Cadillac STS vs. Cadillac XLR

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2011 Cadillac STS
$47,280
4dr Sdn V6 AWD w/1SA 4dr Sdn V6 RWD w/1SA 4dr Sdn V6 RWD w/1SB 4dr Sdn V6 AWD w/1SB 4dr Sdn V6 RWD w/1SC
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2009 Cadillac XLR
$86,215
2dr Conv Platinum 2dr Conv
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Highlights
$47,280
$86,215
Gas V6
Gas V8
18 City / 27 Hwy
15 City / 24 Hwy
302 hp
320 hp
Rear Wheel Drive
Rear Wheel Drive
5
2
4 yr / 50,000 mi
4 yr / 50,000 mi

Engine
3.6L/220
4.6L/279
272 @ 5200
310 @ 4400
302 @ 6300
320 @ 6400
Gas V6
Gas V8
  • 6-Speed A/T
  • A/T
  • Transmission w/Dual Shift Mode
  • 6-Speed A/T
  • A/T
  • Transmission w/Dual Shift Mode
18 City / 27 Hwy
15 City / 24 Hwy
10.9 qts
N/A

Tires & Wheels
17 x 7.5 in
18 x 8 in
Not Available
Not Available
P235/50VR17
P235/50WR18
Aluminum
Aluminum
Aluminum
Aluminum
Not Available in
Not Available in
P235/50VR17
P235/50WR18
17 x 7.5 in
18 x 8 in
Not Available
Not Available

Suspension
Independent
Independent
Independent
Independent
Not Available
SLA double wishbone
Not Available
SLA double wishbone

Steering
37 ft
39 ft
18
17
3
3
Pwr rack & pinion
Pwr Rack & Pinion
N/A
N/A

Measurements
103 ft³
N/A
14 ft³
11.6 max 4.4 min ft³
5
2
56 in
N/A
73 in
72 in
43 in
43 in
38 in
N/A
N/A
N/A
116 in
106 in
197 in
178 in
57 in
N/A
62 in
62 in
55 in
53 in
59 in
54 in
38 in
N/A
39 in
38 in
58 in
50 in
N/A
N/A
62 in
62 in

Weight & Capacity
17 gal
18 gal
Not Available lbs
Not Available lbs
3,973 lbs
3,647 lbs
100 lbs
Not Available lbs
1,000 lbs
Not Available lbs
Not Available lbs
Not Available lbs
N/A
N/A

Safety
Standard
Standard
Standard
Standard
Standard

Entertainment
Standard

Electrical
N/A
150
N/A
N/A

Brakes
Not Available
Not Available
N/A
N/A
11.9 x 1.3 in
12.8 x 1.3 in
4-wheel
4-Wheel
Yes
Yes
Yes
Yes
11.7 x 1.0 in
12.0 x 1.0 in
Pwr
Pwr

FAQ

Which is more reliable, the 2011 Cadillac STS or the 2009 Cadillac XLR?

The 2009 Cadillac XLR is more reliable than the 2011 Cadillac STS according to Cars.com consumers, with a reliability rating of 4.6 for the 2009 XLR versus a reliability rating of 4.3 for the 2011 STS.

Which is more fuel efficient, the 2011 Cadillac STS or the 2009 Cadillac XLR?

The 2011 Cadillac STS is more fuel efficient than the 2009 Cadillac XLR with 21 MPG combined versus 18 MPG combined.

Which car is cheaper, the 2011 Cadillac STS or the 2009 Cadillac XLR?

The 2011 Cadillac STS is cheaper than the 2009 Cadillac XLR with a $47,280 starting MSRP versus a $86,215 starting MSRP.

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