AWD vs 4WD: What They Actually Cost
The drivetrain upgrade costs more than the sticker price difference. Here is the full picture.
AWD Cost Breakdown
Purchase price premium$1,500 - $3,000
vs equivalent 2WD/FWD model
Fuel economy penalty-1 MPG - -3 MPG
$200-500/year at average driving
Rear differential fluid$80 - $150
every 30,000-60,000 miles
Rear differential rebuild$500 - $1,500
if neglected, every 80-150k miles
Extra tire wearMinor - Moderate
all 4 tires wear together
5-year total premium over FWD
$4,000 - $7,000
4WD Cost Breakdown
Purchase price premium$2,000 - $4,000
vs 2WD version of same truck/SUV
Fuel economy penalty-1 MPG - -2 MPG
in 2WD mode; more in 4H/4L
Transfer case fluid$100 - $250
every 30,000-60,000 miles
Front differential fluid$80 - $150
every 30,000-60,000 miles
Transfer case rebuild$800 - $2,500
if neglected, every 80-150k miles
5-year total premium over 2WD
$4,500 - $8,000
The tire factor
Winter tires on a FWD car outperform all-season tires on AWD or 4WD in snow and ice. A set of winter tires costs $400-800 and lasts 4-6 seasons. If you are buying AWD primarily for winter traction, winter tires are a much cheaper solution - and a better one.