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Lexus & Caravan


The Lexus GS 450h and the Caravan as an example with a laden weight of 1630 kg is a good match.

Attention: performances are not possible to calculate!

Weight

weight ratio
towball limit
stability

Flat roads

speed
acceleration
6th gear

Mountains

speed
hill starts
driving

78%

1630 kg 2090 kg
90 kg


Score 7.2


35%

The stability score is calculated with a noseweight of 90 kg. That is 5 kg more than the towball limit of the car!

Good

  • Speed on motorways
  • Hill starts
  • Usability highest gear
  • Higher revs uphill not necessary

Bad

  • Towball limit is a bit too low (5 kg)


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Number of useful calculations

Verdict

The Lexus GS 450h and the Caravan as an example of a laden weight of 1630 kg is an excellent combination for all journeys on all kinds of roads.

Weight

The chance of snaking is relatively small at normal speed, if the caravan is well loaded.

Flat roads

The performances of the engine of this outfit are in general very good. Under all conditions on motorways it is possible to drive with 60 mph in the 6th gear. In that case the engine runs approximately 1700 rpm. Maybe the engine is not running smoothly at low revs so it is better to shiftdown to the 5th gear, the engine runs in that case 2100 rpm (witch is maybe more noisily than usually accustomed). In a headwind or for example on a crossover there is no need to downshift immediately.

Mountains

On most motorways inclines (1:20) driving is easily possible in the 5th gear with 50 mph and even full throttle with 57 mph but maybe the engine is running better by somewhat more revs in the 4th gear). In the 3th gear the top speed is 89 mph (5855 rpm). Hill starts are possible on steep slopes, theoretical up to 38%, if the wheels have sufficient traction. Because the car does not have enough power at low revs, we recommend a gradient of more than 37% not to drive.

Attention: This car can easily drive much faster with the caravan than is safe. So always keep an eye on your speed!


Results

The main details in a list. Ideal for comparing different combinations with one another, for example your present with a new one.

Weight
Towing limit
2000 kg
Weight ratio
78%
(laden Caravan / laden Car)
(1630 kg / 2090 kg)
Noseweight
Towball limit
85 kg
Advise
90 kg
Stability
Score at legislative - optimal noseweight
6.8 - 7.2
Infuence pay load
24%
Flat roads
Top speed
112 mph (4th gear)
At headwind
103 mph
Speed in practice
92 mph (4th gear)
Acceleration
0 - 60 mph
12.9 sec. - (max. 10.3 sec.)
30 - 60 mph
8.3 sec. - (max. 6.3 sec.)
50 - 60 mph
3th gear: 3.5 sec. (max. 2.3 sec.)
Power at 60 mph
Highest (6th) gear
often useful
Gears in practice
6th gear
5th gear
Revs at 60 mph
1689
2125
Percentage between accelerator
60% - 68%
48% - 54%
Power needed at 60 mph 1714 N
over: 1279 N
over: 2006 N
Motorway inclines 1:20
Speed (maximum)
83 mph - (89 mph)
In the
4th gear - (3th gear)
Revs
4064 - (5855)
Acceleration 30 - 50 mph
6.8 sec. - (max. 5.7 sec.)
Normaly at 50 mph in the
5th gear
4th gear
By revs
1771
2426
Percentage accelerator
92%
68%
By full throttle
Hill starts
Maximum incline
31.4% - 41.8%
Minimum speed (whereby power)
6 mph - (7 mph)
Mountain roads
Maximum slope driving
31.2%
Maximum speed on 1:8
61 mph in the 2th gear

 

Download a fact sheet in PDF


Details combination

You may customize the data to your own situation.

Car
Lexus GS 450h
Year
April 2008 - 2012
Power
kW (345 bhp) at rpm
Torque
Nm at - rpm
Kerbweight
kg user payload kg
Tyres
/ R
Gearbox
automatic with 6 gears and torque converter
Towing limit
kg (towball limit kg)
Caravan
Caravan as an example
Empty weight
kg Payload kg
MTPLM
kg
Height:
m. (8'5")
Overall width:
m. (7'7")
Overall body lenght:
m. (16'9")
Shipping length:
m. (20'10")
Actual gross train weight
3720 kg
Stated vehicle gross train weight
kg

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Reviews

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