collision System (PCS); Advanced Parking Guidance System.

Read More About the Lexus LS

Read the full story and view the slideshow at Forbes.com:
- Highest-Quality Luxury Cars- In Pictures: Highest-Quality Luxury Cars
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