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Compare any two cars and get our Virtual Adviser™ opinion

Car #1
Make
Model
Variant
Engine
Car #2
Make
Model
Variant
Engine

compare selected cars
2005. - 2011.
S - Sports car
coupe, 2 door
4 x 4
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2006. - 2011.
S - Sports car
coupe, 2 door
rear

Marketing

Dimensons & Outlines

4427 mm
1808 mm
1310 mm
135 liters
135 liters
64 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4791 mm
1892 mm
1322 mm
330 liters
330 liters
71 liters
2005 Porsche 911
2006 Jaguar XK

Engine

Petrol
6 - Boxer, 4 valves per cylinder
Nat. Asp.
3824 cc
355 hp
400 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Jaguar / Ford
3.5 AJ-V8
Petrol
8 - V config, 4 valves per cylinder
Nat. Asp.
3555 cc
262 hp
345 Nm

Performance (manual gearbox)

 
kg
s
km/h
l/100km
l/100km
l/100km
g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
 
kg
s
km/h
l/100km
l/100km
l/100km
g/km

Performance (automatic gearbox)

automatic - 5 gears
1515 kg
4.7 s
280 km/h
18.0 l/100km
8.6 l/100km
11.9 l/100km
g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
automatic - 6 gears
1595 kg
7.6 s
243 km/h
17.2 l/100km
8.1 l/100km
11.3 l/100km
269 g/km

Expenses

1 EUR
Price from
14000 EUR

Virtual Adviser's™ opinion

Overview

Two significantly similar cars, no doubt about that. Still, each one has something different to offer. Having both cars powered by petrol engines and utilizing the 2-door coupe body style within the same 'Sports car' segment, the only major difference here really is their wheel drive configuration (4 x 4 for the Porsche and rear in the case of the Jaguar). The first one has a Porsche-engineered powertrain under the hood, a 6-cylinder, 24-valves 355hp unit, while the other one gets its power and torque from a 8-cylinder, 32-valves 262hp engine designed by Jaguar.

Safety

Unfortunatelly, neither of the two vehicles was submitted to the European New Car Assessment Programme (Euro NCAP) testing. This makes it virtually impossible for me to pick one over the other and I'm generally against buying such cars as the safety should really always come first. Still, apart from the official crash test results there are other things we need to be aware of. Both vehicles belong to the sports car segment, which is generally classifying them somewhere in the middle safety-wise, but that fact doesn't break the tie between the two cars. On the other hand, if we'd like to consider vehicle mass in this context too, which we definitely should, the British car offers a marginal difference of 5% more metal.

Reliability

Reliability is not the best thing to consider on the make level, but it is worth mentioning that Jaguar does have a slight advantage, when all the models are taken into account. These are the official statistics, while our visitors describe reliability of Porsche with an average rating of 3.7, and models under the Jaguar badge with 4.1 out of 5. Unfortunatelly, I don't have enough insight that would allow me to comment in more details on the specific models level. That apart, owners of different cars powered by the same engine as the German car rank it on average as 3.0 out of 5, exactly the same as the other one.

Performance & Fuel economy

Porsche is undoubtly more agile, reaching 100km/h in 2.9 seconds less than its competitor. In addition to that it accelerates all the way to 280 kilometers per hour, 37km/h more than the other car. When it comes to fuel economy things look pretty much the same for both cars, averaging around 11.6 liters of fuel per 100 kilometers (24 mpg), in combined cycle.


Verdict

Jaguar appears just a bit more reliable, although the difference is truly marginal. The most important thing when deciding between any two vehicles should always be safety, both passive and active. In my opinion, everything taken into account, the British car offers slightly better overall protection and takes the lead. From there things take a different direction, with Porsche being considerably quicker, thus putting more smile on driver's face. It does come at a cost though, and that's the fuel consumption... It's really tough to make a final decision here, but if I'd need to, I'd say Jaguar. Anyway, that's the most objective conclusion I could've came up with and it's based solely on the information found on this website. Aspects such as design, practicality, brand value and driving experience are there for you to measure them out. I suggest you spend two more minutes in order to find out which car, based on your needs and budget, would be picked by the virtual adviser, among more than 12.000 different ones in our database.

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