In 1998, LEGO released 5 Town Vehicles sets, all of these sets have been retired. For that year, the total price of all retail sets cost $51, today those sets are valued around $250, a growth of 393%.
Most valuable 1998 LEGO Town Vehicles set
3442 LEGOLAND California Truck $100.00
Most owned 1998 Town Vehicles set
6327 Turbo Champ
5 sets

3442 LEGOLAND California Truck

Theme / Subtheme Town / Vehicles
Year 1998
Pieces / Minifigs 106 / 1
Availability Retired
3442 LEGOLAND California Truck
Retail $9.99
Value $100.00
Growth  +901.0%
Annual growth 4.0%

6325 Package Pick-Up

Theme / Subtheme Town / Vehicles
Year 1998
Pieces / Minifigs 28 / 1
Availability Retired
6325 LEGO Package Pick-Up
Retail $4.75
Value $29.08
Growth  +512.2%
Annual growth 3.9%

6327 Turbo Champ

Theme / Subtheme Town / Vehicles
Year 1998
Pieces / Minifigs 48 / 2
Availability Retired
6327 LEGO Turbo Champ
Retail $9.99
Value $31.34
Growth  +213.7%
Annual growth 4.2%

6333 Race and Chase

Theme / Subtheme Town / Vehicles
Year 1998
Pieces / Minifigs 50 / 2
Availability Retired
6333 LEGO Race and Chase
Retail $5.97
Value $45.00
Growth  +653.8%
Annual growth 6.6%

6424 Rig Racers

Theme / Subtheme Town / Vehicles
Year 1998
Pieces / Minifigs 101 / 3
Availability Retired
6424 LEGO Rig Racers
Retail $19.99
Value $44.37
Growth  +122.0%
Annual growth 3.3%