Compare Cadillac XLR vs Alpina Roadster V8 vs Jaguar XK X150 Convertible facelift
Variants
XLR
XLR-V
XK
XKR
XKR-S
Capacity
Cargo Capacity
125 L / 4.4 cu-ft ~ 328 L / 11.6 cu-ft
200 L / 7.1 cu-ft ~ 313 L / 11.1 cu-ft
Coolant Capacity
12.0 L / 12.7 qt
Engine Oil Capacity
7.6 L / 8.0 qt
7.2 L / 7.7 qt
Fuel Capacity
68.0 L / 18.0 gal
73.0 L / 19.3 gal
70.6 L / 18.7 gal
Passengers
2
2
4
Payload
335 kg / 739 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Disc
Ventilated discs
Power Steering
Hydraulic Steering
Hydraulic Steering
Suspension | Front
Double-wishbone
Double-wishbone
Double-wishbone
Suspension | Rear
Multi-link
Double-wishbone
Double-wishbone
Tire Size
255/35 R20
Turning Circle
10.9 m / 35.8 ft
Construction
Body Style
2-door Coupe
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
100 mm / 3.9 in
Size | Height
1279 mm / 50.4 in
1320 mm / 52.0 in
Size | Length
4513 mm / 177.7 in
4400 mm / 173.2 in
Size | Width
1836 mm / 72.3 in
1830 mm / 72.0 in
2028 mm / 79.8 in (mirror unfolded) | 1892 mm / 74.5 in (mirror folded)
Track Width | Front
1550.0 mm / 61.0 in
Track Width | Rear
1570.0 mm / 61.8 in
Weight
1615.0 kg / 3560.5 lbs
Wheel Size
8J X 18
Wheelbase
2685 mm / 105.7 in
2505 mm / 98.6 in
2752 mm / 108.3 in
Performance
Acceleration | 0 - 100 km/h
5.3 sec
Acceleration | 0 - 60 mph
5.0 sec
CO2 Emission
291 g/km
Fuel Economy
9.3 L/100km / 25.3 MPG (combined) | 15.0 L/100km / 15.7 MPG (urban) | 7.5 L/100km / 31.4 MPG (highway)
Top Speed
250.0 km/h / 155.3 mph
260.0 km/h / 161.6 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 5
Engine
AJ133
Engine | Bore
92.5 mm / 3.6 in
Engine | Compression Ratio
10.5:1
Engine | Displacement
4.8 L / 295.2 cu-in / 4837.0 cc
5.0 L / 305.1 cu-in / 5000.0 cc
Engine | Power
381.0 hp / 284.1 kW @ 5800 rpm
Engine | Specific Output
78.8 hp/L / 1.3 hp/cu-in
Engine | Stroke
84.0 mm / 3.3 in
89.0 mm / 3.5 in
93.0 mm / 3.7 in
Engine | Torque
520 Nm / 383.5 lb-ft @ 3800 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
5-speed
6-speed
Transmission | Type
Automatic
Manual
Automatic
Production
Availability
2002 ~ 2006
2011 ~ 2014
Reviews
Neofiliac score
89%
83%
93%
Pros
- Wonderful styling
- Hardtop convertible
- As well built as any modern Cadillac
- Rear-mounted transmission
- Superb styling (but not better than the Z8)
- Good handling (but not better than the Z8)
- Superb supercharged engines
- Decent drivetrain reliability
- Comfortable yet sporty
- Better-looking than the coupe
Cons
- Low cargo capacity
- A downgrade from the standard E52 Z8
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