vehicles split into 'tiers' based on their performance and balance, usefull for SK races:
Bold - normal street cars (regular size)
Italic - other street vehicles (vans, trucks)
Underline - bikes
---------Tier 0 (Uncomparable the best and dominating)
NRG-500
---------Tier 1A
Cheetah
PCJ-600
Turismo
Bullet
FCR-900
Infernus
Banshee
---------Tier 1B (Can be used with 1A and 1C)
Hotring A/B
---------Tier 1C
Comet
Buffalo
HPV-1000
Sultan
Sanchez
ZR-350
---------Tier 2 (can be used with 1C)
Super GT
Jester
Sandking
Voodoo
BF-400
Elegy
Phoenix
Police LS/LV/SF
Flash
---------Tier 3
Blista Compact
Blade
Uranus
Stallion
FBI Truck
Hotknife
Remington
Club
Feltzer
Tahoma
Admiral
Euros
Police Ranger
Alpha
---------Tier 4A
FBI Rancher
Sabre
Wayfarer
Bloodring
Premier
Slamvan
Savanna
---------Tier 4B (can be used with 4A and 4C)
Huntley
Patriot
Stafford
Majestic
Fortune
Freeway
Mountain Bike
Solair
---------Tier 4C
Cabbie
Clover
Buccaneer
Burrito
Ambulance
Faggio/Pizzaboy
Merit
Sentinel
Hustler
Bandito
Elegant
Tampa
Virgo
Tornado
---------Tier 5
Rancher A/B
Cadrona
Stratum
Emperor
Glendale/Glenshit
Greenwood
Vincent
BF Injection
Intruder
Sunrise
Windsor
Hermes
Mesa
Primo
Sadler/Sadshit
Landstalker
Washington
Willard
Broadway
Stretch
Nebula
---------Tier 6A
Taxi
Bobcat
Previon
Bravura
Picador
Perennial
Regina
Manana
Towtruck
---------Tier 6B (can be used with 6B)
Esperanto
Firetruck
Enforcer
Oceanic
Yosemite
Rhino
Romero
---------Tier 7A
Tanker
Berkley
Newsvan
Roadtrain
Flatbed
DFT-30
Duneride
BMX
Monster A/B
Quad
Rumpo
Benson
Coach
Camper
Cement Truck
SWAT Tank
Bike
Hydra
Utility Van
Walton
Dumper
Barracks
Bus
Linerunner
Moonbeam
Securicar
---------Tier 7B
Boxville/Boxburg
Hotdog
Journey
Baggage
Mule
RC Tiger
Baggage Trailer A/B
Pony
Trashmaster
Yankee
Kart
Mr Whoopee
Caddy
Vortex
---------Tier 8A
Tug
RC Bandit
---------Tier 8B
Combine
Tractor
Packer
---------Tier 9
Dozer
RC Cam
Mower
Sweeper
Forklift