It seems that Sixt has processed a systemwide restructuring of their ACRISS codes.

For instance:
- FDAR is now GDAR
- FWAR is now GWAR
- FWAX is now GWLR
- XXAX is now XELR
- ...

The new list is below (source). I'm curious what this will mean in terms of upgrades.

Also, at the time of writing, all luxury cars have been removed from the booking engine in Germany.

1st Letter: Category
M = Mini
E = Economy
H = Economy Elite
C = Compact
D = Compact Elite
I = Intermediate
J = Intermediate Elite
S = Standard
R = Standard Elite
F = Fullsize
G = Fullsize Elite
P = Premium
U = Premium Elite
L = Luxury
W = Luxury Elite
X = Extraordinary
O = Oversize

2nd Letter: Body Type
B = 2-door Sedan
W = Wagon
C = 4-door Sedan/Gran Coupé
F = SUV
T = Convertible
P = 2-door-Pick-up
E = 2-door-Coupé
V = Van
Q = 4-door-Pick-up

3rd Letter: Drive Type
M = Manual
A = Automatic
D = 4-Wheel Drive (Automatic)
L* = Luxury Vehicles (Automatic)
S* = Special Cars (Automatic)

4th Letter: Fuel & Air Con
R = ICE vehicle
H = PHEV vehicle
E = BEV vehicles (Short Range)
C = BEV vehicles (Long Range)
V* = 5+2 Seater vehicles (ICE)
P* = additional differentiator for luxury cars
Y* = additional differentiator for luxury cars