For buyers in other parts of the world, this unit can deliver 150 horsepower and much better fuel economy
than petrol unit returns.
The ST is also available with a 183bhp diesel engine that, with 295 lb ft available from 2000 to 2750rpm, is even torquier
than the petrol unit.
In contrast, the torquey 2.2 - litre diesel effortlessly puts in an 8.1 - second time and matches the petrol unit's 130mph top speed (eight seconds dead and 132mph for the Fastback) and in reality, for most drivers, it will be far quicker
than the petrol units for more of the time, as it has a usable mid-range obviating the need for revs.
Not exact matches
Living in a world obsessed with downsizing both the
petrol - engined models have smaller capacities
than suggested by their model names, the 630i utilising the 2 - litre four - cylinder TwinPower turbo
unit that's used across the range while the 640i's 3 - litre also uses a single twin - scroll turbo to develop its 335bhp.
For the # 16,430 SEAT it's a diesel's high thermal efficiency, allowing an official 61.4 «combined» mpg and 123g / km (diesel produces more CO2 per volume
unit burnt
than petrol does), while for the # 20,660 Volkswagen it's the use of forced induction on a downsized engine resulting in official figures of 42.8 mpg and 154g / km.
Other XJ power
units remain as they were, fronted by a 3 - litre V6 turbocharged diesel with 296bhp and just a pound - foot less torque
than the XJR575 (albeit developed from 2000rpm), and a 3 - litre supercharged
petrol V6 putting 335bhp and 332 lb ft to the floor.
These turbocharged engines are as much as 25 per cent more powerful and 15 per cent more efficient
than the
units they replace, and are accompanied by a naturally aspirated 123bhp / 117 lb ft of torque (at 6000 / 4000rpm) 1.6 - litre in the
petrol line - up.
2 - litre models were given less favourable reviews
than the V6 on launch - the four - pot was never a particularly enthralling power
unit - and later in the car's life it ended up being replaced by a 2.2 - litre
petrol.
Mazda also offers a 163bhp version of the 2.0 - litre
petrol engine, which is more appealing at the top end
than the lower - powered
unit.
At idle, the more powerful iteration of the 2.2 - litre
unit emits nothing more
than a muted clatter, while under load the soundtrack is more
petrol than diesel.
We do know that the car maker's straight - line 3.0 - litre six - cylinder
petrol unit will replace the V6, while a plug - in hybrid is also under development which will offer an all - electric range of «more
than 50 km» (31 miles), according to Fetzer.
Under the hood, the Alfa Romeo Giulia QV is packing a six - cylinder turbocharged
petrol unit, with an impressive 503 horsepower, enough to sprint from 0 to 100 km / h in just 3.9 seconds, making it faster
than the BMW M3.
Developed by quattro GmbH, the
petrol direct injection engine with turbocharger delivers 20 bhp more
than the 2.0 TFSI
unit already available.
The latter was also showcased at the motor show and is believed to put out 110PS / 260Nm, whereas the
petrol 1.2 - litre will be a turbocharged
unit and expected to be more powerful
than the diesel motor.
The other
petrol unit at launch is Jaguar Land Rover's supercharged 3.0 - litre V6; it has 375bhp and 450Nm of torque - although again, its CO2 emissions of 214g / km mean it'll be a more expensive Velar to run
than any of the diesels.
The latest S - Class features more
than 6000 new components and three new engines — two of which are new to the model, including a six - cylinder
petrol unit combined with an electric motor and 48 - volt electrical system in a pair of mild hybrid models.
More powerful
petrol engine: On paper, the Freestyle's
petrol engine is more powerful
than the Amaze's: Its frugal 1.2 - litre
petrol engine pumps out 6PS and 10Nm more
than the Amaze's
petrol unit.
The 0.9 - litre
petrol is significantly perkier
than the 1.2 - litre engine, and while you'll pay a small premium for the smaller, more modern
unit, it's worth the extra.
In case you need more features,
than you should pay 740 GBP more for the MX - 5 SE - L, and you will have Bluetooth connectivity, DAB, climate control, daytime running lights, the 7 - inch color touch display, while under the hood, this version will receive the 2.0 - liter SKYACTIV
petrol unit, with 159 horsepower.
Intensive development has lead to the 1.8 - litre
unit delivering 40 percent thermal efficiency, which is higher
than any other traditional
petrol engine.
The engines that will be doing duty in the Jeep Compass in India are 1.4 - litre MultiAir
petrol that makes more
than 160PS and 250Nm, whereas the diesel models will make use of a 2.0 - litre
unit that makes more
than 170PS and 350Nm.
One is a 3.0 - litre
petrol unit developing 335bhp in the 3.0 TFSI and the other a 3.0 - litre diesel with 264bhp, 10bhp more
than its predecessor, in the 3.0 TDI.
With 444bhp and 443 lb ft, the new
unit delivers the same amount of power but a significant 125 lb ft more torque
than the previous RS4 Avant's naturally aspirated 4.2 - litre V8
petrol unit.
And while the P300
petrol engine produces lower torque (400Nm)
than the D240 diesel
unit, it's the range topper for power, generating up to 221kW.
It is expected that the Lamborghini Urus will be powered by a V10
petrol unit churning out more
than 600 BHP of power output.
Toyota is developing a family of turbo -
petrol engines with larger and smaller capacities
than the 2.0 - litre
unit unveiled on the Lexus stand at the Tokyo motor show this week.
The Japanese automaker has retailed 27,362
units of the Ignis till date with more
than 70 per cent buyers opting for the
petrol version.
This innovative turbocharged
unit provides more horsepower and torque per litre
than any other four - cylinder
petrol engine found in this class of car.
Speaking of engine, there's a choice of two rather charming three - cylinder 1.0 - litre turbo -
petrol units that generate more power
than the Polo's previous engines while also sipping a bit less fuel.